[PATCH 1/5] usb: dwc2: Make dwc2_wait_bit_set wait all bits in mask
Sascha Hauer
s.hauer at pengutronix.de
Mon Mar 15 08:51:47 GMT 2021
On Fri, Mar 12, 2021 at 05:24:28PM +0100, Jules Maselbas wrote:
> The dwc2_wait_bit_set() wasn't waiting for all bits in the mask to be
> set but was waiting for only one bit set a mask.
> This is not the expected behavior as stated in the function's comment.
>
> The function dwc2_wait_bit_set() is always called with a mask of only
> one bit.
>
> Signed-off-by: Jules Maselbas <jmaselbas at kalray.eu>
> ---
> drivers/usb/dwc2/core.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Applied, thanks
Sascha
>
> diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
> index 780efb262..fa9d6ae95 100644
> --- a/drivers/usb/dwc2/core.h
> +++ b/drivers/usb/dwc2/core.h
> @@ -532,7 +532,7 @@ static inline int dwc2_wait_bit_set(struct dwc2 *dwc2, u32 offset, u32 mask,
> u32 timeout)
> {
> return wait_on_timeout(timeout * USECOND,
> - dwc2_readl(dwc2, offset) & mask);
> + (dwc2_readl(dwc2, offset) & mask) == mask);
> }
>
> /**
> --
> 2.17.1
>
>
>
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