[U-Boot] [PATCH v2 11/12] mmc: postponed needless timer initialization
Mateusz Zalega
m.zalega at samsung.com
Tue Feb 4 18:02:43 CET 2014
mmc_init() doesn't call get_timer() anymore if MMC is already
initialized.
Signed-off-by: Mateusz Zalega <m.zalega at samsung.com>
Cc: Pantelis Antoniou <panto at antoniou-consulting.com>
Cc: Minkyu Kang <mk7.kang at samsung.com>
---
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 c6a1c23..730ae01 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1279,15 +1279,18 @@ 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;
}
--
1.8.2.1
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