openwrt/target/linux/xburst/patches-3.10/005-MMC-JZ4740-Fix-handling-of-read-errors.patch

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;
+		}
 	}
 }