From 17e9ff559a7dbb7a6df332007d2ffcd3e7d83fba Mon Sep 17 00:00:00 2001 From: Seungwon Jeon Date: Mon, 26 Dec 2011 18:03:05 +0900 Subject: mmc: core: Add claiming of hosts during mmc_cache_ctrl While calling mmc_cache_ctrl() a host is not claimed. This patch adds the mmc_try_claim_host() for quick response in suspend. Signed-off-by: Seungwon Jeon Signed-off-by: Chris Ball --- drivers/mmc/core/core.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'drivers/mmc') diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index a2aa860956ef..22050525be84 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -2355,7 +2355,13 @@ int mmc_suspend_host(struct mmc_host *host) cancel_delayed_work(&host->disable); cancel_delayed_work(&host->detect); mmc_flush_scheduled_work(); - err = mmc_cache_ctrl(host, 0); + if (mmc_try_claim_host(host)) { + err = mmc_cache_ctrl(host, 0); + mmc_do_release_host(host); + } else { + err = -EBUSY; + } + if (err) goto out; -- cgit v1.2.3