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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-15 10:18:36 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-15 10:18:36 -0700
commit5a2b3ef4559f3d0ef58cbfb723f528f1c6b2e601 (patch)
tree3421b2051cec89dcdf98b71f100837698f149ade
parentc9192798b9318a4b3f96c41ae27805cc8b46b7ee (diff)
parent1c8cf9c997a4a6b36e907c7ede5f048aeaab1644 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: mmc: sdio: fix SDIO suspend/resume regression
-rw-r--r--drivers/mmc/core/core.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 5db49b124ffa..09eee6df0653 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1631,6 +1631,19 @@ int mmc_suspend_host(struct mmc_host *host)
if (host->bus_ops && !host->bus_dead) {
if (host->bus_ops->suspend)
err = host->bus_ops->suspend(host);
+ if (err == -ENOSYS || !host->bus_ops->resume) {
+ /*
+ * We simply "remove" the card in this case.
+ * It will be redetected on resume.
+ */
+ if (host->bus_ops->remove)
+ host->bus_ops->remove(host);
+ mmc_claim_host(host);
+ mmc_detach_bus(host);
+ mmc_release_host(host);
+ host->pm_flags = 0;
+ err = 0;
+ }
}
mmc_bus_put(host);

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