From 249d0fa9d59b6165ecc224720d9ce9b7267cf1b8 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Wed, 4 Feb 2009 14:42:03 -0800 Subject: [PATCH] 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: David Brownell Acked-by: Tony Lindgren Signed-off-by: Pierre Ossman --- drivers/mmc/host/omap_hsmmc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index db37490f67ec..4dba48642e60 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -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; -- 2.20.1