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omap_hsmmc: card detect irq bugfix

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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: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
This commit is contained in:
David Brownell 2009-02-04 14:42:03 -08:00 committed by Pierre Ossman
parent 5dbace0c9b
commit 249d0fa9d5
1 changed files with 3 additions and 1 deletions
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4
drivers/mmc/host/omap_hsmmc.c
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@ -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;