Re: [PATCH v2] crypto: ccree - Remove a useless dma_supported() call

From: Herbert Xu
Date: Fri Jul 29 2022 - 06:36:11 EST


On Wed, Jul 20, 2022 at 03:28:44PM +0200, Christophe JAILLET wrote:
> There is no point in calling dma_supported() before calling
> dma_set_coherent_mask(). This function already calls dma_supported() and
> returns an error (-EIO) if it fails.
>
> So remove the superfluous dma_supported() call.
>
> Moreover, setting a larger DMA mask will never fail when setting a smaller
> one will succeed, so the whole "while" loop can be removed as well. (see
> [1])
>
> While at it, fix the name of the function reported in a dev_err().
>
> [1]: https://lore.kernel.org/all/YteQ6Vx2C03UtCkG@xxxxxxxxxxxxx/
>
> Suggested-by: Christoph Hellwig <hch@xxxxxxxxxxxxx>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---
> drivers/crypto/ccree/cc_driver.c | 13 +++----------
> 1 file changed, 3 insertions(+), 10 deletions(-)

Patch applied. Thanks.
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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