[U-Boot] [PATCH] mmc: postponed needless timer initialization

[Mateusz Zalega]

mmc_init() doesn't call get_timer() anymore if MMC is already
initialized.

Change-Id: Iec694abe3315d146d35dc130ad80b73dffd0983b
Signed-off-by: Mateusz Zalega <m.zalega at samsung.com>
Cc: Pantelis Antoniou <panto at antoniou-consulting.com>
---
Detached from earlier "DFU, MMC, Gadget, Goni, misc." series because of lack
of relevance to other patches.

There were no changes since the first version of this patch.
---
 drivers/mmc/mmc.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 16051e5..c93dc24 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1310,15 +1310,18 @@ static int mmc_complete_init(struct mmc *mmc)
 int mmc_init(struct mmc *mmc)
 {
 	int err = IN_PROGRESS;
-	unsigned start = get_timer(0);
+	unsigned start;
 
 	if (mmc->has_init)
 		return 0;
+
+	start = get_timer(0);
+
 	if (!mmc->init_in_progress)
 		err = mmc_start_init(mmc);
-
 	if (!err || err == IN_PROGRESS)
 		err = mmc_complete_init(mmc);
+
 	debug("%s: %d, time %lu\n", __func__, err, get_timer(start));
 	return err;
 }
-- 
1.9.0