code.ossystems Code Review - openembedded-core.git/blob

   1 From b766d59f044858ed3d149e97619a0bf5cc2873f3 Mon Sep 17 00:00:00 2001
   2 From: Priya Vijayan <priya.vijayan@intel.com>
   3 Date: Tue, 27 Apr 2010 13:23:28 -0700
   4 Subject: [PATCH] workaround  for aava KOSKI
   5
   6 Signed-off-by: Priya Vijayan <priya.vijayan@intel.com>
   7 ---
   8  drivers/i2c/busses/i2c-mrst.c |    3 +++
   9  1 files changed, 3 insertions(+), 0 deletions(-)
  10
  11 diff --git a/drivers/i2c/busses/i2c-mrst.c b/drivers/i2c/busses/i2c-mrst.c
  12 index e591a90..0737f42 100644
  13 --- a/drivers/i2c/busses/i2c-mrst.c
  14 +++ b/drivers/i2c/busses/i2c-mrst.c
  15 @@ -217,6 +217,7 @@ static int mrst_i2c_disable(struct i2c_adapter *adap)
  16                 dev_dbg(&adap->dev, "i2c is busy, count is %d\n", count);
  17                 if (count++ > 10000)
  18                         return -EBUSY;
  19 +               udelay(10);
  20         }
  21
  22         /* Set IC_ENABLE to 0 */
  23 @@ -468,6 +469,7 @@ static int xfer_read(struct i2c_adapter *adap, unsigned char *buf, int length)
  24                         reg_val = mrst_i2c_read(i2c->base + IC_STATUS);
  25                         if (count++ > MAX_T_POLL_COUNT)
  26                                 goto read_loop;
  27 +                       udelay(10);
  28                 }
  29
  30                 reg_val = mrst_i2c_read(i2c->base + IC_DATA_CMD);
  31 @@ -522,6 +524,7 @@ static int xfer_write(struct i2c_adapter *adap,
  32         while ((reg_val & bit_get) == 0) {
  33                 if (count++ > MAX_T_POLL_COUNT)
  34                         goto write_loop;
  35 +               udelay(10);
  36                 reg_val = mrst_i2c_read(i2c->base + IC_STATUS);
  37         }
  38
  39 --
  40 1.6.2.2
  41