On 2017/9/14 09:49, Shawn Lin wrote: > On 2017/9/14 13:33, Goldschmidt Simon wrote: >> [..] >> I'm running 4.9.33-rt23 on a socfpga_cyclone5 with mmc-utils 0.1 (from >> debian strecth). However, checking the newest versions of both the >> kernel and mmc-utils, I do not see relevant changes. > > The situation of busy check was bad and all R1b shoule be handled by > core but not by individual host. dwmmc only handle some special > fsm busy internally noted by databook but left others for core. > Some improvement was introduced but I think you backport > all that for your 4.9 stock kernel if it doesn't contain these: > > mainline: git log drivers/mmc, > from commit 20348d1981 ~ e173f8911f091f Reading the git log, those commits were before 4.9 final and I am running a stock 4.9.33 (only addition is the rt patch). I also just tested a clean 4.13.2 (no rt patch) and it shows the same result. Does that mean the dw_mmc driver handles R1b the wrong way? Simon -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
