mmc: sdhci-acpi: Fix IRQ 0

Zero is a valid IRQ number and is being used on some CHT tablets. Stop
treating it as an error.

Reported-by: Luke Ross <[email protected]>
Fixes: 1b7ba57ecc86 ("mmc: sdhci-acpi: Handle return value of platform_get_irq")
Cc: Arvind Yadav <[email protected]>
Signed-off-by: Adrian Hunter <[email protected]>
Cc: [email protected]
Signed-off-by: Ulf Hansson <[email protected]>

diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index 4065da58789d2d091cd918b8cd30c518aac331d7..32321bd596d880027358db10e9eb5f5b45957c1d 100644 (file)
--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -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;
        }