[Skiboot] [PATCH] hw/xscom: Reset XSCOM engine after querying sleeping core FIR
Vipin K Parashar
vipin at linux.vnet.ibm.com
Tue Jul 12 07:04:06 AEST 2016
On Monday 11 July 2016 09:05 AM, Stewart Smith wrote:
> Vipin K Parashar <vipin at linux.vnet.ibm.com> writes:
>> XSCOM engine blocks subsequently after querying FIR of any
>> sleeping core. This causes subsequent XSCOM opertions to hang
>> forever due to XSCOM engine being continuously busy. Reset XSCOM
>> engine after querying FIR of any sleeping core.
>> Cc: stable
>> Signed-off-by: Vipin K Parashar <vipin at linux.vnet.ibm.com>
>> Signed-off-by: Vaidyanathan Srinivasan <svaidy at linux.vnet.ibm.com>
>> Note: This patch needs below patch:
>> hw/xscom: Reset XSCOM engine after finite number of
>> Link: https://patchwork.ozlabs.org/patch/628160/
>> Please apply above patch first for trying out this one.
> this patch no longer applies to master, are you able to send a rebased patch?
Thanks!! Stewart for picking it up.
Sent out a rebased version of this patch against master.
Also sent backported one for stable branch.
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