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SubjectRe: [RESEND, PATCH] mmc: sdhci-pci-gli: Fix GL9763E runtime PM when the system resumes from suspend
On Fri, 20 May 2022 at 13:43, Ben Chuang <benchuanggli@gmail.com> wrote:
>
> When the system resumes from suspend (S3 or S4), the power mode is
> MMC_POWER_OFF. In this status, gl9763e_runtime_resume() should not enable
> PLL. Add a condition to this function to enable PLL only when the power
> mode is MMC_POWER_ON.
>
> Fixes: d607667bb8fa (mmc: sdhci-pci-gli: Add runtime PM for GL9763E)
> Signed-off-by: Ben Chuang <benchuanggli@gmail.com>

Sorry for the delay, I have been out traveling. Unfortunately this
didn't make it for v5.18, although I have queued it up for v5.19 and
added a stable tag.

Thanks and kind regards
Uffe


> ---
> Hi,
>
> Sorry, resend this patch because typo two email addresses.
> Sorry for Adrian and Kane.
>
> Best regards,
> Ben
> ---
> drivers/mmc/host/sdhci-pci-gli.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c
> index d09728c37d03..d81e5dc90e15 100644
> --- a/drivers/mmc/host/sdhci-pci-gli.c
> +++ b/drivers/mmc/host/sdhci-pci-gli.c
> @@ -972,6 +972,9 @@ static int gl9763e_runtime_resume(struct sdhci_pci_chip *chip)
> struct sdhci_host *host = slot->host;
> u16 clock;
>
> + if (host->mmc->ios.power_mode != MMC_POWER_ON)
> + return 0;
> +
> clock = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
>
> clock |= SDHCI_CLOCK_PLL_EN;
> --
> 2.36.0
>

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