* [v3,04/15] usb: dwc3: Check IP revision for GTXFIFOSIZ
@ 2018-01-18 1:54 Thinh Nguyen
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From: Thinh Nguyen @ 2018-01-18 1:54 UTC (permalink / raw)
To: Felipe Balbi, Thinh Nguyen, linux-usb; +Cc: John Youn
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>
---
drivers/usb/dwc3/gadget.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 639dd1b163a0..0bbc21ab6912 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2100,7 +2100,10 @@ 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;
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2018-01-18 1:54 [v3,04/15] usb: dwc3: Check IP revision for GTXFIFOSIZ Thinh Nguyen
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