| commit | 8c8f74f327a76604a499fad8c54c15e1c0ee8051 | |
| author | Peter Rosin <peda@axentia.se> | |
| Wed, 20 Jun 2018 05:18:02 +0000 (20 07:18 +0200) | ||
| committer | Wolfram Sang <wsa@the-dreams.de> | |
| Thu, 12 Jul 2018 22:09:36 +0000 (13 00:09 +0200) | ||
| tree | 146082cdd422d2effe9714514170e520d6324933 | treesnapshot (tar.gz zip) |
| parent | 581733e619ad66908e02351f8a412d04149a2e90 | commitdiff |
mfd: 88pm860x-i2c: switch to i2c_lock_bus(..., I2C_LOCK_SEGMENT)
Locking the root adapter for __i2c_transfer will deadlock if the
device sits behind a mux-locked I2C mux. Switch to the finer-grained
i2c_lock_bus with the I2C_LOCK_SEGMENT flag. If the device does not
sit behind a mux-locked mux, the two locking variants are equivalent.
Signed-off-by: Peter Rosin <peda@axentia.se>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Locking the root adapter for __i2c_transfer will deadlock if the
device sits behind a mux-locked I2C mux. Switch to the finer-grained
i2c_lock_bus with the I2C_LOCK_SEGMENT flag. If the device does not
sit behind a mux-locked mux, the two locking variants are equivalent.
Signed-off-by: Peter Rosin <peda@axentia.se>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
| drivers/mfd/88pm860x-i2c.c | diffblobblamehistory |