diff options
author | Richard Purdie <rpurdie@rpsys.net> | 2005-09-08 16:53:01 (GMT) |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2005-09-08 16:53:01 (GMT) |
commit | 8dc003359cc3996abad9e53a7b2280b272610283 (patch) | |
tree | 7fc17315c0d948cd106b89d250355bf59978ae39 /drivers/mmc | |
parent | caf39e87cc1182f7dae84eefc43ca14d54c78ef9 (diff) | |
download | linux-fsl-qoriq-8dc003359cc3996abad9e53a7b2280b272610283.tar.xz |
[MMC] Allow detection/removal to be delayed
Change mmc_detect_change() to take a delay argument such that
the detection of card insertions and removals can be delayed
according to the requirements of the host driver or platform.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/mmc')
-rw-r--r-- | drivers/mmc/mmc.c | 12 | ||||
-rw-r--r-- | drivers/mmc/mmci.c | 2 | ||||
-rw-r--r-- | drivers/mmc/pxamci.c | 2 | ||||
-rw-r--r-- | drivers/mmc/wbsd.c | 4 |
4 files changed, 12 insertions, 8 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 0a117c6..ceae379 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -1079,13 +1079,17 @@ static void mmc_setup(struct mmc_host *host) /** * mmc_detect_change - process change of state on a MMC socket * @host: host which changed state. + * @delay: optional delay to wait before detection (jiffies) * * All we know is that card(s) have been inserted or removed * from the socket(s). We don't know which socket or cards. */ -void mmc_detect_change(struct mmc_host *host) +void mmc_detect_change(struct mmc_host *host, unsigned long delay) { - schedule_work(&host->detect); + if (delay) + schedule_delayed_work(&host->detect, delay); + else + schedule_work(&host->detect); } EXPORT_SYMBOL(mmc_detect_change); @@ -1189,7 +1193,7 @@ int mmc_add_host(struct mmc_host *host) ret = mmc_add_host_sysfs(host); if (ret == 0) { mmc_power_off(host); - mmc_detect_change(host); + mmc_detect_change(host, 0); } return ret; @@ -1259,7 +1263,7 @@ EXPORT_SYMBOL(mmc_suspend_host); */ int mmc_resume_host(struct mmc_host *host) { - mmc_detect_change(host); + mmc_detect_change(host, 0); return 0; } diff --git a/drivers/mmc/mmci.c b/drivers/mmc/mmci.c index 716c4ef..91c7484 100644 --- a/drivers/mmc/mmci.c +++ b/drivers/mmc/mmci.c @@ -442,7 +442,7 @@ static void mmci_check_status(unsigned long data) status = host->plat->status(mmc_dev(host->mmc)); if (status ^ host->oldstat) - mmc_detect_change(host->mmc); + mmc_detect_change(host->mmc, 0); host->oldstat = status; mod_timer(&host->timer, jiffies + HZ); diff --git a/drivers/mmc/pxamci.c b/drivers/mmc/pxamci.c index e99a53b..5223cd3 100644 --- a/drivers/mmc/pxamci.c +++ b/drivers/mmc/pxamci.c @@ -423,7 +423,7 @@ static void pxamci_dma_irq(int dma, void *devid, struct pt_regs *regs) static irqreturn_t pxamci_detect_irq(int irq, void *devid, struct pt_regs *regs) { - mmc_detect_change(devid); + mmc_detect_change(devid, 0); return IRQ_HANDLED; } diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c index dec01d3..a62c86f 100644 --- a/drivers/mmc/wbsd.c +++ b/drivers/mmc/wbsd.c @@ -1122,7 +1122,7 @@ static void wbsd_detect_card(unsigned long data) DBG("Executing card detection\n"); - mmc_detect_change(host->mmc); + mmc_detect_change(host->mmc, 0); } /* @@ -1198,7 +1198,7 @@ static void wbsd_tasklet_card(unsigned long param) */ spin_unlock(&host->lock); - mmc_detect_change(host->mmc); + mmc_detect_change(host->mmc, 0); } else spin_unlock(&host->lock); |