[PATCH] mmc: sdhci-pxav3: fix device wakeup initialization
Ulf Hansson
ulf.hansson at linaro.org
Thu Jun 4 01:34:24 PDT 2015
On 2 June 2015 at 12:38, Jisheng Zhang <jszhang at marvell.com> wrote:
> MMC_PM_KEEP_POWER doesn't imply MMC_PM_WAKE_SDIO_IRQ, we should only
> enable device wake up when MMC_PM_WAKE_SDIO_IRQ is set. And "pm_flags"
> is the requested pm features, we should not set it in the host driver.
>
> At the same time, device wakeup is disabled by default, so there's no
> need to disable device wakeup explicitly.
>
> This patch fixes the warning as following:
>
> [ 64.616651] ------------[ cut here ]------------
> [ 64.616665] WARNING: CPU: 0 PID: 79 at linux/kernel/irq/manage.c:603 irq_set_irq_wake+0xf0/0x11c()
> [ 64.616667] Unbalanced IRQ 87 wake disable
>
> Signed-off-by: Jisheng Zhang <jszhang at marvell.com>
Thanks, applied.
Kind regards
Uffe
> ---
> drivers/mmc/host/sdhci-pxav3.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c
> index 01cb2d3..9cd5fc6 100644
> --- a/drivers/mmc/host/sdhci-pxav3.c
> +++ b/drivers/mmc/host/sdhci-pxav3.c
> @@ -457,12 +457,8 @@ static int sdhci_pxav3_probe(struct platform_device *pdev)
>
> platform_set_drvdata(pdev, host);
>
> - if (host->mmc->pm_caps & MMC_PM_KEEP_POWER) {
> + if (host->mmc->pm_caps & MMC_PM_WAKE_SDIO_IRQ)
> device_init_wakeup(&pdev->dev, 1);
> - host->mmc->pm_flags |= MMC_PM_WAKE_SDIO_IRQ;
> - } else {
> - device_init_wakeup(&pdev->dev, 0);
> - }
>
> pm_runtime_put_autosuspend(&pdev->dev);
>
> --
> 2.1.4
>
More information about the linux-arm-kernel
mailing list