>From 702faf54a21016777bfedf94ea709b2f05b5aee2 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Date: Mon, 26 Jan 2009 13:17:25 +0200
Subject: [PATCH] OMAP: HSMMC: Allow cover switch to cause rescan
Allow a cover switch to be used to cause a rescan of the
MMC slot.
Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
drivers/mmc/host/omap_hsmmc.c | 11 +++++++----
1 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index fd1657a..f3e4e0f 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -571,7 +571,10 @@ static void mmc_omap_detect(struct work_struct *work)
mmc_carddetect_work);
struct omap_mmc_slot_data *slot = &mmc_slot(host);
- host->carddetect = slot->card_detect(slot->card_detect_irq);
+ if (mmc_slot(host).card_detect)
+ host->carddetect = slot->card_detect(slot->card_detect_irq);
+ else
+ host->carddetect = -ENOSYS;
sysfs_notify(&host->mmc->class_dev.kobj, NULL, "cover_switch");
if (host->carddetect) {
@@ -1089,7 +1092,7 @@ static int __init omap_mmc_probe(struct platform_device *pdev)
}
/* Request IRQ for card detect */
- if ((mmc_slot(host).card_detect_irq) && (mmc_slot(host).card_detect)) {
+ if ((mmc_slot(host).card_detect_irq)) {
ret = request_irq(mmc_slot(host).card_detect_irq,
omap_mmc_cd_handler,
IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING
@@ -1112,8 +1115,8 @@ static int __init omap_mmc_probe(struct platform_device *pdev)
if (ret < 0)
goto err_slot_name;
}
- if (mmc_slot(host).card_detect_irq && mmc_slot(host).card_detect &&
- host->pdata->slots[host->slot_id].get_cover_state) {
+ if (mmc_slot(host).card_detect_irq &&
+ host->pdata->slots[host->slot_id].get_cover_state) {
ret = device_create_file(&mmc->class_dev,
&dev_attr_cover_switch);
if (ret < 0)
--
1.5.6.3
--
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