Do not need to enable the controller card cd interrupt wakeup
if using GPIO as card detect since it's meaningless.
Signed-off-by: Dong Aisheng <b29...@freescale.com>
---
drivers/mmc/host/sdhci.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 85cbf45..2b5bba1 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2561,13 +2561,16 @@ static irqreturn_t sdhci_thread_irq(int irq, void
*dev_id)
void sdhci_enable_irq_wakeups(struct sdhci_host *host)
{
u8 val;
+ int gpio_cd = mmc_gpio_get_cd(host->mmc);
+
u8 mask = SDHCI_WAKE_ON_INSERT | SDHCI_WAKE_ON_REMOVE
| SDHCI_WAKE_ON_INT;
val = sdhci_readb(host, SDHCI_WAKE_UP_CONTROL);
val |= mask ;
/* Avoid fake wake up */
- if (host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION)
+ if (host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION ||
+ !IS_ERR_VALUE(gpio_cd))
val &= ~(SDHCI_WAKE_ON_INSERT | SDHCI_WAKE_ON_REMOVE);
sdhci_writeb(host, val, SDHCI_WAKE_UP_CONTROL);
}
--
1.7.8
--
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