diff options
Diffstat (limited to 'drivers/spi')
-rw-r--r-- | drivers/spi/spi-davinci.c | 9 | ||||
-rw-r--r-- | drivers/spi/spi-dln2.c | 2 | ||||
-rw-r--r-- | drivers/spi/spi-fsl-lpspi.c | 2 | ||||
-rw-r--r-- | drivers/spi/spi-imx.c | 37 | ||||
-rw-r--r-- | drivers/spi/spi-omap-100k.c | 6 | ||||
-rw-r--r-- | drivers/spi/spi-orion.c | 3 | ||||
-rw-r--r-- | drivers/spi/spi-qup.c | 2 | ||||
-rw-r--r-- | drivers/spi/spi.c | 19 |
8 files changed, 36 insertions, 44 deletions
diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c index 7453a1dbbc06..e114e6fe5ea5 100644 --- a/drivers/spi/spi-davinci.c +++ b/drivers/spi/spi-davinci.c @@ -817,18 +817,13 @@ static int spi_davinci_get_pdata(struct platform_device *pdev, struct davinci_spi *dspi) { struct device_node *node = pdev->dev.of_node; - struct davinci_spi_of_data *spi_data; + const struct davinci_spi_of_data *spi_data; struct davinci_spi_platform_data *pdata; unsigned int num_cs, intr_line = 0; - const struct of_device_id *match; pdata = &dspi->pdata; - match = of_match_device(davinci_spi_of_match, &pdev->dev); - if (!match) - return -ENODEV; - - spi_data = (struct davinci_spi_of_data *)match->data; + spi_data = device_get_match_data(&pdev->dev); pdata->version = spi_data->version; pdata->prescaler_limit = spi_data->prescaler_limit; diff --git a/drivers/spi/spi-dln2.c b/drivers/spi/spi-dln2.c index 3902eadb892f..3ff63ab82f4f 100644 --- a/drivers/spi/spi-dln2.c +++ b/drivers/spi/spi-dln2.c @@ -781,7 +781,7 @@ exit_free_master: static int dln2_spi_remove(struct platform_device *pdev) { - struct spi_master *master = spi_master_get(platform_get_drvdata(pdev)); + struct spi_master *master = platform_get_drvdata(pdev); struct dln2_spi *dln2 = spi_master_get_devdata(master); pm_runtime_disable(&pdev->dev); diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c index a2886ee44e4c..5d98611dd999 100644 --- a/drivers/spi/spi-fsl-lpspi.c +++ b/drivers/spi/spi-fsl-lpspi.c @@ -200,7 +200,7 @@ static int lpspi_prepare_xfer_hardware(struct spi_controller *controller) spi_controller_get_devdata(controller); int ret; - ret = pm_runtime_get_sync(fsl_lpspi->dev); + ret = pm_runtime_resume_and_get(fsl_lpspi->dev); if (ret < 0) { dev_err(fsl_lpspi->dev, "failed to enable clock\n"); return ret; diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index cf5519227dbd..64e8f0828e85 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -66,8 +66,7 @@ struct spi_imx_data; struct spi_imx_devtype_data { void (*intctrl)(struct spi_imx_data *, int); int (*prepare_message)(struct spi_imx_data *, struct spi_message *); - int (*prepare_transfer)(struct spi_imx_data *, struct spi_device *, - struct spi_transfer *); + int (*prepare_transfer)(struct spi_imx_data *, struct spi_device *); void (*trigger)(struct spi_imx_data *); int (*rx_available)(struct spi_imx_data *); void (*reset)(struct spi_imx_data *); @@ -572,11 +571,10 @@ static int mx51_ecspi_prepare_message(struct spi_imx_data *spi_imx, } static int mx51_ecspi_prepare_transfer(struct spi_imx_data *spi_imx, - struct spi_device *spi, - struct spi_transfer *t) + struct spi_device *spi) { u32 ctrl = readl(spi_imx->base + MX51_ECSPI_CTRL); - u32 clk = t->speed_hz, delay; + u32 clk, delay; /* Clear BL field and set the right value */ ctrl &= ~MX51_ECSPI_CTRL_BL_MASK; @@ -590,7 +588,7 @@ static int mx51_ecspi_prepare_transfer(struct spi_imx_data *spi_imx, /* set clock speed */ ctrl &= ~(0xf << MX51_ECSPI_CTRL_POSTDIV_OFFSET | 0xf << MX51_ECSPI_CTRL_PREDIV_OFFSET); - ctrl |= mx51_ecspi_clkdiv(spi_imx, t->speed_hz, &clk); + ctrl |= mx51_ecspi_clkdiv(spi_imx, spi_imx->spi_bus_clk, &clk); spi_imx->spi_bus_clk = clk; if (spi_imx->usedma) @@ -702,13 +700,12 @@ static int mx31_prepare_message(struct spi_imx_data *spi_imx, } static int mx31_prepare_transfer(struct spi_imx_data *spi_imx, - struct spi_device *spi, - struct spi_transfer *t) + struct spi_device *spi) { unsigned int reg = MX31_CSPICTRL_ENABLE | MX31_CSPICTRL_MASTER; unsigned int clk; - reg |= spi_imx_clkdiv_2(spi_imx->spi_clk, t->speed_hz, &clk) << + reg |= spi_imx_clkdiv_2(spi_imx->spi_clk, spi_imx->spi_bus_clk, &clk) << MX31_CSPICTRL_DR_SHIFT; spi_imx->spi_bus_clk = clk; @@ -807,14 +804,13 @@ static int mx21_prepare_message(struct spi_imx_data *spi_imx, } static int mx21_prepare_transfer(struct spi_imx_data *spi_imx, - struct spi_device *spi, - struct spi_transfer *t) + struct spi_device *spi) { unsigned int reg = MX21_CSPICTRL_ENABLE | MX21_CSPICTRL_MASTER; unsigned int max = is_imx27_cspi(spi_imx) ? 16 : 18; unsigned int clk; - reg |= spi_imx_clkdiv_1(spi_imx->spi_clk, t->speed_hz, max, &clk) + reg |= spi_imx_clkdiv_1(spi_imx->spi_clk, spi_imx->spi_bus_clk, max, &clk) << MX21_CSPICTRL_DR_SHIFT; spi_imx->spi_bus_clk = clk; @@ -883,13 +879,12 @@ static int mx1_prepare_message(struct spi_imx_data *spi_imx, } static int mx1_prepare_transfer(struct spi_imx_data *spi_imx, - struct spi_device *spi, - struct spi_transfer *t) + struct spi_device *spi) { unsigned int reg = MX1_CSPICTRL_ENABLE | MX1_CSPICTRL_MASTER; unsigned int clk; - reg |= spi_imx_clkdiv_2(spi_imx->spi_clk, t->speed_hz, &clk) << + reg |= spi_imx_clkdiv_2(spi_imx->spi_clk, spi_imx->spi_bus_clk, &clk) << MX1_CSPICTRL_DR_SHIFT; spi_imx->spi_bus_clk = clk; @@ -1168,6 +1163,16 @@ static int spi_imx_setupxfer(struct spi_device *spi, if (!t) return 0; + if (!t->speed_hz) { + if (!spi->max_speed_hz) { + dev_err(&spi->dev, "no speed_hz provided!\n"); + return -EINVAL; + } + dev_dbg(&spi->dev, "using spi->max_speed_hz!\n"); + spi_imx->spi_bus_clk = spi->max_speed_hz; + } else + spi_imx->spi_bus_clk = t->speed_hz; + spi_imx->bits_per_word = t->bits_per_word; /* @@ -1209,7 +1214,7 @@ static int spi_imx_setupxfer(struct spi_device *spi, spi_imx->slave_burst = t->len; } - spi_imx->devtype_data->prepare_transfer(spi_imx, spi, t); + spi_imx->devtype_data->prepare_transfer(spi_imx, spi); return 0; } diff --git a/drivers/spi/spi-omap-100k.c b/drivers/spi/spi-omap-100k.c index 189fd2dda37b..7062f2902253 100644 --- a/drivers/spi/spi-omap-100k.c +++ b/drivers/spi/spi-omap-100k.c @@ -424,7 +424,7 @@ err: static int omap1_spi100k_remove(struct platform_device *pdev) { - struct spi_master *master = spi_master_get(platform_get_drvdata(pdev)); + struct spi_master *master = platform_get_drvdata(pdev); struct omap1_spi100k *spi100k = spi_master_get_devdata(master); pm_runtime_disable(&pdev->dev); @@ -438,7 +438,7 @@ static int omap1_spi100k_remove(struct platform_device *pdev) #ifdef CONFIG_PM static int omap1_spi100k_runtime_suspend(struct device *dev) { - struct spi_master *master = spi_master_get(dev_get_drvdata(dev)); + struct spi_master *master = dev_get_drvdata(dev); struct omap1_spi100k *spi100k = spi_master_get_devdata(master); clk_disable_unprepare(spi100k->ick); @@ -449,7 +449,7 @@ static int omap1_spi100k_runtime_suspend(struct device *dev) static int omap1_spi100k_runtime_resume(struct device *dev) { - struct spi_master *master = spi_master_get(dev_get_drvdata(dev)); + struct spi_master *master = dev_get_drvdata(dev); struct omap1_spi100k *spi100k = spi_master_get_devdata(master); int ret; diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c index d02c5c9def20..34b31aba3981 100644 --- a/drivers/spi/spi-orion.c +++ b/drivers/spi/spi-orion.c @@ -676,7 +676,8 @@ static int orion_spi_probe(struct platform_device *pdev) spi->dev = &pdev->dev; devdata = device_get_match_data(&pdev->dev); - spi->devdata = devdata ? devdata : &orion_spi_dev_data; + devdata = devdata ? devdata : &orion_spi_dev_data; + spi->devdata = devdata; spi->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(spi->clk)) { diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c index 8dcb2e70735c..d39dec6d1c91 100644 --- a/drivers/spi/spi-qup.c +++ b/drivers/spi/spi-qup.c @@ -1263,7 +1263,7 @@ static int spi_qup_remove(struct platform_device *pdev) struct spi_qup *controller = spi_master_get_devdata(master); int ret; - ret = pm_runtime_get_sync(&pdev->dev); + ret = pm_runtime_resume_and_get(&pdev->dev); if (ret < 0) return ret; diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 2fe3c3a50866..b1419a3576e4 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -2793,9 +2793,9 @@ free_bus_id: } EXPORT_SYMBOL_GPL(spi_register_controller); -static void devm_spi_unregister(struct device *dev, void *res) +static void devm_spi_unregister(void *ctlr) { - spi_unregister_controller(*(struct spi_controller **)res); + spi_unregister_controller(ctlr); } /** @@ -2814,22 +2814,13 @@ static void devm_spi_unregister(struct device *dev, void *res) int devm_spi_register_controller(struct device *dev, struct spi_controller *ctlr) { - struct spi_controller **ptr; int ret; - ptr = devres_alloc(devm_spi_unregister, sizeof(*ptr), GFP_KERNEL); - if (!ptr) - return -ENOMEM; - ret = spi_register_controller(ctlr); - if (!ret) { - *ptr = ctlr; - devres_add(dev, ptr); - } else { - devres_free(ptr); - } + if (ret) + return ret; - return ret; + return devm_add_action_or_reset(dev, devm_spi_unregister, ctlr); } EXPORT_SYMBOL_GPL(devm_spi_register_controller); |