A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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mmc: dw_mmc: Fixed sdio interrupt mask bit setting bug

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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 <[email protected]>
Acked-by: Shashidhar Hiremath <[email protected]>
Acked-by: Will Newton <[email protected]>
Signed-off-by: Chris Ball <[email protected]>
This commit is contained in:
Kyoungil Kim 2012-05-14 17:38:48 +09:00 • committed by Chris Ball
commit 705ad0472b
1 changed files with 2 additions and 2 deletions
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4
drivers/mmc/host/dw_mmc.c
View file

@ -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)));
}
}