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-rw-r--r--drivers/mmc/mmc.c15
-rw-r--r--include/linux/mmc/host.h3
2 files changed, 17 insertions, 1 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 9ffeeb2cba4..0242c6a21da 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1550,6 +1550,12 @@ static void mmc_setup(struct mmc_host *host)
*/
void mmc_detect_change(struct mmc_host *host, unsigned long delay)
{
+#ifdef CONFIG_MMC_DEBUG
+ mmc_claim_host(host);
+ BUG_ON(host->removed);
+ mmc_release_host(host);
+#endif
+
mmc_schedule_delayed_work(&host->detect, delay);
}
@@ -1690,6 +1696,14 @@ void mmc_remove_host(struct mmc_host *host)
{
struct list_head *l, *n;
+#ifdef CONFIG_MMC_DEBUG
+ mmc_claim_host(host);
+ host->removed = 1;
+ mmc_release_host(host);
+#endif
+
+ mmc_flush_scheduled_work();
+
list_for_each_safe(l, n, &host->cards) {
struct mmc_card *card = mmc_list_to_card(l);
@@ -1710,7 +1724,6 @@ EXPORT_SYMBOL(mmc_remove_host);
*/
void mmc_free_host(struct mmc_host *host)
{
- mmc_flush_scheduled_work();
mmc_free_host_sysfs(host);
}
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index c89f4109130..92efe8e5be7 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;
};