diff options
Diffstat (limited to 'drivers/i2c/imx_lpi2c.c')
| -rw-r--r-- | drivers/i2c/imx_lpi2c.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/i2c/imx_lpi2c.c b/drivers/i2c/imx_lpi2c.c index e159e3307d..018b2b6eba 100644 --- a/drivers/i2c/imx_lpi2c.c +++ b/drivers/i2c/imx_lpi2c.c @@ -20,6 +20,8 @@ DECLARE_GLOBAL_DATA_PTR; #define LPI2C_NACK_TOUT_MS 1 #define LPI2C_TIMEOUT_MS 100 +static int bus_i2c_init(struct udevice *bus, int speed); + /* Weak linked function for overridden by some SoC power function */ int __weak init_i2c_power(unsigned i2c_num) { @@ -168,7 +170,14 @@ static int bus_i2c_start(struct udevice *bus, u8 addr, u8 dir) result = imx_lpci2c_check_busy_bus(bus); if (result) { debug("i2c: start check busy bus: 0x%x\n", result); - return result; + + /* Try to init the lpi2c then check the bus busy again */ + bus_i2c_init(bus, 100000); + result = imx_lpci2c_check_busy_bus(bus); + if (result) { + printf("i2c: Error check busy bus: 0x%x\n", result); + return result; + } } /* clear all status flags */ writel(0x7f00, ®s->msr); |