Some gpio chips may have get/set operations that
can sleep. For this type of chips we must use the
_cansleep() version of gpio_set_value.
Signed-off-by: Ionut Nicu <ioan.nicu.ext@xxxxxxx>
---
drivers/i2c/muxes/i2c-mux-gpio.c | 11 ++++++++---
1 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c
index a764da7..b5f17ef 100644
--- a/drivers/i2c/muxes/i2c-mux-gpio.c
+++ b/drivers/i2c/muxes/i2c-mux-gpio.c
@@ -27,11 +27,16 @@ struct gpiomux {
static void i2c_mux_gpio_set(const struct gpiomux *mux, unsigned val)
{
+ unsigned gpio;
int i;
- for (i = 0; i < mux->data.n_gpios; i++)
- gpio_set_value(mux->gpio_base + mux->data.gpios[i],
- val & (1 << i));
+ for (i = 0; i < mux->data.n_gpios; i++) {
+ gpio = mux->gpio_base + mux->data.gpios[i];
+ if (gpio_cansleep(gpio))
+ gpio_set_value_cansleep(gpio, val & (1 << i));
+ else
+ gpio_set_value(gpio, val & (1 << i));
+ }
}
static int i2c_mux_gpio_select(struct i2c_adapter *adap, void *data, u32 chan)
--
1.7.1
--
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