mirror of
https://git.yoctoproject.org/meta-ti
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Koen Kooi
4e18d70247
This patchset is managed in https://github.com/beagleboard/kernel/tree/beagleboard-3.2 by Robert Nelson and myself. Tested on beagleboard-xM/Angstrom Signed-off-by: Koen Kooi <koen@dominion.thruhere.net> Signed-off-by: Denys Dmytriyenko <denys@ti.com>
31 lines
1014 B
Diff
31 lines
1014 B
Diff
From c329d9c39d444411d2fbd76b38823ae3f524a688 Mon Sep 17 00:00:00 2001
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From: Steve Sakoman <steve@sakoman.com>
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Date: Wed, 12 Jan 2011 05:54:55 -0800
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Subject: [PATCH 3/3] omap: mmc: Adjust dto to eliminate timeout errors
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A number of SD card types were experiencing timeout errors. This
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could also lead to data corruption in some cases.
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This fix proposed by Sukumar Ghoral of TI.
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Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
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---
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drivers/mmc/host/omap_hsmmc.c | 1 +
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1 files changed, 1 insertions(+), 0 deletions(-)
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diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
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index d5fe43d..f190d63 100644
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--- a/drivers/mmc/host/omap_hsmmc.c
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+++ b/drivers/mmc/host/omap_hsmmc.c
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@@ -1513,6 +1513,7 @@ static void set_data_timeout(struct omap_hsmmc_host *host,
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cycle_ns = 1000000000 / (clk_get_rate(host->fclk) / clkd);
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timeout = timeout_ns / cycle_ns;
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timeout += timeout_clks;
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+ timeout *= 2;
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if (timeout) {
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while ((timeout & 0x80000000) == 0) {
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dto += 1;
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--
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1.7.7.4
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