On Mon, 27 Apr 2020 at 12:30, Ben Chuang <[email protected]> wrote:
>
> From: Ben Chuang <[email protected]>
>
> The kernel prints a message similar to
> "[ 28.881959] do_IRQ: 5.36 No irq handler for vector"
> when GL975x resumes from suspend. Implement a resume callback to fix this.
>
> Fixes: 31e43f31890c ("mmc: sdhci-pci-gli: Enable MSI interrupt for GL975x")
> Co-developed-by: Renius Chen <[email protected]>
> Signed-off-by: Renius Chen <[email protected]>
> Tested-by: Dave Flogeras <[email protected]>
> Signed-off-by: Ben Chuang <[email protected]>
Applied for fixes, thanks!
Kind regards
Uffe
> ---
> drivers/mmc/host/sdhci-pci-gli.c | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/drivers/mmc/host/sdhci-pci-gli.c
> b/drivers/mmc/host/sdhci-pci-gli.c
> index ce15a05f23d4..7195dd33ac3d 100644
> --- a/drivers/mmc/host/sdhci-pci-gli.c
> +++ b/drivers/mmc/host/sdhci-pci-gli.c
> @@ -334,6 +334,18 @@ static u32 sdhci_gl9750_readl(struct sdhci_host *host,
> int reg)
> return value;
> }
>
> +#ifdef CONFIG_PM_SLEEP
> +int sdhci_pci_gli_resume(struct sdhci_pci_chip *chip)
> +{
> + struct sdhci_pci_slot *slot = chip->slots[0];
> +
> + pci_free_irq_vectors(slot->chip->pdev);
> + gli_pcie_enable_msi(slot);
> +
> + return sdhci_pci_resume_host(chip);
> +}
> +#endif
> +
> static const struct sdhci_ops sdhci_gl9755_ops = {
> .set_clock = sdhci_set_clock,
> .enable_dma = sdhci_pci_enable_dma,
> @@ -348,6 +360,9 @@ const struct sdhci_pci_fixes sdhci_gl9755 = {
> .quirks2 = SDHCI_QUIRK2_BROKEN_DDR50,
> .probe_slot = gli_probe_slot_gl9755,
> .ops = &sdhci_gl9755_ops,
> +#ifdef CONFIG_PM_SLEEP
> + .resume = sdhci_pci_gli_resume,
> +#endif
> };
>
> static const struct sdhci_ops sdhci_gl9750_ops = {
> @@ -366,4 +381,7 @@ const struct sdhci_pci_fixes sdhci_gl9750 = {
> .quirks2 = SDHCI_QUIRK2_BROKEN_DDR50,
> .probe_slot = gli_probe_slot_gl9750,
> .ops = &sdhci_gl9750_ops,
> +#ifdef CONFIG_PM_SLEEP
> + .resume = sdhci_pci_gli_resume,
> +#endif
> };
> --
> 2.26.2
>
