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Commit 5fb2febb authored by Hemant Kumar's avatar Hemant Kumar
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usb: dwc3: Fix offset for register read in dwc3_masked_write_readback 



commit 375bf771 ("usb: dwc3: Add API to read back after register
write") API is using wrong offset from xHCI base address. Offset needs
to start from global address space. Fix this by subtracting DWC3 global
address start offset from offset received from API parameter.

Change-Id: If3ed2a9d5047b2deaaae0c9c73049768d039cff9
Signed-off-by: default avatarHemant Kumar <hemantk@codeaurora.org>
parent 2467fe92

drivers/usb/dwc3/io.h

+1 −1
Original line number Diff line number Diff line
@@ -76,7 +76,7 @@ static inline void dwc3_masked_write_readback(void __iomem *base, 
	writel_relaxed(write_val, base + offset - DWC3_GLOBALS_REGS_START);



	/* Read back to see if value was written */

	tmp = readl_relaxed(base + offset);

	tmp = readl_relaxed(base + offset - DWC3_GLOBALS_REGS_START);



	dwc3_trace(trace_dwc3_masked_write_readback,

			"addr %p readback val %08x",