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SubjectRe: [PATCH v2] xhci: Convert xhci_handshake() to use readl_poll_timeout_atomic()
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On 29.4.2019 23.05, Raul Rangel wrote:
> On Thu, Feb 07, 2019 at 05:48:16PM -0800, Andrey Smirnov wrote:
>> Xhci_handshake() implements the algorithm already captured by
>> readl_poll_timeout_atomic(). Convert the former to use the latter to
>> avoid repetition.
>>
>> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
> Tested-by: Raul E Rangel <rrangel@chromium.org>
> Reviewed-by: Raul E Rangel <rrangel@chromium.org>
>
> This fixes a bug on the AMD Stoneyridge platform. usleep(1) sometimes
> takes over 10ms. This means a 5 second timeout can easily take over 15
> seconds which will trigger the watchdog and reboot the system.
>
> Thanks for the patch.

Adding to queue

-Mathias

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