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Groups > linux.kernel > #1717233
| From | Ulf Hansson <ulf.hansson@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 0/5] mmc: sdhci-msm: Corrections to implementation of power irq |
| Date | 2017-08-22 11:50 +0200 |
| Message-ID | <uhdYT-uT-31@gated-at.bofh.it> (permalink) |
| References | <ufI13-7kE-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 18 August 2017 at 07:19, Vijay Viswanath <vviswana@codeaurora.org> wrote: > Register writes which change voltage of IO lines or turn the IO bus on/off > require sdhc controller to be ready before progressing further. Once a > register write which affects IO lines is done, the driver should wait for > power irq from controller. Once the irq comes, the driver should acknowledge > the irq by writing to power control register. If the acknowledgement is not > given to controller, the controller may not complete the corresponding > register write action and this can mess up the controller if drivers proceeds > without power irq completing. > > Sahitya Tummala (2): > mmc: sdhci-msm: Fix HW issue with power IRQ handling during reset > mmc: sdhci-msm: Add support to wait for power irq > > Subhash Jadavani (1): > mmc: sdhci-msm: fix issue with power irq > > Vijay Viswanath (2): > mmc: sdhci-msm: Add ops to do sdhc register write > defconfig: msm: Enable CONFIG_MMC_SDHCI_IO_ACCESSORS > > arch/arm64/configs/defconfig | 1 + > drivers/mmc/host/sdhci-msm.c | 233 ++++++++++++++++++++++++++++++++++++++++++- > 2 files changed, 229 insertions(+), 5 deletions(-) > > -- > Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc. > Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project. > Looks good to me, besides patch 5 which I provided comments for. Unless Adrian objects, I intend to queue this within the next couple of days. Kind regards Uffe
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[PATCH 0/5] mmc: sdhci-msm: Corrections to implementation of power irq Vijay Viswanath <vviswana@codeaurora.org> - 2017-08-18 07:30 +0200
[PATCH 1/5] mmc: sdhci-msm: fix issue with power irq Vijay Viswanath <vviswana@codeaurora.org> - 2017-08-18 07:30 +0200
Re: [PATCH 1/5] mmc: sdhci-msm: fix issue with power irq Adrian Hunter <adrian.hunter@intel.com> - 2017-08-24 09:50 +0200
[PATCH 4/5] mmc: sdhci-msm: Add ops to do sdhc register write Vijay Viswanath <vviswana@codeaurora.org> - 2017-08-18 07:30 +0200
Re: [PATCH 4/5] mmc: sdhci-msm: Add ops to do sdhc register write Adrian Hunter <adrian.hunter@intel.com> - 2017-08-24 12:20 +0200
[PATCH 5/5] defconfig: msm: Enable CONFIG_MMC_SDHCI_IO_ACCESSORS Vijay Viswanath <vviswana@codeaurora.org> - 2017-08-18 07:30 +0200
Re: [PATCH 5/5] defconfig: msm: Enable CONFIG_MMC_SDHCI_IO_ACCESSORS Ulf Hansson <ulf.hansson@linaro.org> - 2017-08-22 11:40 +0200
Re: [PATCH 0/5] mmc: sdhci-msm: Corrections to implementation of power irq Ulf Hansson <ulf.hansson@linaro.org> - 2017-08-22 11:50 +0200
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