> -----Original Message----- > From: Vinod Koul <vkoul@xxxxxxxxxx> > 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.
