mmc: at91_mci: remove the use of irq_to_gpio
Remove the use of irq_to_gpio() in the card detection interrupt
handler. The information is available in the board structure and
we can avoid using a function that has little meaning.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c
index a4aa3af..a8b4d2a 100644
--- a/drivers/mmc/host/at91_mci.c
+++ b/drivers/mmc/host/at91_mci.c
@@ -869,7 +869,11 @@
static irqreturn_t at91_mmc_det_irq(int irq, void *_host)
{
struct at91mci_host *host = _host;
- int present = !gpio_get_value(irq_to_gpio(irq));
+ int present;
+
+ /* entering this ISR means that we have configured det_pin:
+ * we can use its value in board structure */
+ present = !gpio_get_value(host->board->det_pin);
/*
* we expect this irq on both insert and remove,