Re: [PATCH] net: ethernet: ti: cpdma: remove used_desc counter

[Mugunthan V N]

On Thursday 04 August 2016 08:50 PM, Grygorii Strashko wrote:
> The struct cpdma_desc_pool->used_desc field can be safely removed from
> CPDMA driver (and hot patch) because used_descs counter is used just
> for pool consistency check at CPDMA deinitialization and now this
> check can be re-implemnted using gen_pool_size(pool->gen_pool) !=
> gen_pool_avail(pool->gen_pool).
> More over, this will allow to get rid of warnings in
> cpdma_desc_pool_destro()-> WARN_ON(pool->used_desc) which may happen
> because the used_descs is used unprotected, since CPDMA has been
> switched to use genalloc, and may get wrong values on SMP.
> 
> Hence, remove used_desc from struct cpdma_desc_pool.
> 
> Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>

Reviewed-by: Mugunthan V N <mugunthanvnm@xxxxxx>

Regards
Mugunthan V N