[PATCH] tty: serial: 8250_core: restore the LCR register in set_sleep
From: khilman@kernel.org (Kevin Hilman)
Date: 2014-10-16 07:21:23
Also in:
linux-serial, lkml
Possibly related (same subject, not in this thread)
- 2014-10-17 · Re: [PATCH] tty: serial: 8250_core: restore the LCR register in set_sleep · Sudhir Sreedharan <hidden>
- 2014-10-16 · Re: [PATCH] tty: serial: 8250_core: restore the LCR register in set_sleep · Peter Hurley <hidden>
- 2014-10-15 · [PATCH] tty: serial: 8250_core: restore the LCR register in set_sleep · Sudhir Sreedharan <hidden>
Sudhir Sreedharan [off-list ref] writes:
In ST16650V2 based serial uarts, while initalizing the PM state, LCR registers are being initialized to 0 in serial8250_set_sleep(). If console port is already initialized and being used, this will throws garbage in the console. Signed-off-by: Sudhir Sreedharan <redacted>
Since this caused regressions in -next last time, could you describe how this was tested, and on what platforms? Thanks, Kevin