From: "Y.b. Lu" <yangbo.lu@nxp.com>
To: "stable@vger.kernel.org" <stable@vger.kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Sasha Levin <sashal@kernel.org>,
Daniel Walker <danielwa@cisco.com>,
Ulf Hansson <ulf.hansson@linaro.org>
Subject: RE: [v5.5] Fix up eSDHC issue on P2020
Date: Wed, 15 Apr 2020 04:02:01 +0000 [thread overview]
Message-ID: <AM7PR04MB68856F8499F0AA8695EFC851F8DB0@AM7PR04MB6885.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <20200415035212.19139-1-yangbo.lu@nxp.com>
> -----Original Message-----
> From: Yangbo Lu <yangbo.lu@nxp.com>
> Sent: Wednesday, April 15, 2020 11:52 AM
> To: stable@vger.kernel.org
> Cc: Y.b. Lu <yangbo.lu@nxp.com>; Greg Kroah-Hartman
> <gregkh@linuxfoundation.org>; Sasha Levin <sashal@kernel.org>; Daniel
> Walker <danielwa@cisco.com>; Ulf Hansson <ulf.hansson@linaro.org>
> Subject: [v5.5] 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
prev parent reply other threads:[~2020-04-15 4:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-15 3:52 [v5.5] Fix up eSDHC issue on P2020 Yangbo Lu
2020-04-15 3:52 ` [v5.5] mmc: sdhci-of-esdhc: fix esdhc_reset() for different controller versions Yangbo Lu
2020-04-15 6:40 ` Greg Kroah-Hartman
2020-04-15 4:02 ` Y.b. Lu [this message]
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