| commit | 5d4c7977499a736f3f80826bdc9744344ad55589 | [log] [tgz] |
|---|---|---|
| author | Atsushi Nemoto <atsushi.nemoto@sord.co.jp> | Fri May 08 22:12:48 2020 +0900 |
| committer | Wolfram Sang <wsa@kernel.org> | Fri May 15 11:23:49 2020 +0200 |
| tree | 4524c52e9cb2888ab5568013795cb54a9b9252d9 | |
| parent | ab7cf7e53ccf1fecec6b72d1a3a13ff88193b490 [diff] |
i2c: altera: Fix race between xfer_msg and isr thread Use a mutex to protect access to idev->msg_len, idev->buf, etc. which are modified by both altr_i2c_xfer_msg() and altr_i2c_isr(). This is the minimal fix for easy backporting. A cleanup to remove the spinlock will be added later. Signed-off-by: Atsushi Nemoto <atsushi.nemoto@sord.co.jp> Acked-by: Thor Thayer <thor.thayer@linux.intel.com> [wsa: updated commit message] Signed-off-by: Wolfram Sang <wsa@kernel.org>