Re: RE: [PATCH linux-next] atm: lanai: Use dma_zalloc_coherent()

[Christophe JAILLET]

Le 17/01/2023 à 16:37, David Laight a écrit :
> From: ye.xingchen@xxxxxxxxxx
> > Sent: 17 January 2023 09:21
> >
> > Instead of using dma_alloc_coherent() and memset() directly use
> > dma_zalloc_coherent().
>
> I'm sure I've a brain cell that remembers that dma_alloc_coherent()
> always zeros the buffer.
> So the 'zalloc' variant isn't needed and the memset() can just
> be deleted.
> OTOH is it really worth the churn.

More-over, dma_zalloc_coherent() has been removed at the very beginning 
of 2019 in commit dfd32cad146e.

It is not existing since v5.0-rc2.

\o/


CJ

> 	David
>
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