mmc: be more verbose about card insertions/removal

Let the user know that the kernel actually detected the card
by printing some basic information in dmesg.

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

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index cd0c6b246fed..f606b6678b00 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -556,8 +556,10 @@ int mmc_attach_mmc(struct mmc_host *host, u32 ocr)
         /*
          * Can we support the voltage of the card?
          */
-        if (!host->ocr)
+        if (!host->ocr) {
+                err = -EINVAL;
                 goto err;
+        }
 
         /*
          * Detect and init the card.
@@ -582,6 +584,9 @@ err:
         mmc_detach_bus(host);
         mmc_release_host(host);
 
+        printk(KERN_ERR "%s: error %d whilst initialising MMC card\n",
+                mmc_hostname(host), err);
+
         return 0;
 }