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authorLinus Walleij <linus.ml.walleij@gmail.com>2010-12-22 09:50:12 +0100
committerChris Ball <cjb@laptop.org>2011-01-09 05:52:22 +0100
commitc288b85554097a3d1271f935c48b442280b2db9e (patch)
tree1ae03edf8864c2d5260d2cc875317bbecc1673c2 /drivers/mmc
parentmmc: sdhci-s3c: Support controllers with no internal clock divider (diff)
downloadlinux-c288b85554097a3d1271f935c48b442280b2db9e.tar.xz
linux-c288b85554097a3d1271f935c48b442280b2db9e.zip
mmc: check for > 1 clk_requests when disabling gating
Since we make sure the clock is enabled in the mmc_host_clk_exit() function we should expect a reference counter of 1, not 0. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Tested-by: Chris Ball <cjb@laptop.org> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/core/host.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 92e33703e437..b3ac6c5bc5c6 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -235,7 +235,8 @@ static inline void mmc_host_clk_exit(struct mmc_host *host)
mmc_host_clk_gate_delayed(host);
if (host->clk_gated)
mmc_host_clk_ungate(host);
- BUG_ON(host->clk_requests > 0);
+ /* There should be only one user now */
+ WARN_ON(host->clk_requests > 1);
}
#else