From 5abfc594fd26198df957a5710c026d8be6de4f5e Mon Sep 17 00:00:00 2001 From: Jerry Huang Date: Mon, 5 Dec 2011 14:28:31 +0800 Subject: [PATCH 1/4 v3] MMC/core: Add f_min to mmc_power_on() When f_init is zero, the SDHC can't work correctly. So f_min will replace f_init, when f_init is zero. Signed-off-by: Jerry Huang CC: Chris Ball --- changes for v2: - add the CC changes for v3: - enalbe the controller clock in platform, instead of core drivers/mmc/core/core.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index a08e6b1..2d40c04 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -1253,7 +1253,10 @@ static void mmc_power_up(struct mmc_host *host) */ mmc_delay(10); - host->ios.clock = host->f_init; + if (host->f_init) + host->ios.clock = host->f_init; + else + host->ios.clock = host->f_min; host->ios.power_mode = MMC_POWER_ON; mmc_set_ios(host); -- 1.7.5.4