From e5bdf9b518d0ff03455dce3da9bce8ad95c25e6d Mon Sep 17 00:00:00 2001 From: Ming Lei Date: Thu, 17 May 2012 10:27:12 +0800 Subject: [PATCH] mmc: omap_hsmmc: pass IRQF_ONESHOT to request_threaded_irq commit db35f83ef47b5f180f2670d11f5f93992314ea09 upstream. The flag of IRQF_ONESHOT should be passed to request_threaded_irq, otherwise the following failure message should be dumped because hardware handler is defined as NULL: [ 3.383483] genirq: Threaded irq requested with handler=NULL and !ONESHOT for irq 368 [ 3.392730] omap_hsmmc: probe of omap_hsmmc.0 failed with error -22 The patch fixes one kernel hang bug which is caused by mmc card probe failure and root device can't be brought up. Signed-off-by: Ming Lei Acked-by: Venkatraman S Signed-off-by: Chris Ball Signed-off-by: Greg Kroah-Hartman --- drivers/mmc/host/omap_hsmmc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 56d4499d4388..71a0c4ea1bc0 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -1969,7 +1969,7 @@ static int __devinit omap_hsmmc_probe(struct platform_device *pdev) ret = request_threaded_irq(mmc_slot(host).card_detect_irq, NULL, omap_hsmmc_detect, - IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, mmc_hostname(mmc), host); if (ret) { dev_dbg(mmc_dev(host->mmc), -- 2.39.5