Messages in this thread | | | Date | Tue, 21 May 2019 11:42:36 +0530 | From | Vinod Koul <> | Subject | Re: Re: Re: [PATCH v3 11/14] dmaengine: imx-sdma: fix ecspi1 rx dma not work on i.mx8mm |
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On 21-05-19, 05:41, Robin Gong wrote: > > -----Original Message----- > > From: Vinod Koul <vkoul@kernel.org> > > Sent: 2019年5月21日 13:13 > > > > On 21-05-19, 04:58, Robin Gong wrote: > > > > -----Original Message----- > > > > From: Vinod Koul <vkoul@kernel.org> > > > > Sent: 2019年5月21日 12:18 > > > > > > > > On 07-05-19, 09:16, Robin Gong wrote: > > > > > Because the number of ecspi1 rx event on i.mx8mm is 0, the > > > > > condition check ignore such special case without dma channel > > > > > enabled, which caused > > > > > ecspi1 rx works failed. Actually, no need to check event_id0, > > > > > checking > > > > > event_id1 is enough for DEV_2_DEV case because it's so lucky that > > > > > event_id1 never be 0. > > > > > > > > Well is that by chance or design that event_id1 will be never 0? > > > > > > > That's by chance. DEV_2_DEV is just for Audio case and non-zero for > > event_id1 on current i.MX family. > > > > Then it wont be fgood to rely on chance :) > Yes, I knew that. May I create another independent patch for event_id1 since that's potential issue is not related with this ecspi patch set?
Sure a patch should change one thing but I think it should come before this one. The log for this should be fixed up as well
-- ~Vinod
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