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author | Richard Purdie <rpurdie@rpsys.net> | 2005-09-08 17:53:01 +0100 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2005-09-08 17:53:01 +0100 |
commit | 8dc003359cc3996abad9e53a7b2280b272610283 (patch) | |
tree | 7fc17315c0d948cd106b89d250355bf59978ae39 /drivers/mmc/mmc.c | |
parent | caf39e87cc1182f7dae84eefc43ca14d54c78ef9 (diff) | |
download | kernel_samsung_crespo-8dc003359cc3996abad9e53a7b2280b272610283.zip kernel_samsung_crespo-8dc003359cc3996abad9e53a7b2280b272610283.tar.gz kernel_samsung_crespo-8dc003359cc3996abad9e53a7b2280b272610283.tar.bz2 |
[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/mmc.c')
-rw-r--r-- | drivers/mmc/mmc.c | 12 |
1 files changed, 8 insertions, 4 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; } |