Re: [PATCH v4 16/18] i2c: allow adapter drivers to override the adapter locking
From: Peter Rosin <hidden>
Date: 2016-03-04 09:33:31
Also in:
linux-i2c, linux-iio, linux-media, lkml
Subsystem:
i2c subsystem, the rest · Maintainers:
Andi Shyti, Linus Torvalds
Hi! Here's a fixup for a problem found by the test robot. Sorry for the inconvenience. Cheers, Peter
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 6be266c3d39b..5ecc6fc52ce0 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c@@ -961,6 +961,8 @@ static int i2c_check_addr_busy(struct i2c_adapter *adapter, int addr) /** * i2c_adapter_lock_bus - Get exclusive access to an I2C bus segment * @adapter: Target I2C bus segment + * @flags: I2C_LOCK_ADAPTER locks the root i2c adapter, I2C_LOCK_SEGMENT + * locks only this branch in the adapter tree */ static void i2c_adapter_lock_bus(struct i2c_adapter *adapter, int flags) {
@@ -970,6 +972,8 @@ static void i2c_adapter_lock_bus(struct i2c_adapter *adapter, int flags) /** * i2c_adapter_trylock_bus - Try to get exclusive access to an I2C bus segment * @adapter: Target I2C bus segment + * @flags: I2C_LOCK_ADAPTER trylocks the root i2c adapter, I2C_LOCK_SEGMENT + * trylocks only this branch in the adapter tree */ static int i2c_adapter_trylock_bus(struct i2c_adapter *adapter, int flags) {
@@ -979,6 +983,8 @@ static int i2c_adapter_trylock_bus(struct i2c_adapter *adapter, int flags) /** * i2c_adapter_unlock_bus - Release exclusive access to an I2C bus segment * @adapter: Target I2C bus segment + * @flags: I2C_LOCK_ADAPTER unlocks the root i2c adapter, I2C_LOCK_SEGMENT + * unlocks only this branch in the adapter tree */ static void i2c_adapter_unlock_bus(struct i2c_adapter *adapter, int flags) {
--
2.1.4