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 --- a/drivers/mmc/host/jz4740_mmc.c
  15 +++ b/drivers/mmc/host/jz4740_mmc.c
  16 @@ -231,6 +231,14 @@ static void jz4740_mmc_transfer_check_st
  17                         host->req->cmd->error = -EIO;
  18                         data->error = -EIO;
  19                 }
  20 +       } else if (status & JZ_MMC_STATUS_READ_ERROR_MASK) {
  21 +               if (status & (JZ_MMC_STATUS_TIMEOUT_READ)) {
  22 +                       host->req->cmd->error = -ETIMEDOUT;
  23 +                       data->error = -ETIMEDOUT;
  24 +               } else {
  25 +                       host->req->cmd->error = -EIO;
  26 +                       data->error = -EIO;
  27 +               }
  28         }
  29  }
  30