From: Florian Fainelli <f.fainelli@gmail.com>
To: Brian Norris <briannorris@chromium.org>,
Ulf Hansson <ulf.hansson@linaro.org>
Cc: Shawn Lin <shawn.lin@rock-chips.com>,
linux-mmc@vger.kernel.org, Al Cooper <alcooperx@gmail.com>,
Bjorn Andersson <andersson@kernel.org>,
Sowjanya Komatineni <skomatineni@nvidia.com>,
Broadcom internal kernel review list
<bcm-kernel-feedback-list@broadcom.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
Konrad Dybcio <konrad.dybcio@somainline.org>,
Florian Fainelli <f.fainelli@gmail.com>,
NXP Linux Team <linux-imx@nxp.com>,
Thierry Reding <thierry.reding@gmail.com>,
Fabio Estevam <festevam@gmail.com>,
Michal Simek <michal.simek@xilinx.com>,
linux-kernel@vger.kernel.org, Shawn Guo <shawnguo@kernel.org>,
Adrian Hunter <adrian.hunter@intel.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
linux-arm-msm@vger.kernel.org, Haibo Chen <haibo.chen@nxp.com>,
Andy Gross <agross@kernel.org>,
linux-arm-kernel@lists.infradead.org,
Faiz Abbas <faiz_abbas@ti.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
stable@vger.kernel.org
Subject: Re: [PATCH v3 1/7] mmc: cqhci: Provide helper for resetting both SDHCI and CQHCI
Date: Mon, 24 Oct 2022 11:02:40 -0700 [thread overview]
Message-ID: <709b3a2e-4dfa-52e1-a75e-f72d73bd97a8@gmail.com> (raw)
In-Reply-To: <20221024105229.v3.1.Ie85faa09432bfe1b0890d8c24ff95e17f3097317@changeid>
On 10/24/22 10:54, Brian Norris wrote:
> Several SDHCI drivers need to deactivate command queueing in their reset
> hook (see sdhci_cqhci_reset() / sdhci-pci-core.c, for example), and
> several more are coming.
>
> Those reset implementations have some small subtleties (e.g., ordering
> of initialization of SDHCI vs. CQHCI might leave us resetting with a
> NULL ->cqe_private), and are often identical across different host
> drivers.
>
> We also don't want to force a dependency between SDHCI and CQHCI, or
> vice versa; non-SDHCI drivers use CQHCI, and SDHCI drivers might support
> command queueing through some other means.
>
> So, implement a small helper, to avoid repeating the same mistakes in
> different drivers. Simply stick it in a header, because it's so small it
> doesn't deserve its own module right now, and inlining to each driver is
> pretty reasonable.
>
> This is marked for -stable, as it is an important prerequisite patch for
> several SDHCI controller bugfixes that follow.
>
> Cc: <stable@vger.kernel.org>
> Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
--
Florian
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next prev parent reply other threads:[~2022-10-24 18:04 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-24 17:54 [PATCH v3 0/7] mmc: sdhci controllers: Fix SDHCI_RESET_ALL for CQHCI Brian Norris
2022-10-24 17:54 ` [PATCH v3 1/7] mmc: cqhci: Provide helper for resetting both SDHCI and CQHCI Brian Norris
2022-10-24 18:02 ` Florian Fainelli [this message]
2022-10-25 13:09 ` Adrian Hunter
2022-10-24 17:54 ` [PATCH v3 2/7] mmc: sdhci-of-arasan: Fix SDHCI_RESET_ALL for CQHCI Brian Norris
2022-10-25 13:09 ` Adrian Hunter
2022-10-24 17:54 ` [PATCH v3 3/7] mmc: sdhci-brcmstb: " Brian Norris
2022-10-24 18:04 ` Florian Fainelli
2022-10-25 13:09 ` Adrian Hunter
2022-10-24 17:54 ` [PATCH v3 4/7] mms: sdhci-esdhc-imx: " Brian Norris
2022-10-25 13:10 ` Adrian Hunter
2022-10-24 17:54 ` [PATCH v3 5/7] mmc: sdhci-tegra: " Brian Norris
2022-10-25 13:10 ` Adrian Hunter
2022-10-24 17:55 ` [PATCH v3 6/7] mmc: sdhci_am654: " Brian Norris
2022-10-25 13:10 ` Adrian Hunter
2022-10-25 21:45 ` Brian Norris
2022-10-25 21:53 ` Florian Fainelli
2022-10-25 22:26 ` Brian Norris
2022-10-25 23:29 ` Florian Fainelli
2022-10-26 5:36 ` Adrian Hunter
2022-10-26 18:18 ` Brian Norris
2022-10-26 18:23 ` Florian Fainelli
2022-10-27 5:45 ` Adrian Hunter
2022-10-24 17:55 ` [PATCH v3 7/7] mmc: sdhci-*: Convert drivers to new sdhci_and_cqhci_reset() Brian Norris
2022-10-25 13:10 ` Adrian Hunter
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