čt 22. 8. 2019 v 15:59 odesílatel Ulf Hansson <ulf.hansson@xxxxxxxxxx> napsal: > > + some meson driver folkz > > On Thu, 22 Aug 2019 at 10:27, Jan Kaisrlik <ja.kaisrlik@xxxxxxxxx> wrote: > > > > st 21. 8. 2019 v 17:12 odesílatel Ulf Hansson <ulf.hansson@xxxxxxxxxx> napsal: > > > > > > + Chaotian Jing > > > > > > On Tue, 20 Aug 2019 at 13:42, <ja.kaisrlik@xxxxxxxxx> wrote: > > > > > > > > From: Jan Kaisrlik <ja.kaisrlik@xxxxxxxxx> > > > > > > > > This reverts commit 3a0681c7448b174e5dcfd19e9079cdd281c35f1a. > > > > > > > > Turns out the patch breaks initialization of Toshiba THGBMNG5. > > > > [ 1.648951] mmc0: mmc_select_hs200 failed, error -84 > > > > [ 1.648988] mmc0: error -84 whilst initialising MMC card > > > > > > For exactly this reason, when getting CRC errors on the first attempt, > > > doing a retry makes little sense. > > > > > > I have looped in Chaotian who has some more details about the problem. > > > > > > In any case, Jan, what HW and mmc controller are you using? > > > > It's a custom board based on Amlogic A113D. The compatibility in dts > > is set to "alogic,meson-axg-mmc". > > Good. I have looped in some of the relevant developers/maintainers. > > > > > In the different revision of HW we are using Kingston EMMC04G. The > > card has no such problem and is working fine without this patch. > > We observed it only on mention Toshiba card. > > I see. Of course it would also be interesting to see what CMD6 command > that is that fails. Would you mind adding some debug/trace to find out > what command it is that fails? Providing a log with following debug option `dyndbg="func mmc_mrq_pr_debug +p` # dmesg | grep mmc0 [ 1.557984] mmc0: starting CMD52 arg 00000c00 flags 00000195 [ 1.563989] mmc0: starting CMD52 arg 80000c08 flags 00000195 [ 1.575219] mmc0: starting CMD0 arg 00000000 flags 000000c0 [ 1.593142] mmc0: starting CMD8 arg 000001aa flags 000002f5 [ 1.604439] mmc0: starting CMD5 arg 00000000 flags 000002e1 [ 1.623875] mmc0: starting CMD55 arg 00000000 flags 000000f5 [ 1.631024] mmc0: starting CMD55 arg 00000000 flags 000000f5 [ 1.640221] mmc0: starting CMD55 arg 00000000 flags 000000f5 [ 1.646802] mmc0: starting CMD55 arg 00000000 flags 000000f5 [ 1.652397] mmc0: starting CMD1 arg 00000000 flags 000000e1 [ 1.669894] mmc0: starting CMD1 arg 40ff8080 flags 000000e1 [ 1.682925] mmc0: starting CMD1 arg 40ff8080 flags 000000e1 [ 1.697073] mmc0: starting CMD1 arg 40ff8080 flags 000000e1 [ 1.704327] mmc0: starting CMD0 arg 00000000 flags 000000c0 [ 1.722251] mmc0: starting CMD1 arg 40200000 flags 000000e1 [ 1.745317] mmc0: starting CMD1 arg 40200000 flags 000000e1 [ 1.752813] mmc0: starting CMD2 arg 00000000 flags 00000007 [ 1.771731] mmc0: starting CMD3 arg 00010000 flags 00000015 [ 1.784771] mmc0: starting CMD9 arg 00010000 flags 00000007 [ 1.790433] mmc0: starting CMD7 arg 00010000 flags 00000015 [ 1.795691] mmc0: starting CMD8 arg 00000000 flags 000000b5 [ 1.800800] mmc0: blksz 512 blocks 1 flags 00000200 tsac 50 ms nsac 0 [ 1.818402] mmc0: starting CMD6 arg 03af0101 flags 0000049d [ 1.818845] mmc0: starting CMD13 arg 00010000 flags 00000195 [ 1.824349] mmc0: starting CMD6 arg 03220101 flags 0000049d [ 1.829992] mmc0: starting CMD13 arg 00010000 flags 00000195 [ 1.835493] mmc0: starting CMD6 arg 03b70201 flags 0000049d [ 1.841119] mmc0: starting CMD13 arg 00010000 flags 00000195 [ 1.846628] mmc0: starting CMD8 arg 00000000 flags 000000b5 [ 1.851719] mmc0: blksz 512 blocks 1 flags 00000200 tsac 50 ms nsac 0 [ 1.860347] mmc0: starting CMD6 arg 03b90201 flags 0000049d [ 1.864421] mmc0: mmc_select_hs200 failed, error -84 [ 1.868892] mmc0: error -84 whilst initialising MMC card I cannot provide more verbose logs. When I enable more it (f.e. file core.c) the initialization of card was successful. If you want to see any another logs fell free to ask. Best regards, Jan > > [...] > > Kind regards > Uffe
