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usb: dwc3: Check IP revision for GTXFIFOSIZ

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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>
This commit is contained in:
Thinh Nguyen 2018-03-16 15:34:00 -07:00 committed by Felipe Balbi
parent 0cab8d26d6
commit d548a61767
1 changed files with 4 additions and 1 deletions
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5
drivers/usb/dwc3/gadget.c
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@ -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;