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| author | Ladislav Michl <ladis@linux-mips.org> | 2023-07-31 11:33:24 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-08-04 14:52:15 +0200 |
| commit | 540264746d83b645b32e6a67367489d8e2c536f9 (patch) | |
| tree | 8f35256d6a4486f419f86321b0582108e2701dd8 /drivers/usb | |
| parent | dc0092ce24dc1655a1b06edb37cddc0946bb40f9 (diff) | |
| download | linux-stable-540264746d83b645b32e6a67367489d8e2c536f9.tar.gz linux-stable-540264746d83b645b32e6a67367489d8e2c536f9.tar.bz2 linux-stable-540264746d83b645b32e6a67367489d8e2c536f9.zip | |
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>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/dwc3/dwc3-octeon.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/dwc3/dwc3-octeon.c b/drivers/usb/dwc3/dwc3-octeon.c index 330bcb59cc95..d578110f7afb 100644 --- a/drivers/usb/dwc3/dwc3-octeon.c +++ b/drivers/usb/dwc3/dwc3-octeon.c @@ -299,8 +299,8 @@ static int dwc3_octeon_setup(struct dwc3_octeon *octeon, val = dwc3_octeon_readq(uctl_ctl_reg); if ((div != FIELD_GET(USBDRD_UCTL_CTL_H_CLKDIV_SEL, val)) || (!(FIELD_GET(USBDRD_UCTL_CTL_H_CLK_EN, val)))) { - dev_err(dev, "dwc3 controller clock init failure.\n"); - return -EINVAL; + dev_err(dev, "clock init failure (UCTL_CTL=%016llx)\n", val); + return -EINVAL; } /* Step 4c: Deassert the controller clock divider reset. */ |