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authorThinh Nguyen <Thinh.Nguyen@synopsys.com>2018-03-16 23:34:00 +0100
committerFelipe Balbi <felipe.balbi@linux.intel.com>2018-03-22 09:48:50 +0100
commitd548a61767fad7a0e6d89b118daeed2f5b8a8c2f (patch)
treec8379250c4b7323e23c6e2bef342a94aca484408 /drivers/usb
parentusb: dwc3: Update DWC_usb31 GTXFIFOSIZ reg fields (diff)
downloadlinux-d548a61767fad7a0e6d89b118daeed2f5b8a8c2f.tar.xz
linux-d548a61767fad7a0e6d89b118daeed2f5b8a8c2f.zip
usb: dwc3: Check IP revision for GTXFIFOSIZ
DWC_usb31 controller has different GTXFIFOSIZE bit field for TXFDEF. Check for DWC_usb31 IP revision to read the appropriate bit fields. Signed-off-by: Thinh Nguyen <thinhn@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/dwc3/gadget.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 7c3a6e4ea2a6..1431a88437af 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2118,7 +2118,10 @@ static int dwc3_gadget_init_endpoints(struct dwc3 *dwc, u8 total)
mdwidth /= 8;
size = dwc3_readl(dwc->regs, DWC3_GTXFIFOSIZ(num));
- size = DWC3_GTXFIFOSIZ_TXFDEF(size);
+ if (dwc3_is_usb31(dwc))
+ size = DWC31_GTXFIFOSIZ_TXFDEF(size);
+ else
+ size = DWC3_GTXFIFOSIZ_TXFDEF(size);
/* FIFO Depth is in MDWDITH bytes. Multiply */
size *= mdwidth;