Hello!
Forgot to mention transfer hags happen only on mem to dev transfers (dma writes
to
device) and never on dev to mem.
Yea, I know, rk3188 and earlier are quite ancient, but we made custom hardware
based on rk3188 and some of our customers report problems.
For testing I use rk3188 based cus
+ Caesar Wang
On 2019/3/21 1:48, Alexander Kochetkov wrote:
I've found that sometimes dw_mmc in my rk3188 based board stop transfer
any data with error:
kernel: dwmmc_rockchip 1021c000.dwmmc: Unexpected command timeout, state 3
Further digging into problem showed that sometimes one of EDMA-bas
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