[PATCH V2] crypto/NX: Set receive window credits to max number of CRBs in RxFIFO

Michael Ellerman mpe at ellerman.id.au
Fri Jun 28 11:43:16 AEST 2019


Herbert Xu <herbert at gondor.apana.org.au> writes:
> Haren Myneni <haren at linux.vnet.ibm.com> wrote:
>>    
>> System gets checkstop if RxFIFO overruns with more requests than the
>> maximum possible number of CRBs in FIFO at the same time. The max number
>> of requests per window is controlled by window credits. So find max
>> CRBs from FIFO size and set it to receive window credits.
>> 
>> Fixes: b0d6c9bab5e4 ("crypto/nx: Add P9 NX support for 842 compression engine")
>> CC: stable at vger.kernel.org # v4.14+   
>> Signed-off-by:Haren Myneni <haren at us.ibm.com>
>
> I presume this is being picked up by the powerpc tree?

No. I assumed you'd take it because it's in drivers/crypto.

If you want me to take it that's fine, just let me know.

cheers


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