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sdhci: correct f_min in sd 3.0

Message ID AANLkTimp+4V9zvQtOqHoVmpH-+Vmb+0Sr1MzM-cNHAiC@mail.gmail.com (mailing list archive)
State Rejected, archived
Headers show

Commit Message

Zhangfei Gao Sept. 20, 2010, 7:32 a.m. UTC 
None
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Patch

From 83140093bbcd325605135c23740b30b6eeec778f Mon Sep 17 00:00:00 2001
From: Zhangfei Gao <zhangfei.gao@marvell.com>
Date: Mon, 20 Sep 2010 15:15:18 -0400
Subject: [PATCH 4/4] sdhci: correct f_min in sd 3.0

Change-Id: Ie8604dbb5296b15da67071164564f21c60652b60

Signed-off-by: Zhangfei Gao <zhangfei.gao@marvell.com>
---
 drivers/mmc/host/sdhci.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index f980fb7..5346803 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1835,6 +1835,8 @@  int sdhci_add_host(struct sdhci_host *host)
 	mmc->ops = &sdhci_ops;
 	if (host->ops->get_min_clock)
 		mmc->f_min = host->ops->get_min_clock(host);
+	else if (host->version >= SDHCI_SPEC_300)
+		mmc->f_min = host->max_clk / 2046;
 	else
 		mmc->f_min = host->max_clk / 256;
 	mmc->f_max = host->max_clk;
-- 
1.7.0.4