Re: [PATCH 3/3] ARM: OMAP1: ams-delta: register MODEM device earlier
From: Linus Walleij
Date: Thu Aug 23 2018 - 06:45:37 EST
On Mon, Aug 20, 2018 at 8:12 PM Janusz Krzysztofik <jmkrzyszt@xxxxxxxxx> wrote:
> Amstrad Delta MODEM device used to be initialized at arch_initcall
> before it was once moved to late_initcall by commit f7519d8c8290 ("ARM:
> OMAP1: ams-delta: register latch dependent devices later"). The purpose
> of that change was to postpone initialization of devices which depended
> on latch2 pins until latch2 converted to GPIO device was ready.
> After recent fixes to GPIO handling, it was possible to moove
> registration of most of those device back to where they were before.
> The same can be safely done with the MODEM device as initialization
> of GPIO pins it depends on was moved to machine_init by preceding
> Move registration of the MODEM device to arch_initcall_sync, not to
> arch_initcall, so it is never exposed to potential conflictinh
> registration order hazard against OMAP serial ports.
> Signed-off-by: Janusz Krzysztofik <jmkrzyszt@xxxxxxxxx>
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>