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authorSan Mehat <san@android.com>2008-12-01 08:52:34 -0800
committerColin Cross <ccross@android.com>2012-02-14 11:26:13 -0800
commitce8cae08681cd5049542a0a98aecefc29495eee3 (patch)
tree0de039794b373c27b0726a89e688e367297f83a7 /drivers
parent6efc9dd9b7b8c9214975cd73fd91e1520658351e (diff)
mmc: sd: When resuming, try a little harder to init the card
Signed-off-by: San Mehat <san@android.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mmc/core/sd.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index eeae54163a8..fd237eaea2e 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -1104,12 +1104,31 @@ static int mmc_sd_suspend(struct mmc_host *host)
static int mmc_sd_resume(struct mmc_host *host)
{
int err;
+#ifdef CONFIG_MMC_PARANOID_SD_INIT
+ int retries;
+#endif
BUG_ON(!host);
BUG_ON(!host->card);
mmc_claim_host(host);
+#ifdef CONFIG_MMC_PARANOID_SD_INIT
+ retries = 5;
+ while (retries) {
+ err = mmc_sd_init_card(host, host->ocr, host->card);
+
+ if (err) {
+ printk(KERN_ERR "%s: Re-init card rc = %d (retries = %d)\n",
+ mmc_hostname(host), err, retries);
+ mdelay(5);
+ retries--;
+ continue;
+ }
+ break;
+ }
+#else
err = mmc_sd_init_card(host, host->ocr, host->card);
+#endif
mmc_release_host(host);
return err;