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mmc: sdhci-pci-gli: Fix no irq handler from suspend 

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: 31e43f3189 ("mmc: sdhci-pci-gli: Enable MSI interrupt for GL975x")
Co-developed-by: Renius Chen <renius.chen@genesyslogic.com.tw>
Signed-off-by: Renius Chen <renius.chen@genesyslogic.com.tw>
Tested-by: Dave Flogeras <dflogeras2@gmail.com>
Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Tested-by: Vineeth Pillai <vineethrp@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20200427103048.20785-1-benchuanggli@gmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Samuel Zou <zou_wei@huawei.com>
[Samuel Zou: Make sdhci_pci_gli_resume() static]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Ben Chuang 2020-04-27 18:30:48 +08:00 committed by Ulf Hansson
parent 0e698dfa28
commit 282ede76e4
1 changed files with 18 additions and 0 deletions
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18
drivers/mmc/host/sdhci-pci-gli.c
View File

@ -334,6 +334,18 @@ static u32 sdhci_gl9750_readl(struct sdhci_host *host, int reg)
return value;
}
#ifdef CONFIG_PM_SLEEP
static 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
};