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

[Michael Ellerman]

On Wed, 2016-29-06 at 18:51:26 UTC, Ian Munsie wrote:
> 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>
> Reviewed-by: Frederic Barrat <fbarrat at linux.vnet.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/2a4f667aadb2d61c289a52a0d6

cheers