> -----Original Message----- > From: Yangbo Lu <yangbo.lu@xxxxxxx> > Sent: Wednesday, April 15, 2020 11:52 AM > To: stable@xxxxxxxxxxxxxxx > Cc: Y.b. Lu <yangbo.lu@xxxxxxx>; Greg Kroah-Hartman > <gregkh@xxxxxxxxxxxxxxxxxxx>; Sasha Levin <sashal@xxxxxxxxxx>; Daniel > Walker <danielwa@xxxxxxxxx>; Ulf Hansson <ulf.hansson@xxxxxxxxxx> > Subject: [v5.4] Fix up eSDHC issue on P2020 > > The upstream commit broke P2020 eSDHC. > fe0acab mmc: sdhci-of-esdhc: fix P2020 errata handling > > While the issue was fixed by later commit. > 2aa3d82 mmc: sdhci-of-esdhc: fix esdhc_reset() for different controller > versions > > The commit fe0acab had been applied to stable kernel 5.5, 5.4, > 4.19, 4.14, 4.9, and 4.4 without that fix-up. > > To fix up P2020 eSDHC on the stable kernels, backport the fix-up 2aa3d82 > kernel 5.4 and 5.5. > > Please help to revert fe0acab on 4.19, 4.14, 4.9 and 4.4, since there are > many conflicts to cherry-pick the fix-up, and fe0acab is actually not strongly > required for handling errata which is hardly triggered. > > The email thread for the issue discussion. > https://www.spinics.net/lists/stable/msg375823.html > > Yangbo Lu (4): > mmc: sdhci-of-esdhc: fix esdhc_reset() for different controller > versions > mmc: sdhci-of-esdhc: fix clock setting for different controller > versions > mmc: sdhci-of-esdhc: fix transfer mode register reading > mmc: sdhci-of-esdhc: fix serious issue clock is always disabled > > drivers/mmc/host/sdhci-of-esdhc.c | 174 > +++++++++++++++++++++++++------------- > 1 file changed, 114 insertions(+), 60 deletions(-) > Sorry, please ignore the wrong patch list and changes here in cover letter. It is to backport only fix-up 2aa3d82. > -- > 2.7.4
