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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-06-30 15:23:59 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-06-30 15:23:59 +1000
commit6da49a292534d31ca391928ea97f8225774dc1e0 (patch)
tree060c5f5f40dceb10d4528763bc7fc1ccc88210d9 /drivers/mmc/host/mmci.c
parent17bdc6c0e979ae61879806e4dd93ec3b169d0931 (diff)
parentca56a95eedcc95f8fea7b49c87565cd961d74fe2 (diff)
Merge remote branch 'origin/master' into next
Diffstat (limited to 'drivers/mmc/host/mmci.c')
-rw-r--r--drivers/mmc/host/mmci.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 5da5bea0f9f..7721de942c6 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -1144,9 +1144,17 @@ static int __devinit mmci_probe(struct amba_device *dev,
else if (ret != -ENOSYS)
goto err_gpio_cd;
+ /*
+ * A gpio pin that will detect cards when inserted and removed
+ * will most likely want to trigger on the edges if it is
+ * 0 when ejected and 1 when inserted (or mutatis mutandis
+ * for the inverted case) so we request triggers on both
+ * edges.
+ */
ret = request_any_context_irq(gpio_to_irq(plat->gpio_cd),
- mmci_cd_irq, 0,
- DRIVER_NAME " (cd)", host);
+ mmci_cd_irq,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+ DRIVER_NAME " (cd)", host);
if (ret >= 0)
host->gpio_cd_irq = gpio_to_irq(plat->gpio_cd);
}