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

   1 From 81d112d6c0e16fd0136ce2c5f511ba81ed1f23d2 Mon Sep 17 00:00:00 2001
   2 From: Paul Cercueil <paul@crapouillou.net>
   3 Date: Sun, 3 Jun 2012 13:07:19 +0200
   4 Subject: [PATCH 05/16] MMC: JZ4740: Fix handling of read errors.
   5
   6 For no reason, the code handling write errors was implemented while
   7 the code handling read errors was missing.
   8
   9 Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
  10 ---
  11  drivers/mmc/host/jz4740_mmc.c |    8 ++++++++
  12  1 file changed, 8 insertions(+)
  13
  14 diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c
  15 index 5a6ac99..ffe1181 100644
  16 --- a/drivers/mmc/host/jz4740_mmc.c
  17 +++ b/drivers/mmc/host/jz4740_mmc.c
  18 @@ -231,6 +231,14 @@ static void jz4740_mmc_transfer_check_state(struct jz4740_mmc_host *host,
  19                         host->req->cmd->error = -EIO;
  20                         data->error = -EIO;
  21                 }
  22 +       } else if (status & JZ_MMC_STATUS_READ_ERROR_MASK) {
  23 +               if (status & (JZ_MMC_STATUS_TIMEOUT_READ)) {
  24 +                       host->req->cmd->error = -ETIMEDOUT;
  25 +                       data->error = -ETIMEDOUT;
  26 +               } else {
  27 +                       host->req->cmd->error = -EIO;
  28 +                       data->error = -EIO;
  29 +               }
  30         }
  31  }
  32
  33 --
  34 1.7.10.4
  35