| commit | abe41184abac487264a4904bfcff2d5500dccce6 | |
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | |
| Tue, 10 Jul 2018 21:42:15 +0000 (10 23:42 +0200) | ||
| committer | Wolfram Sang <wsa@the-dreams.de> | |
| Thu, 12 Jul 2018 21:38:18 +0000 (12 23:38 +0200) | ||
| tree | 079664694459227f87514f271b64267315e46e3b | treesnapshot (tar.gz zip) |
| parent | 54836e2d03e76d80aec3399368ffaf5b7caadd1b | commitdiff |
i2c: recovery: if possible send STOP with recovery pulses
I2C clients may misunderstand recovery pulses if they can't read SDA to
bail out early. In the worst case, as a write operation. To avoid that
and if we can write SDA, try to send STOP to avoid the
misinterpretation.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
I2C clients may misunderstand recovery pulses if they can't read SDA to
bail out early. In the worst case, as a write operation. To avoid that
and if we can write SDA, try to send STOP to avoid the
misinterpretation.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
| drivers/i2c/i2c-core-base.c | diffblobblamehistory |