On Tue, Apr 4, 2017 at 3:24 AM, Kuppuswamy Sathyanarayanan
<sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx> wrote:
> In some SoCs, setting noreboot bit needs modification to
> PMC GC registers. But not all PMC drivers allow other drivers
> to memory map their GC region. This could create mem request
> conflict in watchdog driver. So this patch adds facility to allow
> PMC drivers to pass noreboot update function to watchdog
> drivers via platform data.
> /* Set the NO_REBOOT bit: this disables reboots */
> if (p->iTCO_version >= 2) {
> - val32 = readl(p->gcs_pmc);
> - val32 |= no_reboot_bit(p);
> - writel(val32, p->gcs_pmc);
> + if (p->update_noreboot_flag)
> + p->update_noreboot_flag(true);
> + else {
> + val32 = readl(p->gcs_pmc);
> + val32 |= no_reboot_bit(p);
> + writel(val32, p->gcs_pmc);
> + }
What I meant is to introduce helper(s) first and then fix this. Yes, I
understand it might increase work for backporting (if even needed),
but I still think it worth doing.
--
With Best Regards,
Andy Shevchenko
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