[lkml]   [2019]   [Jun]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v2 08/27] i2c: busses: remove memset after dmam_alloc_coherent

On 6/28/19 5:47 AM, Fuqian Huang wrote:
> In commit af7ddd8a627c
> ("Merge tag 'dma-mapping-4.21' of git://"),
> dmam_alloc_coherent has already zeroed the memory.
> So memset is not needed.
> Signed-off-by: Fuqian Huang <>
> ---
> drivers/i2c/busses/i2c-ismt.c | 2 --
> 1 file changed, 2 deletions(-)
It would be better to refer actual commit or commits that implement that
zeroing rather than merge point in commit log if possible.

At quick look commit 518a2f1925c3 ("dma-mapping: zero memory returned
from dma_alloc_*") is the one but I'm not really an expert here to say
is that alone enough.


 \ /
  Last update: 2019-06-28 08:23    [W:0.044 / U:4.596 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site