diff options
Diffstat (limited to 'drivers/i2c')
-rw-r--r-- | drivers/i2c/i2c-gpio.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/i2c/i2c-gpio.c b/drivers/i2c/i2c-gpio.c index a301a4460b..cf8f8f4035 100644 --- a/drivers/i2c/i2c-gpio.c +++ b/drivers/i2c/i2c-gpio.c @@ -48,12 +48,13 @@ static int i2c_gpio_sda_get(struct i2c_gpio_bus *bus) static void i2c_gpio_sda_set(struct i2c_gpio_bus *bus, int bit) { struct gpio_desc *sda = &bus->gpios[PIN_SDA]; + ulong flags; if (bit) - sda->flags = (sda->flags & ~GPIOD_IS_OUT) | GPIOD_IS_IN; + flags = GPIOD_IS_IN; else - sda->flags = (sda->flags & (~GPIOD_IS_IN & ~GPIOD_IS_OUT_ACTIVE)) | GPIOD_IS_OUT; - dm_gpio_set_dir(sda); + flags = GPIOD_IS_OUT; + dm_gpio_clrset_flags(sda, GPIOD_MASK_DIR, flags); } static void i2c_gpio_scl_set(struct i2c_gpio_bus *bus, int bit) @@ -62,16 +63,14 @@ static void i2c_gpio_scl_set(struct i2c_gpio_bus *bus, int bit) int count = 0; if (bit) { - scl->flags = (scl->flags & ~GPIOD_IS_OUT) | GPIOD_IS_IN; - dm_gpio_set_dir(scl); + dm_gpio_clrset_flags(scl, GPIOD_MASK_DIR, GPIOD_IS_IN); 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 { - scl->flags = (scl->flags & (~GPIOD_IS_IN & ~GPIOD_IS_OUT_ACTIVE)) | GPIOD_IS_OUT; - dm_gpio_set_dir(scl); + dm_gpio_clrset_flags(scl, GPIOD_MASK_DIR, GPIOD_IS_OUT); } } @@ -79,11 +78,11 @@ 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]; - scl->flags = (scl->flags & (~GPIOD_IS_IN & ~GPIOD_IS_OUT_ACTIVE)) | GPIOD_IS_OUT; + ulong flags = GPIOD_IS_OUT; if (bit) - scl->flags |= GPIOD_IS_OUT_ACTIVE; - dm_gpio_set_dir(scl); + flags |= GPIOD_IS_OUT_ACTIVE; + dm_gpio_clrset_flags(scl, GPIOD_MASK_DIR, flags); } static void i2c_gpio_write_bit(struct i2c_gpio_bus *bus, int delay, uchar bit) |