Messages in this thread | | | Date | Thu, 16 Oct 2014 15:45:20 +0530 | Subject | Re: [PATCH] tty: serial: 8250_core: restore the LCR register in set_sleep | From | Sudhir Sreedharan <> |
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Hi Kevin,
On Thu, Oct 16, 2014 at 12:51 PM, Kevin Hilman <khilman@kernel.org> wrote: > Sudhir Sreedharan <ssreedharan@mvista.com> 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 <ssreedharan@mvista.com> > > Since this caused regressions in -next last time, could you describe how > this was tested, and on what platforms?
I have tested this on arm64 board((U6_16550A)),PowerPC P5040 board(16550A)), x86-64 (haswell(ST16650V2), Rangeley(16550A)) board. This patch will modify only for the 8250 based serial devices.
Test Case : Booting Multiple times, suspend-resume.
Thanks, Sudhir
> > Thanks, > > Kevin
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