mmc: Flush pending detects on host removal

Make sure we kill of any pending detection runs when the host
is removed instead of when it is freed. Also add some debugging
to make sure the driver doesn't queue up more detection after it
has removed the host.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index c89f41091304..92efe8e5be7e 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -147,6 +147,9 @@ struct mmc_host {
         struct mmc_card         *card_selected; /* the selected MMC card */
 
         struct delayed_work     detect;
+#ifdef CONFIG_MMC_DEBUG
+        unsigned int            removed:1;      /* host is being removed */
+#endif
 
         unsigned long           private[0] ____cacheline_aligned;
 };