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Commit 249d0fa9 authored by David Brownell's avatar David Brownell Committed by Pierre Ossman
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omap_hsmmc: card detect irq bugfix 



Work around lockdep issue when card detect IRQ handlers run in
thread context ... it forces IRQF_DISABLED, which prevents all
access to twl4030 card detect signals.

Signed-off-by: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
Acked-by: default avatarTony Lindgren <tony@atomide.com>
Signed-off-by: default avatarPierre Ossman <drzeus@drzeus.cx>
parent 5dbace0c

drivers/mmc/host/omap_hsmmc.c

+3 −1
Original line number Diff line number Diff line
@@ -517,6 +517,9 @@ static void mmc_omap_detect(struct work_struct *work) 
{

	struct mmc_omap_host *host = container_of(work, struct mmc_omap_host,

						mmc_carddetect_work);

	struct omap_mmc_slot_data *slot = &mmc_slot(host);



	host->carddetect = slot->card_detect(slot->card_detect_irq);



	sysfs_notify(&host->mmc->class_dev.kobj, NULL, "cover_switch");

	if (host->carddetect) {
@@ -538,7 +541,6 @@ static irqreturn_t omap_mmc_cd_handler(int irq, void *dev_id) 
{

	struct mmc_omap_host *host = (struct mmc_omap_host *)dev_id;



	host->carddetect = mmc_slot(host).card_detect(irq);

	schedule_work(&host->mmc_carddetect_work);



	return IRQ_HANDLED;