mmc: sdhci-acpi: Fix IRQ 0
authorAdrian Hunter <adrian.hunter@intel.com>
Wed, 21 Mar 2018 09:49:40 +0000 (11:49 +0200)
committerUlf Hansson <ulf.hansson@linaro.org>
Wed, 21 Mar 2018 10:10:20 +0000 (11:10 +0100)
Zero is a valid IRQ number and is being used on some CHT tablets. Stop
treating it as an error.

Reported-by: Luke Ross <luke@lukeross.name>
Fixes: 1b7ba57ecc86 ("mmc: sdhci-acpi: Handle return value of platform_get_irq")
Cc: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/host/sdhci-acpi.c

index 4065da58789d2d091cd918b8cd30c518aac331d7..32321bd596d880027358db10e9eb5f5b45957c1d 100644 (file)
@@ -680,7 +680,7 @@ static int sdhci_acpi_probe(struct platform_device *pdev)
        host->hw_name   = "ACPI";
        host->ops       = &sdhci_acpi_ops_dflt;
        host->irq       = platform_get_irq(pdev, 0);
-       if (host->irq <= 0) {
+       if (host->irq < 0) {
                err = -EINVAL;
                goto err_free;
        }