Messages in this thread | | | From | Arnd Bergmann <> | Date | Mon, 24 Sep 2018 22:38:04 +0200 | Subject | Re: [PATCH V7 1/2] csky/dma: bugfix dma_sync_for_cpu/device |
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On Tue, Sep 18, 2018 at 3:48 PM Guo Ren <ren_guo@c-sky.com> wrote: > > ref: https://lkml.org/lkml/2018/5/18/1068 > > map for_cpu for_device unmap > TO_DEV writeback none writeback none > TO_CPU invalidate invalidate* invalidate invalidate* > BIDIR writeback invalidate writeback invalidate > > Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Same comment as for the other patch: Explain why the original version is wrong first. When giving a reference to some other discussion, use the "Link" tag above your Signed-off-by line. To point to a discussion on lkml, lore.kernel.org is the recommended archive, so it would become
Link: https://lore.kernel.org/lkml/20180518215548.GH17671@n2100.armlinux.org.uk/
Arnd
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