| commit | 8a949b07e4062cbd07e04e6a47249e69ca65b944 | [log] [tgz] |
|---|---|---|
| author | Peter Hurley <peter@hurleysoftware.com> | Tue Sep 02 17:39:19 2014 -0400 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Mon Sep 08 16:23:36 2014 -0700 |
| tree | fd8cfdd636e4bd27bcf6c3af31da41149d3139e4 | |
| parent | 16020b989ac72b0b02654612a7b70398a7faac21 [diff] |
serial: core: Document lock requirement for UPF_* flags updates The flags field of struct uart_port can only be safely modified if the port mutex is held; no other lock prevents concurrent changes from corrupting the field. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>