From 79bccc5aefb4e64e651abe04f78c3e6bf8acd6f0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jos=C3=A9=20M=2E=20Fern=C3=A1ndez?= <josemariafg@gmail.com> Date: Tue, 10 Mar 2009 02:21:21 +0100 Subject: [PATCH] mmc: increase power up delay MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The TI controller on Toshiba Tecra M5 needs more time to power up or the cards will init incorrectly or not at all. Signed-off-by: José M. Fernández <josemariafg@gmail.com> Signed-off-by: Pierre Ossman <pierre@ossman.eu> --- drivers/mmc/core/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index fa073ab3fa34..264911732756 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -706,7 +706,7 @@ static void mmc_power_up(struct mmc_host *host) * This delay should be sufficient to allow the power supply * to reach the minimum voltage. */ - mmc_delay(2); + mmc_delay(10); host->ios.clock = host->f_min; host->ios.power_mode = MMC_POWER_ON; @@ -716,7 +716,7 @@ static void mmc_power_up(struct mmc_host *host) * This delay must be at least 74 clock sizes, or 1 ms, or the * time required to reach a stable voltage. */ - mmc_delay(2); + mmc_delay(10); } static void mmc_power_off(struct mmc_host *host) -- GitLab