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mmc: sdhci-esdhc-imx: fix timeout on i.MX's sdhci

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This patch fixes timeout problems on i.MX's sdhci as suggested by
Richard Zhu.

Tested on:
- i.MX257: not needed
- i.MX357: needed
- i.MX515: needed

More details can be found here:
http://lists.infradead.org/pipermail/linux-arm-kernel/2010-October/029748.html

Signed-off-by: Eric Bénard <eric@eukrea.com>
Tested-by: Shawn Guo <shawn.gsc@gmail.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Eric Bénard 2010-10-23 01:57:21 +02:00 committed by Chris Ball
parent 5f619704d1
commit 37865fe915
1 changed files with 4 additions and 0 deletions
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4
drivers/mmc/host/sdhci-esdhc-imx.c
View file

@ -17,6 +17,7 @@
#include <linux/clk.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sdhci-pltfm.h>
#include <mach/hardware.h>
#include "sdhci.h"
#include "sdhci-pltfm.h"
#include "sdhci-esdhc.h"
@ -112,6 +113,9 @@ static int esdhc_pltfm_init(struct sdhci_host *host, struct sdhci_pltfm_data *pd
clk_enable(clk);
pltfm_host->clk = clk;
if (cpu_is_mx35() || cpu_is_mx51())
host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
return 0;
}