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

[Frederic Barrat]

Le 29/06/2016 20:51, Ian Munsie a écrit :
> From: Ian Munsie <imunsie at au1.ibm.com>
>
> 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 <imunsie at au1.ibm.com>


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

Reviewed-by: Frederic Barrat <fbarrat at linux.vnet.ibm.com>


   Fred