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authorJens Axboe <jens.axboe@oracle.com>2010-03-19 08:05:10 +0100
committerJens Axboe <jens.axboe@oracle.com>2010-03-19 08:05:10 +0100
commitb4b7a4ef097f288f724420b473dbf92a89c0ab7e (patch)
tree23ad8101e3e77c32a8d1e1b95a9c1cd7f7a475b7 /drivers/i2c/busses/i2c-i801.c
parente9ce335df51ff782035a15c261a3c0c9892a1767 (diff)
parenta3d3203e4bb40f253b1541e310dc0f9305be7c84 (diff)
downloadop-kernel-dev-b4b7a4ef097f288f724420b473dbf92a89c0ab7e.zip
op-kernel-dev-b4b7a4ef097f288f724420b473dbf92a89c0ab7e.tar.gz
Merge branch 'master' into for-linus
Conflicts: block/Kconfig Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/i2c/busses/i2c-i801.c')
-rw-r--r--drivers/i2c/busses/i2c-i801.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 9da5b05..299b918 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -416,9 +416,11 @@ static int i801_block_transaction(union i2c_smbus_data *data, char read_write,
data->block[0] = 32; /* max for SMBus block reads */
}
+ /* Experience has shown that the block buffer can only be used for
+ SMBus (not I2C) block transactions, even though the datasheet
+ doesn't mention this limitation. */
if ((i801_features & FEATURE_BLOCK_BUFFER)
- && !(command == I2C_SMBUS_I2C_BLOCK_DATA
- && read_write == I2C_SMBUS_READ)
+ && command != I2C_SMBUS_I2C_BLOCK_DATA
&& i801_set_block_buffer_mode() == 0)
result = i801_block_transaction_by_block(data, read_write,
hwpec);
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