diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2012-07-25 14:33:45 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-07-25 14:35:04 +0200 |
| commit | 8cef081c71dd4e16a01a1e63cedab21eef8b5735 (patch) | |
| tree | b5b0fb5ab09dc60dee5fc8fd8e980359abbd1b1e /drivers/i2c/i2c-core.c | |
| parent | 3d55c29fb24286f350f04021bef2dd799e25dd20 (diff) | |
| parent | 9161c3b796a2841a9a7be3d9c9dd121269ce90e8 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into fixes
The merge of the 'clk-for-linus' branch caused an automated
merge failure. Pull that in here so we can fix the problem.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/i2c/i2c-core.c')
| -rw-r--r-- | drivers/i2c/i2c-core.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index a6ad32bc0a96..26488aa893d5 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -2122,7 +2122,7 @@ s32 i2c_smbus_xfer(struct i2c_adapter *adapter, u16 addr, unsigned short flags, int try; s32 res; - flags &= I2C_M_TEN | I2C_CLIENT_PEC; + flags &= I2C_M_TEN | I2C_CLIENT_PEC | I2C_CLIENT_SCCB; if (adapter->algo->smbus_xfer) { i2c_lock_adapter(adapter); @@ -2140,11 +2140,17 @@ s32 i2c_smbus_xfer(struct i2c_adapter *adapter, u16 addr, unsigned short flags, break; } i2c_unlock_adapter(adapter); - } else - res = i2c_smbus_xfer_emulated(adapter, addr, flags, read_write, - command, protocol, data); - return res; + if (res != -EOPNOTSUPP || !adapter->algo->master_xfer) + return res; + /* + * Fall back to i2c_smbus_xfer_emulated if the adapter doesn't + * implement native support for the SMBus operation. + */ + } + + return i2c_smbus_xfer_emulated(adapter, addr, flags, read_write, + command, protocol, data); } EXPORT_SYMBOL(i2c_smbus_xfer); |