[V3] ocxl: Fix access to the AFU Descriptor Data

[Michael Ellerman]

On Tue, 2018-08-14 at 12:45:15 UTC, Christophe Lombard wrote:
> The AFU Information DVSEC capability is a means to extract common,
> general information about all of the AFUs associated with a Function
> independent of the specific functionality that each AFU provides.
> Write in the AFU Index field allows to access to the descriptor data
> for each AFU.
> 
> With the current code, we are not able to access to these specific data
> when the index >= 1 because we are writing to the wrong location.
> All requests to the data of each AFU are pointing to those of the AFU 0,
> which could have impacts when using a card with more than one AFU per
> function.
> 
> This patch fixes the access to the AFU Descriptor Data indexed by the
> AFU Info Index field.
> 
> Fixes: 5ef3166e8a32 ("ocxl: Driver code for 'generic' opencapi devices")
> Cc: stable <stable at vger.kernel.org>     # 4.16
> Signed-off-by: Christophe Lombard <clombard at linux.vnet.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/6f8e45f7eb1bee5efdbe4a9cfe4a45

cheers