[PATCH] dmaengine: stm32-dmamux: Simplify code and save a few bytes of memory

Vinod Koul vkoul at kernel.org
Sun Sep 4 23:22:38 PDT 2022


On 30-07-22, 22:07, Christophe JAILLET wrote:
> STM32_DMAMUX_MAX_DMA_REQUESTS is small (i.e. 32) and when the 'dma_inuse'
> bitmap is allocated, there is already a check that 'dma_req' is <= this
> limit.
> 
> So, there is no good reason to dynamically allocate this bitmap. This
> just waste some memory and some cycles.
> 
> Use DECLARE_BITMAP with the maximum bitmap size instead.

Applied, thanks

-- 
~Vinod



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