Re: [PATCH] ARM: owl: smp: Drop owl_secondary_boot()

From: Florian Fainelli
Date: Tue Jul 04 2017 - 22:36:48 EST

On July 4, 2017 4:32:18 PM PDT, "Andreas FÃrber" <afaerber@xxxxxxx> wrote:
>Commit 18cfd9429d8a82c49add8f3ca9d366599bfcac45 ("ARM: owl: smp: Drop
>bogus holding pen") simplified the S500 SMP code by removing a loop for
>pen_release in owl_secondary_boot(). Since then it is only calling
>owl_v7_invalidate_l1() before branching to secondary_startup().
>The owl_v7_invalidate_l1() assembler function is superfluous, too.
>Therefore drop owl_secondary_boot() and use secondary_boot() directly.
>Cc: David Liu <liuwei@xxxxxxxxxxxxxxxx>
>Signed-off-by: Andreas FÃrber <afaerber@xxxxxxx>

>- writel(virt_to_phys(owl_secondary_startup),
>+ writel(virt_to_phys(secondary_startup),
> timer_base_addr + OWL_CPU1_ADDR + (cpu - 1) * 4);

This is a kernel symbol so please use __pa_symbol() here, also you might want to build with CONFIG_DEBUG_VIRTUAL and see if you get other warnings about using virt_to_phys() in the owl platform code (I did not check if there are other uses)