linux-kernel - [PATCH 0/5] mmc: sdhci controllers: Fix SDHCI_RESET

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20221018035724.2061127-1-briannorris@chromium.org>
Date:   Mon, 17 Oct 2022 20:57:19 -0700
From:   Brian Norris <briannorris@...omium.org>
To:     Ulf Hansson <ulf.hansson@...aro.org>
Cc:     Shawn Lin <shawn.lin@...k-chips.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Fabio Estevam <festevam@...il.com>,
        Faiz Abbas <faiz_abbas@...com>,
        NXP Linux Team <linux-imx@....com>,
        Haibo Chen <haibo.chen@....com>,
        Al Cooper <alcooperx@...il.com>, linux-mmc@...r.kernel.org,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        linux-kernel@...r.kernel.org,
        Florian Fainelli <f.fainelli@...il.com>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Thierry Reding <thierry.reding@...il.com>,
        Michal Simek <michal.simek@...inx.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Sowjanya Komatineni <skomatineni@...dia.com>,
        linux-arm-kernel@...ts.infradead.org,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        Brian Norris <briannorris@...omium.org>
Subject: [PATCH 0/5] mmc: sdhci controllers: Fix SDHCI_RESET_ALL for CQHCI

This is a series of nearly identical fixes for several SDHCI host
drivers. The first patch (for sdhci-of-arasan) is the only one I've
tested, and I wrote it due to a bug described there.

I then noticed that several other drivers do the same thing, and that
commit df57d73276b8 ("mmc: sdhci-pci: Fix SDHCI_RESET_ALL for CQHCI for
Intel GLK-based controllers") points out the likely-repeated bug.

Thus, I include additional patches (compile-tested only) that apply
similar fixes to the other drivers which call cqhci_init() but not
cqhci_deactivate(). They contain appropriate disclaimers and the
relevant parties are CC'd. I would suggest only merging them if you get
some kind of ACK from people familiar with the relevant hardware.

Notably, I do *not* patch drivers/mmc/host/mtk-sd.c although it uses
CQHCI, because it doesn't seem to be an SDHCI-based controller, and so
even if it has a similar bug, it's not clear to me how to patch it.

- Brian

Brian Norris (5):
  mmc: sdhci-of-arasan: Fix SDHCI_RESET_ALL for CQHCI
  mmc: sdhci-brcmstb: Fix SDHCI_RESET_ALL for CQHCI
  mms: sdhci-esdhc-imx: Fix SDHCI_RESET_ALL for CQHCI
  mmc: sdhci-tegra: Fix SDHCI_RESET_ALL for CQHCI
  mmc: sdhci_am654: Fix SDHCI_RESET_ALL for CQHCI

 drivers/mmc/host/sdhci-brcmstb.c   |  7 ++++++-
 drivers/mmc/host/sdhci-esdhc-imx.c |  7 +++++++
 drivers/mmc/host/sdhci-of-arasan.c | 17 +++++++++++------
 drivers/mmc/host/sdhci-tegra.c     |  4 ++++
 drivers/mmc/host/sdhci_am654.c     |  3 +++
 5 files changed, 31 insertions(+), 7 deletions(-)

-- 
2.38.0.413.g74048e4d9e-goog