>>> The bottleneck of throughout on sdio chip is the bus bandwidth, to the >>>patches are all to increase the use ratio of sdio bus. >> I tried to apply patches 2-8, patch 2 had a conflict due to my changes >> and patch 8 didn't apply at all. Also I saw few warnings with the >> patches I was able to test: HI kalle, i see some warning is from patch "ath10k: add fw coredump for sdio when firmware assert" and this patch also have change in sdio.c, so maybe it will have conflict with the 8 patches. patch 8 didn't apply at all, is it means each change of the patch is conflict? I used command to check each patch. perl ~/opensource/checkpatch.pl --strict --no-tree --max-line-length=90 --show-types --ignore CONST_STRUCT ./* I found it not check Wunused-but-set-variable.