From: Roger Quadros <[email protected]> Date: Mon, 6 Apr 2009 12:54:21 +0300 Subject: [PATCH] MMC: OMAP: Flush posted write to IRQ
Flush posted write to IRQ status register in HSMMC interrupt handler to avoid spurious interrupts. This is in addition to commit id, b420f201e8c3bba92606fb98a032ee019804835d Signed-off-by: Roger Quadros <[email protected]> --- drivers/mmc/host/omap_hsmmc.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index ac51f0b..c1f09fa 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -415,6 +415,8 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id) if (host->cmd == NULL && host->data == NULL) { OMAP_HSMMC_WRITE(host->base, STAT, OMAP_HSMMC_READ(host->base, STAT)); + /* Flush posted write to avoid spurious interrupt */ + OMAP_HSMMC_READ(host->base, STAT); return IRQ_HANDLED; } -- 1.5.6.3 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
