On 1 December 2015 at 09:41, Chen Bough <Haibo.Chen@xxxxxxxxxxxxx> wrote: > Hi, > > After > commit 197160d52e859575ff0ad1afd674ab2a825b9f83 > Author: Nick Sanders <nsanders@xxxxxxxxxxxx> > Date: Tue May 6 18:52:38 2014 -0700 > > mmc: sdhci: remove mdelay in eMMC tuning > > > I find Micron eMMC HS200 and HS400 can't pass tuning on i.MX7D platform, here is the log: > > [ 2.835581] sdhci: Tuning procedure failed, falling back to fixed sampling clock > [ 2.843071] mmc1: tuning execution failed > [ 2.847104] mmc1: error -5 whilst initialising MMC card > > When I revert this commit, issue gone. Thanks for reporting the problem! There's been a lot of changes regarding tuning since then, both to sdhci and the mmc core. So before I consider a revert for that patch, can you share on what baseline you are on!? [...] Kind regards Uffe -- 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
