Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
usb: dwc3: dwc3-octeon: Dump control register on clock init failure
It might be interesting to know control register value in case
clock fails to enable.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/ZMd/5OX9szEMnhQH@lenoch
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
authored by
Ladislav Michl
and committed by
Greg Kroah-Hartman
54026474
dc0092ce
+2
-2
+2
-2
drivers/usb/dwc3/dwc3-octeon.c
+2
-2
drivers/usb/dwc3/dwc3-octeon.c
···
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val = dwc3_octeon_readq(uctl_ctl_reg);
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if ((div != FIELD_GET(USBDRD_UCTL_CTL_H_CLKDIV_SEL, val)) ||
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(!(FIELD_GET(USBDRD_UCTL_CTL_H_CLK_EN, val)))) {
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-
dev_err(dev, "dwc3 controller clock init failure.\n");
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return -EINVAL;
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dev_err(dev, "clock init failure (UCTL_CTL=%016llx)\n", val);
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return -EINVAL;
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}
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/* Step 4c: Deassert the controller clock divider reset. */