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tegra-sdhci: treat -1 as invalid card detect GPIO

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0 is a valid GPIO number (GPIO_PA0), so the check in the tegra
SDHCI driver for a valid card detect pin should compare against -1
instead

Change-Id: I47ad31eaf89472b2e6938978d72a9d0b92a74958
Signed-off-by: Gary King <gking@nvidia.com>
This commit is contained in:
Gary King
2010-07-14 20:41:23 -07:00
committed by Colin Cross
parent 0a37a25e5e
commit 52525d352a
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/host/sdhci-tegra.c
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@@ -128,7 +128,7 @@ static int __devinit tegra_sdhci_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, host);
if (plat->cd_gpio) {
if (plat->cd_gpio != -1) {
rc = request_irq(gpio_to_irq(plat->cd_gpio), carddetect_irq,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
mmc_hostname(sdhci->mmc), sdhci);