Subject: Re: [PATCH 2/2] cxl: Workaround XSL bug that does not clear the RA bit after a reset

From: Frederic Barrat <[email-masked]>
Date: Thu, 30 Jun 2016 13:05:30 +0200

Le 29/06/2016 20:51, Ian Munsie a écrit :
> From: Ian Munsie <[email-masked]>
>
> An issue was noted in our debug logs where the XSL would leave the RA
> bit asserted after an AFU reset operation, which would effectively
> prevent further AFU reset operations from working.
>
> Workaround the issue by clearing the RA bit with an MMIO write if it is
> still asserted after any AFU control operation.
>
> Signed-off-by: Ian Munsie <[email-masked]>

OK, should be safe and valid even on non-xsl hardware.

Reviewed-by: Frederic Barrat <[email-masked]>

   Fred