diff options
| -rw-r--r-- | drivers/i2c/designware_i2c.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/i2c/designware_i2c.c b/drivers/i2c/designware_i2c.c index 34b6816545..6e5545cd0c 100644 --- a/drivers/i2c/designware_i2c.c +++ b/drivers/i2c/designware_i2c.c @@ -52,17 +52,20 @@ static int dw_i2c_enable(struct i2c_regs *i2c_base, bool enable) * * Set the i2c speed. */ -static unsigned int __dw_i2c_set_bus_speed(struct i2c_regs *i2c_base, - struct dw_scl_sda_cfg *scl_sda_cfg, +static unsigned int __dw_i2c_set_bus_speed(struct dw_i2c *priv, + struct i2c_regs *i2c_base, unsigned int speed, unsigned int bus_clk) { + const struct dw_scl_sda_cfg *scl_sda_cfg = NULL; ulong bus_khz = bus_clk / 1000; enum i2c_speed_mode i2c_spd; unsigned int cntl; unsigned int hcnt, lcnt; unsigned int ena; + if (priv) + scl_sda_cfg = priv->scl_sda_cfg; /* Allow high speed if there is no config, or the config allows it */ if (speed >= I2C_HIGH_SPEED && (!scl_sda_cfg || scl_sda_cfg->has_high_speed)) @@ -371,7 +374,7 @@ static int __dw_i2c_init(struct i2c_regs *i2c_base, int speed, int slaveaddr) writel(IC_TX_TL, &i2c_base->ic_tx_tl); writel(IC_STOP_DET, &i2c_base->ic_intr_mask); #ifndef CONFIG_DM_I2C - __dw_i2c_set_bus_speed(i2c_base, NULL, speed, IC_CLK); + __dw_i2c_set_bus_speed(NULL, i2c_base, speed, IC_CLK); writel(slaveaddr, &i2c_base->ic_sar); #endif @@ -416,7 +419,7 @@ static unsigned int dw_i2c_set_bus_speed(struct i2c_adapter *adap, unsigned int speed) { adap->speed = speed; - return __dw_i2c_set_bus_speed(i2c_get_base(adap), NULL, speed, IC_CLK); + return __dw_i2c_set_bus_speed(NULL, i2c_get_base(adap), speed, IC_CLK); } static void dw_i2c_init(struct i2c_adapter *adap, int speed, int slaveaddr) @@ -515,8 +518,7 @@ static int designware_i2c_set_bus_speed(struct udevice *bus, unsigned int speed) #else rate = IC_CLK; #endif - return __dw_i2c_set_bus_speed(i2c->regs, i2c->scl_sda_cfg, speed, - rate); + return __dw_i2c_set_bus_speed(i2c, i2c->regs, speed, rate); } static int designware_i2c_probe_chip(struct udevice *bus, uint chip_addr, |