openwrt/target/linux/xburst/patches-3.10/005-MMC-JZ4740-Fix-handling...

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Diff

From 81d112d6c0e16fd0136ce2c5f511ba81ed1f23d2 Mon Sep 17 00:00:00 2001
From: Paul Cercueil <paul@crapouillou.net>
Date: Sun, 3 Jun 2012 13:07:19 +0200
Subject: [PATCH 05/16] MMC: JZ4740: Fix handling of read errors.
For no reason, the code handling write errors was implemented while
the code handling read errors was missing.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
---
drivers/mmc/host/jz4740_mmc.c | 8 ++++++++
1 file changed, 8 insertions(+)
--- a/drivers/mmc/host/jz4740_mmc.c
+++ b/drivers/mmc/host/jz4740_mmc.c
@@ -231,6 +231,14 @@ static void jz4740_mmc_transfer_check_st
host->req->cmd->error = -EIO;
data->error = -EIO;
}
+ } else if (status & JZ_MMC_STATUS_READ_ERROR_MASK) {
+ if (status & (JZ_MMC_STATUS_TIMEOUT_READ)) {
+ host->req->cmd->error = -ETIMEDOUT;
+ data->error = -ETIMEDOUT;
+ } else {
+ host->req->cmd->error = -EIO;
+ data->error = -EIO;
+ }
}
}