diff options
| -rw-r--r-- | drivers/i2c/busses/i2c-designware-master.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c index 2b671ca3f972..fc7c255c80af 100644 --- a/drivers/i2c/busses/i2c-designware-master.c +++ b/drivers/i2c/busses/i2c-designware-master.c @@ -48,7 +48,7 @@ static void i2c_dw_configure_fifo_master(struct dw_i2c_dev *dev) static int i2c_dw_set_timings_master(struct dw_i2c_dev *dev) { u32 ic_clk = i2c_dw_clk_rate(dev); - const char *fp_str = ""; + const char *mode_str, *fp_str = ""; u32 comp_param1; u32 sda_falling_time, scl_falling_time; int ret; @@ -132,7 +132,24 @@ static int i2c_dw_set_timings_master(struct dw_i2c_dev *dev) } } - return i2c_dw_set_sda_hold(dev); + ret = i2c_dw_set_sda_hold(dev); + if (ret) + goto out; + + switch (dev->master_cfg & DW_IC_CON_SPEED_MASK) { + case DW_IC_CON_SPEED_STD: + mode_str = "Standard Mode"; + break; + case DW_IC_CON_SPEED_HIGH: + mode_str = "High Speed Mode"; + break; + default: + mode_str = "Fast Mode"; + } + dev_dbg(dev->dev, "Bus speed: %s%s\n", mode_str, fp_str); + +out: + return ret; } /** |