linux-kernel - Re: [PATCH v2 00/11] mmc: core: PM fixes/improvements for SDIO IRQs

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Message-ID: <CAPDyKFrx1pGSp56fZ6ksmWKpv66mMdPas=VE3V6JwF4J_xwCKQ@mail.gmail.com>
Date:   Wed, 11 Sep 2019 16:21:06 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Douglas Anderson <dianders@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>
Cc:     Shawn Lin <shawn.lin@...k-chips.com>,
        Jaehoon Chung <jh80.chung@...sung.com>,
        Yong Mao <yong.mao@...iatek.com>,
        Chaotian Jing <chaotian.jing@...iatek.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 00/11] mmc: core: PM fixes/improvements for SDIO IRQs

On Sun, 8 Sep 2019 at 12:12, Ulf Hansson <ulf.hansson@...aro.org> wrote:
>
> Changes in v2:
>         - Added reviewed/tested-by tags.
>         - Updated some changelogs.
>         - Renamed sdio_irq_enabled() to sdio_irq_claimed().
>         - Don't set sdio_irq_pending when resuming SDIO card, but just queue the
>         work.
>
> The power management support for SDIO cards have slowly been improved, but
> there are still quite some serious problems, especially when dealing with the
> so called SDIO IRQs during system suspend/resume.
>
> This series makes some additional improvements to this code in the mmc core,
> but also includes some needed adaptations for the sdhci, the dw_mmc and the
> mtk-sd host drivers.
>
> The series is also available at:
> git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc.git sdio_irq_suspend_next_v2
>
> Kind regards
> Uffe
>
>
> Matthias Kaehlcke (1):
>   mmc: core: Move code to get pending SDIO IRQs to a function
>
> Ulf Hansson (10):
>   mmc: core: Add helper function to indicate if SDIO IRQs is enabled
>   mmc: dw_mmc: Re-store SDIO IRQs mask at system resume
>   mmc: mtk-sd: Re-store SDIO IRQs mask at system resume
>   mmc: core: Clarify sdio_irq_pending flag for
>     MMC_CAP2_SDIO_IRQ_NOTHREAD
>   mmc: core: Clarify that the ->ack_sdio_irq() callback is mandatory
>   mmc: core: WARN if SDIO IRQs are enabled for non-powered card in
>     suspend
>   mmc: core: Fixup processing of SDIO IRQs during system suspend/resume
>   mmc: sdhci: Drop redundant check in sdhci_ack_sdio_irq()
>   mmc: sdhci: Drop redundant code for SDIO IRQs
>   mmc: sdhci: Convert to use sdio_irq_claimed()
>
>  drivers/mmc/core/sdio.c            |  4 ++-
>  drivers/mmc/core/sdio_irq.c        | 57 +++++++++++++++++++-----------
>  drivers/mmc/host/dw_mmc.c          |  4 +++
>  drivers/mmc/host/mtk-sd.c          |  3 ++
>  drivers/mmc/host/sdhci-esdhc-imx.c | 34 ++++++++----------
>  drivers/mmc/host/sdhci.c           | 12 ++-----
>  drivers/mmc/host/sdhci.h           |  6 ----
>  include/linux/mmc/host.h           | 10 ++++++
>  8 files changed, 75 insertions(+), 55 deletions(-)
>
> --
> 2.17.1
>

So, I have queued this up for next (using v3 of patch 3), thanks all
for reviewing and testing!

Kind regards
Uffe