diff options
| -rw-r--r-- | common/i2c_controller.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/common/i2c_controller.c b/common/i2c_controller.c index 09eb255a22..2e9e1b4b76 100644 --- a/common/i2c_controller.c +++ b/common/i2c_controller.c @@ -50,7 +50,7 @@ static mutex_t port_mutex[I2C_CONTROLLER_COUNT + I2C_BITBANG_PORT_COUNT]; /* A bitmap of the controllers which are currently servicing a request. */ -static uint32_t i2c_port_active_list; +static volatile uint32_t i2c_port_active_list; BUILD_ASSERT(ARRAY_SIZE(port_mutex) < 32); static uint8_t port_protected[I2C_PORT_COUNT + I2C_BITBANG_PORT_COUNT]; @@ -295,7 +295,7 @@ void i2c_lock(int port, int lock) /* Disable interrupt during changing counter for preemption. */ irq_lock_key = irq_lock(); - i2c_port_active_list |= 1 << port; + i2c_port_active_list |= BIT(port); /* EC cannot enter sleep if there's any i2c port active. */ disable_sleep(SLEEP_MASK_I2C_CONTROLLER); |