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authorSevak Arakelyan <sevaka@synopsys.com>2017-01-23 15:01:01 -0800
committerFelipe Balbi <felipe.balbi@linux.intel.com>2017-01-24 16:19:10 +0200
commite1f411d1b3db49a2089f47087410dcfec6564e28 (patch)
tree9fc685cfe24a49c701ecca1dfcdae66e288e1469 /drivers/usb/dwc2
parentd3fe81d2ccc41b355e494413115c0c7c18426fa1 (diff)
downloadlinux-e1f411d1b3db49a2089f47087410dcfec6564e28.tar.gz
usb: dwc2: host: Correct snpsid checking for GDFIFOCFG
GDFIFOCFG is available from IP version 2.91a. Fix the code to reflect
this.

Signed-off-by: Sevak Arakelyan <sevaka@synopsys.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc2')
-rw-r--r--drivers/usb/dwc2/core.h1
-rw-r--r--drivers/usb/dwc2/hcd.c3
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index a473853ca39c..5370e6429f28 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -940,6 +940,7 @@ struct dwc2_hsotg {
 	/* DWC OTG HW Release versions */
 #define DWC2_CORE_REV_2_71a	0x4f54271a
 #define DWC2_CORE_REV_2_90a	0x4f54290a
+#define DWC2_CORE_REV_2_91a	0x4f54291a
 #define DWC2_CORE_REV_2_92a	0x4f54292a
 #define DWC2_CORE_REV_2_94a	0x4f54294a
 #define DWC2_CORE_REV_3_00a	0x4f54300a
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 751f0ddd741b..a2d4997d822c 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -494,8 +494,9 @@ static void dwc2_config_fifos(struct dwc2_hsotg *hsotg)
 		dwc2_readl(hsotg->regs + HPTXFSIZ));
 
 	if (hsotg->params.en_multiple_tx_fifo &&
-	    hsotg->hw_params.snpsid <= DWC2_CORE_REV_2_94a) {
+	    hsotg->hw_params.snpsid >= DWC2_CORE_REV_2_91a) {
 		/*
+		 * This feature was implemented in 2.91a version
 		 * Global DFIFOCFG calculation for Host mode -
 		 * include RxFIFO, NPTXFIFO and HPTXFIFO
 		 */