diff options
Diffstat (limited to 'drivers/dma')
82 files changed, 178 insertions, 533 deletions
diff --git a/drivers/dma/acpi-dma.c b/drivers/dma/acpi-dma.c index 4a748c3435d7..30243f5c0710 100644 --- a/drivers/dma/acpi-dma.c +++ b/drivers/dma/acpi-dma.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * ACPI helpers for DMA request / controller * @@ -6,10 +7,6 @@ * Copyright (C) 2013, Intel Corporation * Authors: Andy Shevchenko <andriy.shevchenko@linux.intel.com> * Mika Westerberg <mika.westerberg@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/device.h> diff --git a/drivers/dma/altera-msgdma.c b/drivers/dma/altera-msgdma.c index 55f9c62ee54b..832aefbe7af9 100644 --- a/drivers/dma/altera-msgdma.c +++ b/drivers/dma/altera-msgdma.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * DMA driver for Altera mSGDMA IP core * @@ -5,11 +6,6 @@ * * Based on drivers/dma/xilinx/zynqmp_dma.c, which is: * Copyright (C) 2016 Xilinx, Inc. All rights reserved. - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. */ #include <linux/bitops.h> diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c index 8cfc753ad4b0..464725dcad00 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) 2006 ARM Ltd. * Copyright (c) 2010 ST-Ericsson SA @@ -6,19 +7,6 @@ * Author: Peter Pearse <peter.pearse@arm.com> * Author: Linus Walleij <linus.walleij@linaro.org> * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * The full GNU General Public License is in this distribution in the file - * called COPYING. - * * Documentation: ARM DDI 0196G == PL080 * Documentation: ARM DDI 0218E == PL081 * Documentation: S3C6410 User's Manual == PL080S diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index a0a9cd76c1d4..672c73b4a2d4 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -1,14 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for the Atmel AHB DMA Controller (aka HDMA or DMAC on AT91 systems) * * Copyright (C) 2008 Atmel Corporation * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * * This supports the Atmel AHB DMA Controller found in several Atmel SoCs. * The only Atmel DMA Controller that is not covered by this driver is the one * found on AT91SAM9263. diff --git a/drivers/dma/at_hdmac_regs.h b/drivers/dma/at_hdmac_regs.h index ef3f227ce3e6..fe8a5853ec49 100644 --- a/drivers/dma/at_hdmac_regs.h +++ b/drivers/dma/at_hdmac_regs.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Header file for the Atmel AHB DMA Controller driver * * Copyright (C) 2008 Atmel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef AT_HDMAC_REGS_H #define AT_HDMAC_REGS_H diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index e4ae2ee46d3f..627ef3e5b312 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -1,21 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Driver for the Atmel Extensible DMA Controller (aka XDMAC on AT91 systems) * * Copyright (C) 2014 Atmel Corporation * * Author: Ludovic Desroches <ludovic.desroches@atmel.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #include <asm/barrier.h> diff --git a/drivers/dma/bestcomm/bcom_ata_task.c b/drivers/dma/bestcomm/bcom_ata_task.c index cc6049a4e469..9a1c349e932f 100644 --- a/drivers/dma/bestcomm/bcom_ata_task.c +++ b/drivers/dma/bestcomm/bcom_ata_task.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Bestcomm ATA task microcode * * Copyright (c) 2004 Freescale Semiconductor, Inc. * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * * Created based on bestcom/code_dma/image_rtos1/dma_image.hex */ diff --git a/drivers/dma/bestcomm/bcom_fec_rx_task.c b/drivers/dma/bestcomm/bcom_fec_rx_task.c index a1ad6a02fcef..c610dc76a82e 100644 --- a/drivers/dma/bestcomm/bcom_fec_rx_task.c +++ b/drivers/dma/bestcomm/bcom_fec_rx_task.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Bestcomm FEC RX task microcode * * Copyright (c) 2004 Freescale Semiconductor, Inc. * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * * Automatically created based on BestCommAPI-2.2/code_dma/image_rtos1/dma_image.hex * on Tue Mar 22 11:19:38 2005 GMT */ diff --git a/drivers/dma/bestcomm/bcom_fec_tx_task.c b/drivers/dma/bestcomm/bcom_fec_tx_task.c index b1c495c3a65a..410b42695668 100644 --- a/drivers/dma/bestcomm/bcom_fec_tx_task.c +++ b/drivers/dma/bestcomm/bcom_fec_tx_task.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Bestcomm FEC TX task microcode * * Copyright (c) 2004 Freescale Semiconductor, Inc. * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * * Automatically created based on BestCommAPI-2.2/code_dma/image_rtos1/dma_image.hex * on Tue Mar 22 11:19:29 2005 GMT */ diff --git a/drivers/dma/bestcomm/bcom_gen_bd_rx_task.c b/drivers/dma/bestcomm/bcom_gen_bd_rx_task.c index efee022b0256..8dd38ede26d2 100644 --- a/drivers/dma/bestcomm/bcom_gen_bd_rx_task.c +++ b/drivers/dma/bestcomm/bcom_gen_bd_rx_task.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Bestcomm GenBD RX task microcode * @@ -5,13 +6,8 @@ * Jeff Gibbons <jeff.gibbons@appspec.com> * Copyright (c) 2004 Freescale Semiconductor, Inc. * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * * Based on BestCommAPI-2.2/code_dma/image_rtos1/dma_image.hex * on Tue Mar 4 10:14:12 2006 GMT - * */ #include <asm/types.h> diff --git a/drivers/dma/bestcomm/bcom_gen_bd_tx_task.c b/drivers/dma/bestcomm/bcom_gen_bd_tx_task.c index c605aa42ecbb..844dfe258639 100644 --- a/drivers/dma/bestcomm/bcom_gen_bd_tx_task.c +++ b/drivers/dma/bestcomm/bcom_gen_bd_tx_task.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Bestcomm GenBD TX task microcode * @@ -5,13 +6,8 @@ * Jeff Gibbons <jeff.gibbons@appspec.com> * Copyright (c) 2004 Freescale Semiconductor, Inc. * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * * Based on BestCommAPI-2.2/code_dma/image_rtos1/dma_image.hex * on Tue Mar 4 10:14:12 2006 GMT - * */ #include <asm/types.h> diff --git a/drivers/dma/bestcomm/gen_bd.c b/drivers/dma/bestcomm/gen_bd.c index 1a5b22d88127..906ddba6a6f5 100644 --- a/drivers/dma/bestcomm/gen_bd.c +++ b/drivers/dma/bestcomm/gen_bd.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Driver for MPC52xx processor BestComm General Buffer Descriptor * * Copyright (C) 2007 Sylvain Munaut <tnt@246tNt.com> * Copyright (C) 2006 AppSpec Computer Technologies Corp. * Jeff Gibbons <jeff.gibbons@appspec.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * */ #include <linux/module.h> diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c index b69d66e44052..547786ac342b 100644 --- a/drivers/dma/coh901318.c +++ b/drivers/dma/coh901318.c @@ -1,8 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * driver/dma/coh901318.c * * Copyright (C) 2007-2009 ST-Ericsson - * License terms: GNU General Public License (GPL) version 2 * DMA driver for COH 901 318 * Author: Per Friden <per.friden@stericsson.com> */ diff --git a/drivers/dma/coh901318.h b/drivers/dma/coh901318.h index 95ce1e2123ec..bbf533600558 100644 --- a/drivers/dma/coh901318.h +++ b/drivers/dma/coh901318.h @@ -1,6 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2007-2013 ST-Ericsson - * License terms: GNU General Public License (GPL) version 2 * DMA driver for COH 901 318 * Author: Per Friden <per.friden@stericsson.com> */ diff --git a/drivers/dma/coh901318_lli.c b/drivers/dma/coh901318_lli.c index d612b2e5abc4..6b6c2fd0865a 100644 --- a/drivers/dma/coh901318_lli.c +++ b/drivers/dma/coh901318_lli.c @@ -1,8 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * driver/dma/coh901318_lli.c * * Copyright (C) 2007-2009 ST-Ericsson - * License terms: GNU General Public License (GPL) version 2 * Support functions for handling lli for dma * Author: Per Friden <per.friden@stericsson.com> */ diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c index f32fdf21edbd..8a3f1043917b 100644 --- a/drivers/dma/dma-axi-dmac.c +++ b/drivers/dma/dma-axi-dmac.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Driver for the Analog Devices AXI-DMAC core * * Copyright 2013-2015 Analog Devices Inc. * Author: Lars-Peter Clausen <lars@metafoo.de> - * - * Licensed under the GPL-2. */ #include <linux/clk.h> diff --git a/drivers/dma/dma-jz4740.c b/drivers/dma/dma-jz4740.c index 5253e3c0dc04..39c676c47082 100644 --- a/drivers/dma/dma-jz4740.c +++ b/drivers/dma/dma-jz4740.c @@ -1,12 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2013, Lars-Peter Clausen <lars@metafoo.de> * JZ4740 DMAC support - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #include <linux/dmaengine.h> diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c index 9ce0a386225b..263bee76ef0d 100644 --- a/drivers/dma/dma-jz4780.c +++ b/drivers/dma/dma-jz4780.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Ingenic JZ4780 DMA controller * * Copyright (c) 2015 Imagination Technologies * Author: Alex Smith <alex@alex-smith.me.uk> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/clk.h> @@ -666,10 +662,11 @@ static enum dma_status jz4780_dma_tx_status(struct dma_chan *chan, return status; } -static void jz4780_dma_chan_irq(struct jz4780_dma_dev *jzdma, - struct jz4780_dma_chan *jzchan) +static bool jz4780_dma_chan_irq(struct jz4780_dma_dev *jzdma, + struct jz4780_dma_chan *jzchan) { uint32_t dcs; + bool ack = true; spin_lock(&jzchan->vchan.lock); @@ -692,12 +689,20 @@ static void jz4780_dma_chan_irq(struct jz4780_dma_dev *jzdma, if ((dcs & (JZ_DMA_DCS_AR | JZ_DMA_DCS_HLT)) == 0) { if (jzchan->desc->type == DMA_CYCLIC) { vchan_cyclic_callback(&jzchan->desc->vdesc); - } else { + + jz4780_dma_begin(jzchan); + } else if (dcs & JZ_DMA_DCS_TT) { vchan_cookie_complete(&jzchan->desc->vdesc); jzchan->desc = NULL; - } - jz4780_dma_begin(jzchan); + jz4780_dma_begin(jzchan); + } else { + /* False positive - continue the transfer */ + ack = false; + jz4780_dma_chn_writel(jzdma, jzchan->id, + JZ_DMA_REG_DCS, + JZ_DMA_DCS_CTE); + } } } else { dev_err(&jzchan->vchan.chan.dev->device, @@ -705,21 +710,22 @@ static void jz4780_dma_chan_irq(struct jz4780_dma_dev *jzdma, } spin_unlock(&jzchan->vchan.lock); + + return ack; } static irqreturn_t jz4780_dma_irq_handler(int irq, void *data) { struct jz4780_dma_dev *jzdma = data; + unsigned int nb_channels = jzdma->soc_data->nb_channels; uint32_t pending, dmac; int i; pending = jz4780_dma_ctrl_readl(jzdma, JZ_DMA_REG_DIRQP); - for (i = 0; i < jzdma->soc_data->nb_channels; i++) { - if (!(pending & (1<<i))) - continue; - - jz4780_dma_chan_irq(jzdma, &jzdma->chan[i]); + for_each_set_bit(i, (unsigned long *)&pending, nb_channels) { + if (jz4780_dma_chan_irq(jzdma, &jzdma->chan[i])) + pending &= ~BIT(i); } /* Clear halt and address error status of all channels. */ @@ -728,7 +734,7 @@ static irqreturn_t jz4780_dma_irq_handler(int irq, void *data) jz4780_dma_ctrl_writel(jzdma, JZ_DMA_REG_DMAC, dmac); /* Clear interrupt pending status. */ - jz4780_dma_ctrl_writel(jzdma, JZ_DMA_REG_DIRQP, 0); + jz4780_dma_ctrl_writel(jzdma, JZ_DMA_REG_DIRQP, pending); return IRQ_HANDLED; } diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index b96814a7dceb..d0ad46e916a6 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * DMA Engine test module * * Copyright (C) 2007 Atmel Corporation * Copyright (C) 2013 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c index b2ac1d2c5b86..a1ce307c502f 100644 --- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c +++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c @@ -512,7 +512,8 @@ dma_chan_prep_dma_memcpy(struct dma_chan *dchan, dma_addr_t dst_adr, return vchan_tx_prep(&chan->vc, &first->vd, flags); err_desc_get: - axi_desc_put(first); + if (first) + axi_desc_put(first); return NULL; } diff --git a/drivers/dma/ep93xx_dma.c b/drivers/dma/ep93xx_dma.c index 594a88f4f99c..9c8b4d35cf03 100644 --- a/drivers/dma/ep93xx_dma.c +++ b/drivers/dma/ep93xx_dma.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for the Cirrus Logic EP93xx DMA Controller * @@ -11,11 +12,6 @@ * Copyright (C) 2009 Ryan Mallon <rmallon@gmail.com> * * This driver is based on dw_dmac and amba-pl08x drivers. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/clk.h> diff --git a/drivers/dma/fsl-edma.c b/drivers/dma/fsl-edma.c index d641ef85a634..0ddad3adb761 100644 --- a/drivers/dma/fsl-edma.c +++ b/drivers/dma/fsl-edma.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * drivers/dma/fsl-edma.c * @@ -6,11 +7,6 @@ * Driver for the Freescale eDMA engine with flexible channel multiplexing * capability for DMA request sources. The eDMA block can be found on some * Vybrid and Layerscape SoCs. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/module.h> diff --git a/drivers/dma/fsl-qdma.c b/drivers/dma/fsl-qdma.c index aa1d0ae3d207..60b062c3647b 100644 --- a/drivers/dma/fsl-qdma.c +++ b/drivers/dma/fsl-qdma.c @@ -701,10 +701,8 @@ static irqreturn_t fsl_qdma_error_handler(int irq, void *dev_id) intr = qdma_readl(fsl_qdma, status + FSL_QDMA_DEDR); - if (intr) { + if (intr) dev_err(fsl_qdma->dma_dev.dev, "DMA transaction error!\n"); - return IRQ_NONE; - } qdma_writel(fsl_qdma, FSL_QDMA_DEDR_CLEAR, status + FSL_QDMA_DEDR); return IRQ_HANDLED; diff --git a/drivers/dma/hsu/hsu.c b/drivers/dma/hsu/hsu.c index e06f20272fd7..0c2610066ba9 100644 --- a/drivers/dma/hsu/hsu.c +++ b/drivers/dma/hsu/hsu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Core driver for the High Speed UART DMA * @@ -5,10 +6,6 @@ * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com> * * Partially based on the bits found in drivers/tty/serial/mfd.c. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ /* diff --git a/drivers/dma/hsu/hsu.h b/drivers/dma/hsu/hsu.h index 486b023b3af0..9e5956345748 100644 --- a/drivers/dma/hsu/hsu.h +++ b/drivers/dma/hsu/hsu.h @@ -1,13 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Driver for the High Speed UART DMA * * Copyright (C) 2015 Intel Corporation * * Partially based on the bits found in drivers/tty/serial/mfd.c. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __DMA_HSU_H__ diff --git a/drivers/dma/hsu/pci.c b/drivers/dma/hsu/pci.c index ad45cd344bba..07cc7320a614 100644 --- a/drivers/dma/hsu/pci.c +++ b/drivers/dma/hsu/pci.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * PCI driver for the High Speed UART DMA * @@ -5,10 +6,6 @@ * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com> * * Partially based on the bits found in drivers/tty/serial/mfd.c. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/bitops.h> diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c index 07fd4f25cdd8..f5a84c846394 100644 --- a/drivers/dma/idma64.c +++ b/drivers/dma/idma64.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Core driver for the Intel integrated DMA 64-bit * * Copyright (C) 2015 Intel Corporation * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/bitops.h> diff --git a/drivers/dma/idma64.h b/drivers/dma/idma64.h index baa32e1425de..d013b54356aa 100644 --- a/drivers/dma/idma64.h +++ b/drivers/dma/idma64.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Driver for the Intel integrated DMA 64-bit * * Copyright (C) 2015 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __DMA_IDMA64_H__ diff --git a/drivers/dma/img-mdc-dma.c b/drivers/dma/img-mdc-dma.c index 25cec9c243e1..e4ea107ce78c 100644 --- a/drivers/dma/img-mdc-dma.c +++ b/drivers/dma/img-mdc-dma.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * IMG Multi-threaded DMA Controller (MDC) * * Copyright (C) 2009,2012,2013 Imagination Technologies Ltd. * Copyright (C) 2014 Google, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. */ #include <linux/clk.h> diff --git a/drivers/dma/ioat/dca.c b/drivers/dma/ioat/dca.c index eab2fdda29ec..70fd8454d002 100644 --- a/drivers/dma/ioat/dca.c +++ b/drivers/dma/ioat/dca.c @@ -1,19 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel I/OAT DMA Linux driver * Copyright(c) 2007 - 2009 Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * The full GNU General Public License is included in this distribution in - * the file called "COPYING". - * */ #include <linux/kernel.h> diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c index f373a139e0c3..1a422a8b43cf 100644 --- a/drivers/dma/ioat/dma.c +++ b/drivers/dma/ioat/dma.c @@ -1,19 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel I/OAT DMA Linux driver * Copyright(c) 2004 - 2015 Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * The full GNU General Public License is included in this distribution in - * the file called "COPYING". - * */ /* diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c index d41dc9a9ff68..a6a6dc432db8 100644 --- a/drivers/dma/ioat/init.c +++ b/drivers/dma/ioat/init.c @@ -1,19 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel I/OAT DMA Linux driver * Copyright(c) 2004 - 2015 Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * The full GNU General Public License is included in this distribution in - * the file called "COPYING". - * */ #include <linux/init.h> diff --git a/drivers/dma/ioat/prep.c b/drivers/dma/ioat/prep.c index 243421af888f..033d9f2b3e2a 100644 --- a/drivers/dma/ioat/prep.c +++ b/drivers/dma/ioat/prep.c @@ -1,19 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel I/OAT DMA Linux driver * Copyright(c) 2004 - 2015 Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * The full GNU General Public License is included in this distribution in - * the file called "COPYING". - * */ #include <linux/module.h> #include <linux/pci.h> diff --git a/drivers/dma/ioat/sysfs.c b/drivers/dma/ioat/sysfs.c index 3ac677f29e8f..aa44bcd6a356 100644 --- a/drivers/dma/ioat/sysfs.c +++ b/drivers/dma/ioat/sysfs.c @@ -1,19 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel I/OAT DMA Linux driver * Copyright(c) 2004 - 2015 Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * The full GNU General Public License is included in this distribution in - * the file called "COPYING". - * */ #include <linux/init.h> diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c index a410657f7bcd..c6c0143670d9 100644 --- a/drivers/dma/iop-adma.c +++ b/drivers/dma/iop-adma.c @@ -1,16 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * offload engine driver for the Intel Xscale series of i/o processors * Copyright © 2006, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * */ /* diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c index bbff52be4f0f..0457b1f26540 100644 --- a/drivers/dma/ipu/ipu_idmac.c +++ b/drivers/dma/ipu/ipu_idmac.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2008 * Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de> * * Copyright (C) 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/dma-mapping.h> diff --git a/drivers/dma/ipu/ipu_intern.h b/drivers/dma/ipu/ipu_intern.h index 545cf11a94ab..e7ec1dec3edf 100644 --- a/drivers/dma/ipu/ipu_intern.h +++ b/drivers/dma/ipu/ipu_intern.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2008 * Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de> * * Copyright (C) 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef _IPU_INTERN_H_ diff --git a/drivers/dma/ipu/ipu_irq.c b/drivers/dma/ipu/ipu_irq.c index 284627806b88..0d5c42f7bfa4 100644 --- a/drivers/dma/ipu/ipu_irq.c +++ b/drivers/dma/ipu/ipu_irq.c @@ -1,10 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2008 * Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/init.h> diff --git a/drivers/dma/k3dma.c b/drivers/dma/k3dma.c index 5737d92eaeeb..4b36c8810517 100644 --- a/drivers/dma/k3dma.c +++ b/drivers/dma/k3dma.c @@ -1,10 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2013 - 2015 Linaro Ltd. * Copyright (c) 2013 Hisilicon Limited. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/sched.h> #include <linux/device.h> diff --git a/drivers/dma/lpc18xx-dmamux.c b/drivers/dma/lpc18xx-dmamux.c index 761f32687055..df98cae8792b 100644 --- a/drivers/dma/lpc18xx-dmamux.c +++ b/drivers/dma/lpc18xx-dmamux.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * DMA Router driver for LPC18xx/43xx DMA MUX * @@ -6,11 +7,6 @@ * Based on TI DMA Crossbar driver by: * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com * Author: Peter Ujfalusi <peter.ujfalusi@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/err.h> diff --git a/drivers/dma/mediatek/mtk-cqdma.c b/drivers/dma/mediatek/mtk-cqdma.c index 814853842e29..723b11c190b3 100644 --- a/drivers/dma/mediatek/mtk-cqdma.c +++ b/drivers/dma/mediatek/mtk-cqdma.c @@ -225,7 +225,7 @@ static int mtk_cqdma_hard_reset(struct mtk_cqdma_pchan *pc) mtk_dma_set(pc, MTK_CQDMA_RESET, MTK_CQDMA_HARD_RST_BIT); mtk_dma_clr(pc, MTK_CQDMA_RESET, MTK_CQDMA_HARD_RST_BIT); - return mtk_cqdma_poll_engine_done(pc, false); + return mtk_cqdma_poll_engine_done(pc, true); } static void mtk_cqdma_start(struct mtk_cqdma_pchan *pc, @@ -671,7 +671,7 @@ static void mtk_cqdma_free_chan_resources(struct dma_chan *c) mtk_dma_set(cvc->pc, MTK_CQDMA_FLUSH, MTK_CQDMA_FLUSH_BIT); /* wait for the completion of flush operation */ - if (mtk_cqdma_poll_engine_done(cvc->pc, false) < 0) + if (mtk_cqdma_poll_engine_done(cvc->pc, true) < 0) dev_err(cqdma2dev(to_cqdma_dev(c)), "cqdma flush timeout\n"); /* clear the flush bit and interrupt flag */ diff --git a/drivers/dma/mic_x100_dma.c b/drivers/dma/mic_x100_dma.c index 6a91e28d537d..730a18d0c6d6 100644 --- a/drivers/dma/mic_x100_dma.c +++ b/drivers/dma/mic_x100_dma.c @@ -1,20 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel MIC Platform Software Stack (MPSS) * * Copyright(c) 2014 Intel Corporation. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * The full GNU General Public License is included in this distribution in - * the file called "COPYING". - * * Intel MIC X100 DMA Driver. * * Adapted from IOAT dma driver. diff --git a/drivers/dma/mic_x100_dma.h b/drivers/dma/mic_x100_dma.h index d89982034e68..68ef43a91714 100644 --- a/drivers/dma/mic_x100_dma.h +++ b/drivers/dma/mic_x100_dma.h @@ -1,20 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Intel MIC Platform Software Stack (MPSS) * * Copyright(c) 2014 Intel Corporation. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * The full GNU General Public License is included in this distribution in - * the file called "COPYING". - * * Intel MIC X100 DMA Driver. * * Adapted from IOAT dma driver. diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c index 334bab92d26d..7fe494fc50d4 100644 --- a/drivers/dma/mmp_pdma.c +++ b/drivers/dma/mmp_pdma.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2012 Marvell International Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/err.h> diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c index 65af2e7fcb2c..0ac8e7b34e12 100644 --- a/drivers/dma/mv_xor.c +++ b/drivers/dma/mv_xor.c @@ -1,15 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * offload engine driver for the Marvell XOR engine * Copyright (C) 2007, 2008, Marvell International Ltd. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ #include <linux/init.h> diff --git a/drivers/dma/mv_xor.h b/drivers/dma/mv_xor.h index cf921dd6af73..d86086b05b0e 100644 --- a/drivers/dma/mv_xor.h +++ b/drivers/dma/mv_xor.h @@ -1,14 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2007, 2008, Marvell International Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. */ #ifndef MV_XOR_H diff --git a/drivers/dma/of-dma.c b/drivers/dma/of-dma.c index 91fd395c90c4..1e4d9ef2aea1 100644 --- a/drivers/dma/of-dma.c +++ b/drivers/dma/of-dma.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Device tree helpers for DMA request / controller * * Based on of_gpio.c * * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/device.h> diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c index 538b6e0e17bb..581e7a290d98 100644 --- a/drivers/dma/pch_dma.c +++ b/drivers/dma/pch_dma.c @@ -1,16 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Topcliff PCH DMA controller driver * Copyright (c) 2010 Intel Corporation * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/dmaengine.h> diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 6e6837214210..56f9fabc99c4 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) 2012 Samsung Electronics Co., Ltd. * http://www.samsung.com * * Copyright (C) 2010 Samsung Electronics Co. Ltd. * Jaswinder Singh <jassi.brar@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/debugfs.h> diff --git a/drivers/dma/pxa_dma.c b/drivers/dma/pxa_dma.c index b429642f3e7a..468c234cb3be 100644 --- a/drivers/dma/pxa_dma.c +++ b/drivers/dma/pxa_dma.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2015 Robert Jarzmik <robert.jarzmik@free.fr> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/err.h> diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c index cb860cb53c27..4b43844f6af5 100644 --- a/drivers/dma/qcom/bam_dma.c +++ b/drivers/dma/qcom/bam_dma.c @@ -1,15 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ /* * QCOM BAM DMA engine driver diff --git a/drivers/dma/qcom/hidma.h b/drivers/dma/qcom/hidma.h index 5f9966e82c0b..f337e2789ddc 100644 --- a/drivers/dma/qcom/hidma.h +++ b/drivers/dma/qcom/hidma.h @@ -1,16 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Qualcomm Technologies HIDMA data structures * * Copyright (c) 2014-2016, The Linux Foundation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef QCOM_HIDMA_H diff --git a/drivers/dma/qcom/hidma_dbg.c b/drivers/dma/qcom/hidma_dbg.c index 9523faf7acdc..75b0691a670d 100644 --- a/drivers/dma/qcom/hidma_dbg.c +++ b/drivers/dma/qcom/hidma_dbg.c @@ -1,16 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Qualcomm Technologies HIDMA debug file * * Copyright (c) 2015-2016, The Linux Foundation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/debugfs.h> diff --git a/drivers/dma/qcom/hidma_ll.c b/drivers/dma/qcom/hidma_ll.c index 7c6e2ff212a2..5bf8b145c427 100644 --- a/drivers/dma/qcom/hidma_ll.c +++ b/drivers/dma/qcom/hidma_ll.c @@ -1,16 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Qualcomm Technologies HIDMA DMA engine low level code * * Copyright (c) 2015-2016, The Linux Foundation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/dmaengine.h> diff --git a/drivers/dma/qcom/hidma_mgmt.c b/drivers/dma/qcom/hidma_mgmt.c index 681de12f4c67..3022d66e7a33 100644 --- a/drivers/dma/qcom/hidma_mgmt.c +++ b/drivers/dma/qcom/hidma_mgmt.c @@ -1,16 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Qualcomm Technologies HIDMA DMA engine Management interface * * Copyright (c) 2015-2017, The Linux Foundation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/dmaengine.h> diff --git a/drivers/dma/qcom/hidma_mgmt.h b/drivers/dma/qcom/hidma_mgmt.h index f7daf33769f4..30e8095988bf 100644 --- a/drivers/dma/qcom/hidma_mgmt.h +++ b/drivers/dma/qcom/hidma_mgmt.h @@ -1,16 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Qualcomm Technologies HIDMA Management common header * * Copyright (c) 2015, The Linux Foundation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ struct hidma_mgmt_dev { diff --git a/drivers/dma/qcom/hidma_mgmt_sys.c b/drivers/dma/qcom/hidma_mgmt_sys.c index cbb89eafd844..930eae0a6257 100644 --- a/drivers/dma/qcom/hidma_mgmt_sys.c +++ b/drivers/dma/qcom/hidma_mgmt_sys.c @@ -1,16 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Qualcomm Technologies HIDMA Management SYS interface * * Copyright (c) 2015, The Linux Foundation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/sysfs.h> diff --git a/drivers/dma/s3c24xx-dma.c b/drivers/dma/s3c24xx-dma.c index 64744eb88720..ad30f3d2c7f6 100644 --- a/drivers/dma/s3c24xx-dma.c +++ b/drivers/dma/s3c24xx-dma.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * S3C24XX DMA handling * @@ -11,11 +12,6 @@ * Author: Peter Pearse <peter.pearse@arm.com> * Author: Linus Walleij <linus.walleij@stericsson.com> * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * * The DMA controllers in S3C24XX SoCs have a varying number of DMA signals * that can be routed to any of the 4 to 8 hardware-channels. * diff --git a/drivers/dma/sa11x0-dma.c b/drivers/dma/sa11x0-dma.c index 3fae23768b47..afb68055ed1b 100644 --- a/drivers/dma/sa11x0-dma.c +++ b/drivers/dma/sa11x0-dma.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * SA11x0 DMAengine support * * Copyright (C) 2012 Russell King * Derived in part from arch/arm/mach-sa1100/dma.c, * Copyright (C) 2000, 2001 by Nicolas Pitre - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/sched.h> #include <linux/device.h> diff --git a/drivers/dma/sprd-dma.c b/drivers/dma/sprd-dma.c index 48431e2da987..baac476c8622 100644 --- a/drivers/dma/sprd-dma.c +++ b/drivers/dma/sprd-dma.c @@ -62,6 +62,8 @@ /* SPRD_DMA_GLB_2STAGE_GRP register definition */ #define SPRD_DMA_GLB_2STAGE_EN BIT(24) #define SPRD_DMA_GLB_CHN_INT_MASK GENMASK(23, 20) +#define SPRD_DMA_GLB_DEST_INT BIT(22) +#define SPRD_DMA_GLB_SRC_INT BIT(20) #define SPRD_DMA_GLB_LIST_DONE_TRG BIT(19) #define SPRD_DMA_GLB_TRANS_DONE_TRG BIT(18) #define SPRD_DMA_GLB_BLOCK_DONE_TRG BIT(17) @@ -135,6 +137,7 @@ /* define DMA channel mode & trigger mode mask */ #define SPRD_DMA_CHN_MODE_MASK GENMASK(7, 0) #define SPRD_DMA_TRG_MODE_MASK GENMASK(7, 0) +#define SPRD_DMA_INT_TYPE_MASK GENMASK(7, 0) /* define the DMA transfer step type */ #define SPRD_DMA_NONE_STEP 0 @@ -190,6 +193,7 @@ struct sprd_dma_chn { u32 dev_id; enum sprd_dma_chn_mode chn_mode; enum sprd_dma_trg_mode trg_mode; + enum sprd_dma_int_type int_type; struct sprd_dma_desc *cur_desc; }; @@ -429,6 +433,9 @@ static int sprd_dma_set_2stage_config(struct sprd_dma_chn *schan) val = chn & SPRD_DMA_GLB_SRC_CHN_MASK; val |= BIT(schan->trg_mode - 1) << SPRD_DMA_GLB_TRG_OFFSET; val |= SPRD_DMA_GLB_2STAGE_EN; + if (schan->int_type != SPRD_DMA_NO_INT) + val |= SPRD_DMA_GLB_SRC_INT; + sprd_dma_glb_update(sdev, SPRD_DMA_GLB_2STAGE_GRP1, val, val); break; @@ -436,6 +443,9 @@ static int sprd_dma_set_2stage_config(struct sprd_dma_chn *schan) val = chn & SPRD_DMA_GLB_SRC_CHN_MASK; val |= BIT(schan->trg_mode - 1) << SPRD_DMA_GLB_TRG_OFFSET; val |= SPRD_DMA_GLB_2STAGE_EN; + if (schan->int_type != SPRD_DMA_NO_INT) + val |= SPRD_DMA_GLB_SRC_INT; + sprd_dma_glb_update(sdev, SPRD_DMA_GLB_2STAGE_GRP2, val, val); break; @@ -443,6 +453,9 @@ static int sprd_dma_set_2stage_config(struct sprd_dma_chn *schan) val = (chn << SPRD_DMA_GLB_DEST_CHN_OFFSET) & SPRD_DMA_GLB_DEST_CHN_MASK; val |= SPRD_DMA_GLB_2STAGE_EN; + if (schan->int_type != SPRD_DMA_NO_INT) + val |= SPRD_DMA_GLB_DEST_INT; + sprd_dma_glb_update(sdev, SPRD_DMA_GLB_2STAGE_GRP1, val, val); break; @@ -450,6 +463,9 @@ static int sprd_dma_set_2stage_config(struct sprd_dma_chn *schan) val = (chn << SPRD_DMA_GLB_DEST_CHN_OFFSET) & SPRD_DMA_GLB_DEST_CHN_MASK; val |= SPRD_DMA_GLB_2STAGE_EN; + if (schan->int_type != SPRD_DMA_NO_INT) + val |= SPRD_DMA_GLB_DEST_INT; + sprd_dma_glb_update(sdev, SPRD_DMA_GLB_2STAGE_GRP2, val, val); break; @@ -510,7 +526,9 @@ static void sprd_dma_start(struct sprd_dma_chn *schan) sprd_dma_set_uid(schan); sprd_dma_enable_chn(schan); - if (schan->dev_id == SPRD_DMA_SOFTWARE_UID) + if (schan->dev_id == SPRD_DMA_SOFTWARE_UID && + schan->chn_mode != SPRD_DMA_DST_CHN0 && + schan->chn_mode != SPRD_DMA_DST_CHN1) sprd_dma_soft_request(schan); } @@ -552,12 +570,17 @@ static irqreturn_t dma_irq_handle(int irq, void *dev_id) schan = &sdev->channels[i]; spin_lock(&schan->vc.lock); + + sdesc = schan->cur_desc; + if (!sdesc) { + spin_unlock(&schan->vc.lock); + return IRQ_HANDLED; + } + int_type = sprd_dma_get_int_type(schan); req_type = sprd_dma_get_req_type(schan); sprd_dma_clear_int(schan); - sdesc = schan->cur_desc; - /* cyclic mode schedule callback */ cyclic = schan->linklist.phy_addr ? true : false; if (cyclic == true) { @@ -625,7 +648,7 @@ static enum dma_status sprd_dma_tx_status(struct dma_chan *chan, else pos = 0; } else if (schan->cur_desc && schan->cur_desc->vd.tx.cookie == cookie) { - struct sprd_dma_desc *sdesc = to_sprd_dma_desc(vd); + struct sprd_dma_desc *sdesc = schan->cur_desc; if (sdesc->dir == DMA_DEV_TO_MEM) pos = sprd_dma_get_dst_addr(schan); @@ -771,7 +794,7 @@ static int sprd_dma_fill_desc(struct dma_chan *chan, temp |= slave_cfg->src_maxburst & SPRD_DMA_FRG_LEN_MASK; hw->frg_len = temp; - hw->blk_len = len & SPRD_DMA_BLK_LEN_MASK; + hw->blk_len = slave_cfg->src_maxburst & SPRD_DMA_BLK_LEN_MASK; hw->trsc_len = len & SPRD_DMA_TRSC_LEN_MASK; temp = (dst_step & SPRD_DMA_TRSF_STEP_MASK) << SPRD_DMA_DEST_TRSF_STEP_OFFSET; @@ -904,6 +927,16 @@ sprd_dma_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, schan->linklist.virt_addr = 0; } + /* + * Set channel mode, interrupt mode and trigger mode for 2-stage + * transfer. + */ + schan->chn_mode = + (flags >> SPRD_DMA_CHN_MODE_SHIFT) & SPRD_DMA_CHN_MODE_MASK; + schan->trg_mode = + (flags >> SPRD_DMA_TRG_MODE_SHIFT) & SPRD_DMA_TRG_MODE_MASK; + schan->int_type = flags & SPRD_DMA_INT_TYPE_MASK; + sdesc = kzalloc(sizeof(*sdesc), GFP_NOWAIT); if (!sdesc) return NULL; @@ -937,12 +970,6 @@ sprd_dma_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, } } - /* Set channel mode and trigger mode for 2-stage transfer */ - schan->chn_mode = - (flags >> SPRD_DMA_CHN_MODE_SHIFT) & SPRD_DMA_CHN_MODE_MASK; - schan->trg_mode = - (flags >> SPRD_DMA_TRG_MODE_SHIFT) & SPRD_DMA_TRG_MODE_MASK; - ret = sprd_dma_fill_desc(chan, &sdesc->chn_hw, 0, 0, src, dst, len, dir, flags, slave_cfg); if (ret) { diff --git a/drivers/dma/st_fdma.c b/drivers/dma/st_fdma.c index bc7a1de3f29b..a3ee0f6bb664 100644 --- a/drivers/dma/st_fdma.c +++ b/drivers/dma/st_fdma.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * DMA driver for STMicroelectronics STi FDMA controller * @@ -5,11 +6,6 @@ * * Author: Ludovic Barre <Ludovic.barre@st.com> * Peter Griffin <peter.griffin@linaro.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/init.h> diff --git a/drivers/dma/st_fdma.h b/drivers/dma/st_fdma.h index c58e00d4ab37..fa15b97a3bab 100644 --- a/drivers/dma/st_fdma.h +++ b/drivers/dma/st_fdma.h @@ -1,14 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * DMA driver header for STMicroelectronics STi FDMA controller * * Copyright (C) 2014 STMicroelectronics * * Author: Ludovic Barre <Ludovic.barre@st.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef __DMA_ST_FDMA_H #define __DMA_ST_FDMA_H diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 907ae97a3ef4..89d710899010 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -1,9 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) Ericsson AB 2007-2008 * Copyright (C) ST-Ericsson SA 2008-2010 * Author: Per Forlin <per.forlin@stericsson.com> for ST-Ericsson * Author: Jonas Aaberg <jonas.aberg@stericsson.com> for ST-Ericsson - * License terms: GNU General Public License (GPL) version 2 */ #include <linux/dma-mapping.h> diff --git a/drivers/dma/ste_dma40_ll.c b/drivers/dma/ste_dma40_ll.c index 13b42dd9900c..b5287c661eb7 100644 --- a/drivers/dma/ste_dma40_ll.c +++ b/drivers/dma/ste_dma40_ll.c @@ -1,8 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) ST-Ericsson SA 2007-2010 * Author: Per Forlin <per.forlin@stericsson.com> for ST-Ericsson * Author: Jonas Aaberg <jonas.aberg@stericsson.com> for ST-Ericsson - * License terms: GNU General Public License (GPL) version 2 */ #include <linux/kernel.h> diff --git a/drivers/dma/ste_dma40_ll.h b/drivers/dma/ste_dma40_ll.h index 1b47312bc574..c504e855eb02 100644 --- a/drivers/dma/ste_dma40_ll.h +++ b/drivers/dma/ste_dma40_ll.h @@ -1,8 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) ST-Ericsson SA 2007-2010 * Author: Per Friden <per.friden@stericsson.com> for ST-Ericsson SA * Author: Jonas Aaberg <jonas.aberg@stericsson.com> for ST-Ericsson SA - * License terms: GNU General Public License (GPL) version 2 */ #ifndef STE_DMA40_LL_H #define STE_DMA40_LL_H diff --git a/drivers/dma/stm32-dma.c b/drivers/dma/stm32-dma.c index 88d9c6c4389f..da41bab98f5b 100644 --- a/drivers/dma/stm32-dma.c +++ b/drivers/dma/stm32-dma.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Driver for STM32 DMA controller * @@ -6,8 +7,6 @@ * Copyright (C) M'boumba Cedric Madianga 2015 * Author: M'boumba Cedric Madianga <cedric.madianga@gmail.com> * Pierre-Yves Mordret <pierre-yves.mordret@st.com> - * - * License terms: GNU General Public License (GPL), version 2 */ #include <linux/clk.h> diff --git a/drivers/dma/stm32-dmamux.c b/drivers/dma/stm32-dmamux.c index a67119199c45..715aad7a9192 100644 --- a/drivers/dma/stm32-dmamux.c +++ b/drivers/dma/stm32-dmamux.c @@ -1,24 +1,13 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * * Copyright (C) STMicroelectronics SA 2017 * Author(s): M'boumba Cedric Madianga <cedric.madianga@gmail.com> * Pierre-Yves Mordret <pierre-yves.mordret@st.com> * - * License terms: GPL V2.0. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more - * details. - * * DMA Router driver for STM32 DMA MUX * * Based on TI DMA Crossbar driver - * */ #include <linux/clk.h> diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c index ac0301b69593..d6e919d3936a 100644 --- a/drivers/dma/stm32-mdma.c +++ b/drivers/dma/stm32-mdma.c @@ -1,24 +1,13 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * * Copyright (C) STMicroelectronics SA 2017 * Author(s): M'boumba Cedric Madianga <cedric.madianga@gmail.com> * Pierre-Yves Mordret <pierre-yves.mordret@st.com> * - * License terms: GPL V2.0. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more - * details. - * * Driver for STM32 MDMA controller * * Inspired by stm32-dma.c and dma-jz4780.c - * */ #include <linux/clk.h> diff --git a/drivers/dma/sun4i-dma.c b/drivers/dma/sun4i-dma.c index f4ed3f17607c..1f80568b2613 100644 --- a/drivers/dma/sun4i-dma.c +++ b/drivers/dma/sun4i-dma.c @@ -1,11 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2014 Emilio López * Emilio López <emilio@elopez.com.ar> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/bitmap.h> diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c index 0cd13f17fc11..e8fcc69b1de9 100644 --- a/drivers/dma/sun6i-dma.c +++ b/drivers/dma/sun6i-dma.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2013-2014 Allwinner Tech Co., Ltd * Author: Sugar <shuge@allwinnertech.com> * * Copyright (C) 2014 Maxime Ripard * Maxime Ripard <maxime.ripard@free-electrons.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/clk.h> diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c index cf462b1abc0b..ef317c90fbe1 100644 --- a/drivers/dma/tegra20-apb-dma.c +++ b/drivers/dma/tegra20-apb-dma.c @@ -1,19 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * DMA driver for Nvidia's Tegra20 APB DMA controller. * * Copyright (c) 2012-2013, NVIDIA CORPORATION. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/bitops.h> diff --git a/drivers/dma/tegra210-adma.c b/drivers/dma/tegra210-adma.c index 21f6be16d013..2805853e963f 100644 --- a/drivers/dma/tegra210-adma.c +++ b/drivers/dma/tegra210-adma.c @@ -1,19 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * ADMA driver for Nvidia's Tegra210 ADMA controller. * * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/clk.h> @@ -53,10 +42,14 @@ #define ADMA_CH_CONFIG_MAX_BUFS 8 #define ADMA_CH_FIFO_CTRL 0x2c -#define ADMA_CH_FIFO_CTRL_OVRFW_THRES(val) (((val) & 0xf) << 24) -#define ADMA_CH_FIFO_CTRL_STARV_THRES(val) (((val) & 0xf) << 16) -#define ADMA_CH_FIFO_CTRL_TX_FIFO_SIZE_SHIFT 8 -#define ADMA_CH_FIFO_CTRL_RX_FIFO_SIZE_SHIFT 0 +#define TEGRA210_ADMA_CH_FIFO_CTRL_OFLWTHRES(val) (((val) & 0xf) << 24) +#define TEGRA210_ADMA_CH_FIFO_CTRL_STRVTHRES(val) (((val) & 0xf) << 16) +#define TEGRA210_ADMA_CH_FIFO_CTRL_TXSIZE(val) (((val) & 0xf) << 8) +#define TEGRA210_ADMA_CH_FIFO_CTRL_RXSIZE(val) ((val) & 0xf) +#define TEGRA186_ADMA_CH_FIFO_CTRL_OFLWTHRES(val) (((val) & 0x1f) << 24) +#define TEGRA186_ADMA_CH_FIFO_CTRL_STRVTHRES(val) (((val) & 0x1f) << 16) +#define TEGRA186_ADMA_CH_FIFO_CTRL_TXSIZE(val) (((val) & 0x1f) << 8) +#define TEGRA186_ADMA_CH_FIFO_CTRL_RXSIZE(val) ((val) & 0x1f) #define ADMA_CH_LOWER_SRC_ADDR 0x34 #define ADMA_CH_LOWER_TRG_ADDR 0x3c @@ -71,8 +64,15 @@ #define TEGRA_ADMA_BURST_COMPLETE_TIME 20 -#define ADMA_CH_FIFO_CTRL_DEFAULT (ADMA_CH_FIFO_CTRL_OVRFW_THRES(1) | \ - ADMA_CH_FIFO_CTRL_STARV_THRES(1)) +#define TEGRA210_FIFO_CTRL_DEFAULT (TEGRA210_ADMA_CH_FIFO_CTRL_OFLWTHRES(1) | \ + TEGRA210_ADMA_CH_FIFO_CTRL_STRVTHRES(1) | \ + TEGRA210_ADMA_CH_FIFO_CTRL_TXSIZE(3) | \ + TEGRA210_ADMA_CH_FIFO_CTRL_RXSIZE(3)) + +#define TEGRA186_FIFO_CTRL_DEFAULT (TEGRA186_ADMA_CH_FIFO_CTRL_OFLWTHRES(1) | \ + TEGRA186_ADMA_CH_FIFO_CTRL_STRVTHRES(1) | \ + TEGRA186_ADMA_CH_FIFO_CTRL_TXSIZE(3) | \ + TEGRA186_ADMA_CH_FIFO_CTRL_RXSIZE(3)) #define ADMA_CH_REG_FIELD_VAL(val, mask, shift) (((val) & mask) << shift) @@ -84,7 +84,8 @@ struct tegra_adma; * @global_int_clear: Register offset of DMA global interrupt clear. * @ch_req_tx_shift: Register offset for AHUB transmit channel select. * @ch_req_rx_shift: Register offset for AHUB receive channel select. - * @ch_base_offset: Reister offset of DMA channel registers. + * @ch_base_offset: Register offset of DMA channel registers. + * @ch_fifo_ctrl: Default value for channel FIFO CTRL register. * @ch_req_mask: Mask for Tx or Rx channel select. * @ch_req_max: Maximum number of Tx or Rx channels available. * @ch_reg_size: Size of DMA channel register space. @@ -97,6 +98,7 @@ struct tegra_adma_chip_data { unsigned int ch_req_tx_shift; unsigned int ch_req_rx_shift; unsigned int ch_base_offset; + unsigned int ch_fifo_ctrl; unsigned int ch_req_mask; unsigned int ch_req_max; unsigned int ch_reg_size; @@ -600,7 +602,7 @@ static int tegra_adma_set_xfer_params(struct tegra_adma_chan *tdc, ADMA_CH_CTRL_FLOWCTRL_EN; ch_regs->config |= cdata->adma_get_burst_config(burst_size); ch_regs->config |= ADMA_CH_CONFIG_WEIGHT_FOR_WRR(1); - ch_regs->fifo_ctrl = ADMA_CH_FIFO_CTRL_DEFAULT; + ch_regs->fifo_ctrl = cdata->ch_fifo_ctrl; ch_regs->tc = desc->period_len & ADMA_CH_TC_COUNT_MASK; return tegra_adma_request_alloc(tdc, direction); @@ -784,6 +786,7 @@ static const struct tegra_adma_chip_data tegra210_chip_data = { .ch_req_tx_shift = 28, .ch_req_rx_shift = 24, .ch_base_offset = 0, + .ch_fifo_ctrl = TEGRA210_FIFO_CTRL_DEFAULT, .ch_req_mask = 0xf, .ch_req_max = 10, .ch_reg_size = 0x80, @@ -797,6 +800,7 @@ static const struct tegra_adma_chip_data tegra186_chip_data = { .ch_req_tx_shift = 27, .ch_req_rx_shift = 22, .ch_base_offset = 0x10000, + .ch_fifo_ctrl = TEGRA186_FIFO_CTRL_DEFAULT, .ch_req_mask = 0x1f, .ch_req_max = 20, .ch_reg_size = 0x100, @@ -845,16 +849,6 @@ static int tegra_adma_probe(struct platform_device *pdev) return PTR_ERR(tdma->ahub_clk); } - pm_runtime_enable(&pdev->dev); - - ret = pm_runtime_get_sync(&pdev->dev); - if (ret < 0) - goto rpm_disable; - - ret = tegra_adma_init(tdma); - if (ret) - goto rpm_put; - INIT_LIST_HEAD(&tdma->dma_dev.channels); for (i = 0; i < tdma->nr_channels; i++) { struct tegra_adma_chan *tdc = &tdma->channels[i]; @@ -873,6 +867,16 @@ static int tegra_adma_probe(struct platform_device *pdev) tdc->tdma = tdma; } + pm_runtime_enable(&pdev->dev); + + ret = pm_runtime_get_sync(&pdev->dev); + if (ret < 0) + goto rpm_disable; + + ret = tegra_adma_init(tdma); + if (ret) + goto rpm_put; + dma_cap_set(DMA_SLAVE, tdma->dma_dev.cap_mask); dma_cap_set(DMA_PRIVATE, tdma->dma_dev.cap_mask); dma_cap_set(DMA_CYCLIC, tdma->dma_dev.cap_mask); @@ -916,13 +920,13 @@ static int tegra_adma_probe(struct platform_device *pdev) dma_remove: dma_async_device_unregister(&tdma->dma_dev); -irq_dispose: - while (--i >= 0) - irq_dispose_mapping(tdma->channels[i].irq); rpm_put: pm_runtime_put_sync(&pdev->dev); rpm_disable: pm_runtime_disable(&pdev->dev); +irq_dispose: + while (--i >= 0) + irq_dispose_mapping(tdma->channels[i].irq); return ret; } diff --git a/drivers/dma/ti/dma-crossbar.c b/drivers/dma/ti/dma-crossbar.c index 9272b173c746..ad2f0a4cd6a4 100644 --- a/drivers/dma/ti/dma-crossbar.c +++ b/drivers/dma/ti/dma-crossbar.c @@ -1,11 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com * Author: Peter Ujfalusi <peter.ujfalusi@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/slab.h> #include <linux/err.h> diff --git a/drivers/dma/ti/omap-dma.c b/drivers/dma/ti/omap-dma.c index a4a931ddf6f6..ba2489d4ea24 100644 --- a/drivers/dma/ti/omap-dma.c +++ b/drivers/dma/ti/omap-dma.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * OMAP DMAengine support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/delay.h> #include <linux/dmaengine.h> diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c index afbb1c95b721..39382694fdfc 100644 --- a/drivers/dma/timb_dma.c +++ b/drivers/dma/timb_dma.c @@ -1,15 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * timb_dma.c timberdale FPGA DMA driver * Copyright (c) 2010 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ /* Supports: diff --git a/drivers/dma/txx9dmac.c b/drivers/dma/txx9dmac.c index e8d0881b64d8..628bdf4430c7 100644 --- a/drivers/dma/txx9dmac.c +++ b/drivers/dma/txx9dmac.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Driver for the TXx9 SoC DMA Controller * * Copyright (C) 2009 Atsushi Nemoto - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/dma-mapping.h> #include <linux/init.h> diff --git a/drivers/dma/txx9dmac.h b/drivers/dma/txx9dmac.h index f6517b928bab..aa53eafb1519 100644 --- a/drivers/dma/txx9dmac.h +++ b/drivers/dma/txx9dmac.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Driver for the TXx9 SoC DMA Controller * * Copyright (C) 2009 Atsushi Nemoto - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef TXX9DMAC_H #define TXX9DMAC_H diff --git a/drivers/dma/virt-dma.c b/drivers/dma/virt-dma.c index 88ad8ed2a8d6..bb5390847257 100644 --- a/drivers/dma/virt-dma.c +++ b/drivers/dma/virt-dma.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Virtual DMA channel support for DMAengine * * Copyright (C) 2012 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/device.h> #include <linux/dmaengine.h> diff --git a/drivers/dma/virt-dma.h b/drivers/dma/virt-dma.h index b09b75ab0751..23342ca23d4a 100644 --- a/drivers/dma/virt-dma.h +++ b/drivers/dma/virt-dma.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Virtual DMA channel support for DMAengine * * Copyright (C) 2012 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef VIRT_DMA_H #define VIRT_DMA_H diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index c43c1a154604..36c092349b5b 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * DMA driver for Xilinx Video DMA Engine * @@ -24,11 +25,6 @@ * The AXI CDMA, is a soft IP, which provides high-bandwidth Direct Memory * Access (DMA) between a memory-mapped source address and a memory-mapped * destination address. - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. */ #include <linux/bitops.h> diff --git a/drivers/dma/xilinx/zynqmp_dma.c b/drivers/dma/xilinx/zynqmp_dma.c index 4478787a247f..9c845c07b107 100644 --- a/drivers/dma/xilinx/zynqmp_dma.c +++ b/drivers/dma/xilinx/zynqmp_dma.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * DMA driver for Xilinx ZynqMP DMA Engine * * Copyright (C) 2016 Xilinx, Inc. All rights reserved. - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. */ #include <linux/bitops.h> diff --git a/drivers/dma/zx_dma.c b/drivers/dma/zx_dma.c index 2571bc7693df..9f4436f7c914 100644 --- a/drivers/dma/zx_dma.c +++ b/drivers/dma/zx_dma.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2015 Linaro. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/sched.h> #include <linux/device.h> |