diff options
Diffstat (limited to 'drivers/i2c/i2c-gpio.c')
| -rw-r--r-- | drivers/i2c/i2c-gpio.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/i2c/i2c-gpio.c b/drivers/i2c/i2c-gpio.c index 387f00b2cd..a301a4460b 100644 --- a/drivers/i2c/i2c-gpio.c +++ b/drivers/i2c/i2c-gpio.c @@ -50,9 +50,10 @@ static void i2c_gpio_sda_set(struct i2c_gpio_bus *bus, int bit) struct gpio_desc *sda = &bus->gpios[PIN_SDA]; if (bit) - dm_gpio_set_dir_flags(sda, GPIOD_IS_IN); + sda->flags = (sda->flags & ~GPIOD_IS_OUT) | GPIOD_IS_IN; else - dm_gpio_set_dir_flags(sda, GPIOD_IS_OUT); + sda->flags = (sda->flags & (~GPIOD_IS_IN & ~GPIOD_IS_OUT_ACTIVE)) | GPIOD_IS_OUT; + dm_gpio_set_dir(sda); } static void i2c_gpio_scl_set(struct i2c_gpio_bus *bus, int bit) @@ -61,14 +62,16 @@ static void i2c_gpio_scl_set(struct i2c_gpio_bus *bus, int bit) int count = 0; if (bit) { - dm_gpio_set_dir_flags(scl, GPIOD_IS_IN); + scl->flags = (scl->flags & ~GPIOD_IS_OUT) | GPIOD_IS_IN; + dm_gpio_set_dir(scl); while (!dm_gpio_get_value(scl) && count++ < 100000) udelay(1); if (!dm_gpio_get_value(scl)) pr_err("timeout waiting on slave to release scl\n"); } else { - dm_gpio_set_dir_flags(scl, GPIOD_IS_OUT); + scl->flags = (scl->flags & (~GPIOD_IS_IN & ~GPIOD_IS_OUT_ACTIVE)) | GPIOD_IS_OUT; + dm_gpio_set_dir(scl); } } @@ -76,11 +79,11 @@ static void i2c_gpio_scl_set(struct i2c_gpio_bus *bus, int bit) static void i2c_gpio_scl_set_output_only(struct i2c_gpio_bus *bus, int bit) { struct gpio_desc *scl = &bus->gpios[PIN_SCL]; - ulong flags = GPIOD_IS_OUT; + scl->flags = (scl->flags & (~GPIOD_IS_IN & ~GPIOD_IS_OUT_ACTIVE)) | GPIOD_IS_OUT; if (bit) - flags |= GPIOD_IS_OUT_ACTIVE; - dm_gpio_set_dir_flags(scl, flags); + scl->flags |= GPIOD_IS_OUT_ACTIVE; + dm_gpio_set_dir(scl); } static void i2c_gpio_write_bit(struct i2c_gpio_bus *bus, int delay, uchar bit) |