diff options
| author | Jarkko Nikula <jarkko.nikula@linux.intel.com> | 2017-08-23 16:46:12 +0300 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2017-11-27 18:30:13 +0100 |
| commit | 43df43e6ba139e6cd77ea31ca27efc67ea2df44b (patch) | |
| tree | 75816aa58ad862e6ed2a75d2bff55b21d0afd8d4 /drivers/i2c/busses/i2c-designware-platdrv.c | |
| parent | 4fbd8d194f06c8a3fd2af1ce560ddb31f7ec8323 (diff) | |
| download | linux-43df43e6ba139e6cd77ea31ca27efc67ea2df44b.tar.bz2 | |
i2c: designware: Don't set SCL timings and speed mode when in slave mode
According to data sheet SCL timing parameters and DW_IC_CON SPEED mode
bits are not used when operating in slave mode.
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Tested-by: Luis Oliveira <lolivei@synopsys.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c/busses/i2c-designware-platdrv.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-designware-platdrv.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 58add69a441c..293f586d78d2 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -201,17 +201,6 @@ static void i2c_dw_configure_slave(struct dw_i2c_dev *dev) DW_IC_CON_RESTART_EN | DW_IC_CON_STOP_DET_IFADDRESSED; dev->mode = DW_IC_SLAVE; - - switch (dev->clk_freq) { - case 100000: - dev->slave_cfg |= DW_IC_CON_SPEED_STD; - break; - case 3400000: - dev->slave_cfg |= DW_IC_CON_SPEED_HIGH; - break; - default: - dev->slave_cfg |= DW_IC_CON_SPEED_FAST; - } } static int i2c_dw_plat_prepare_clk(struct dw_i2c_dev *i_dev, bool prepare) |