linux-kernel - Re: [PATCH 2/2] soc: samsung: exynos-pmu: update to use of_syscon_register

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Date: Tue, 18 Jun 2024 12:47:29 -0500
From: Sam Protsenko <semen.protsenko@...aro.org>
To: Peter Griffin <peter.griffin@...aro.org>
Cc: lee@...nel.org, arnd@...db.de, krzk@...nel.org, alim.akhtar@...sung.com, 
	linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, 
	linux-kernel@...r.kernel.org, tudor.ambarus@...aro.org, 
	andre.draszik@...aro.org, saravanak@...gle.com, willmcvicker@...gle.com, 
	kernel-team@...roid.com
Subject: Re: [PATCH 2/2] soc: samsung: exynos-pmu: update to use of_syscon_register_regmap()

On Fri, Jun 14, 2024 at 9:04 AM Peter Griffin <peter.griffin@...aro.org> wrote:
>
> For SoCs like gs101 that need a special regmap, register this with
> of_syscon_register_regmap api, so it can be returned by
> syscon_regmap_lookup_by_phandle() and friends.
>
> For SoCs that don't require a custom regmap, revert back to syscon
> creating the mmio regmap rather than duplicating the logic here.
>
> exynos_get_pmu_regmap_by_phandle() api is also updated to retrieve
> the regmap via syscon. The exynos_get_pmu_regmap_by_phandle() api
> is kept around until fw_devlink support for syscon property is added
> for the pinctrl-samsung driver that also runs at postcore_initcall
> level.
>
> All other exynos client drivers can revert back to
> syscon_regmap_lookup_by_phandle().
>
> Signed-off-by: Peter Griffin <peter.griffin@...aro.org>
> ---

Reviewed-by: Sam Protsenko <semen.protsenko@...aro.org>

[snip]