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authorKyoungil Kim <ki0351.kim@samsung.com>2012-05-14 17:38:48 +0900
committerChris Ball <cjb@laptop.org>2012-05-17 08:34:48 -0400
commit705ad0472bd55fa38e6c594b2d6318c31e86068a (patch)
tree2b6bff273156a1dd55b43d625bc1ab4a8a44c4ff /drivers/mmc
parent680f1b5b216af1ae051bdf237e3ea47ba9124876 (diff)
mmc: dw_mmc: Fixed sdio interrupt mask bit setting bug
The sdio interrupt mask bits are arranged in [31:16]. (1 << SDMMC_INT_SDIO(slot->id))) does 16 bits left shift twice. So this patch changes to do 16 bits left shift only one time. Signed-off-by: Kyoungil Kim <ki0351.kim@samsung.com> Acked-by: Shashidhar Hiremath <shashidharh@vayavyalabs.com> Acked-by: Will Newton <will.newton@imgtec.com> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/dw_mmc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 1532357787cb..9bbf45f8c538 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -857,10 +857,10 @@ static void dw_mci_enable_sdio_irq(struct mmc_host *mmc, int enb)
int_mask = mci_readl(host, INTMASK);
if (enb) {
mci_writel(host, INTMASK,
- (int_mask | (1 << SDMMC_INT_SDIO(slot->id))));
+ (int_mask | SDMMC_INT_SDIO(slot->id)));
} else {
mci_writel(host, INTMASK,
- (int_mask & ~(1 << SDMMC_INT_SDIO(slot->id))));
+ (int_mask & ~SDMMC_INT_SDIO(slot->id)));
}
}