mmc: pxamci: better pending IRQ determination

Pending interrupts should be determined from both I_REG and I_MASK
registers.

Signed-off-by: Bridge Wu <mingqiao.wu@gmail.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index b89e32d1e9b5..03d162881159 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -298,7 +298,7 @@ static irqreturn_t pxamci_irq(int irq, void *devid)
         unsigned int ireg;
         int handled = 0;
 
-        ireg = readl(host->base + MMC_I_REG);
+        ireg = readl(host->base + MMC_I_REG) & ~readl(host->base + MMC_I_MASK);
 
         if (ireg) {
                 unsigned stat = readl(host->base + MMC_STAT);