Messages in this thread | | | Subject | Re: [PATCH v2 08/27] i2c: busses: remove memset after dmam_alloc_coherent | From | Jarkko Nikula <> | Date | Fri, 28 Jun 2019 09:22:31 +0300 |
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Hi
On 6/28/19 5:47 AM, Fuqian Huang wrote: > In commit af7ddd8a627c > ("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"), > dmam_alloc_coherent has already zeroed the memory. > So memset is not needed. > > Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com> > --- > 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.
-- Jarkko
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