linux-kernel - Re: [PATCH v3 3/4] arm64: dts: exynos2200: increase the size of all syscons

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Message-ID: <CAPLW+4mp5DASdcToSW1QD7f51w4AYQeKzTF=nq2U=f-HiXD-8w@mail.gmail.com>
Date: Sat, 16 Aug 2025 12:26:15 -0500
From: Sam Protsenko <semen.protsenko@...aro.org>
To: Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>, 
	linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/4] arm64: dts: exynos2200: increase the size of all syscons

On Fri, Aug 15, 2025 at 2:06 AM Ivaylo Ivanov
<ivo.ivanov.ivanov1@...il.com> wrote:
>
> As IP cores are aligned by 0x10000, increase the size of all system
> register instances to the maximum (0x10000) to allow using accessing
> registers over the currently set limit.
>
> Suggested-by: Sam Protsenko <semen.protsenko@...aro.org>
> Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.com>
>
> ---
> Did not add the r-b from Sam, as the patch is pretty much completely
> reworked, including the description. Please send it again :).
> ---

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

>  arch/arm64/boot/dts/exynos/exynos2200.dtsi | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/exynos/exynos2200.dtsi b/arch/arm64/boot/dts/exynos/exynos2200.dtsi
> index 943e83851..b3a8933a4 100644
> --- a/arch/arm64/boot/dts/exynos/exynos2200.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynos2200.dtsi
> @@ -306,7 +306,7 @@ cmu_peric0: clock-controller@...00000 {
>
>                 syscon_peric0: syscon@...20000 {
>                         compatible = "samsung,exynos2200-peric0-sysreg", "syscon";
> -                       reg = <0x10420000 0x2000>;
> +                       reg = <0x10420000 0x10000>;
>                 };
>
>                 pinctrl_peric0: pinctrl@...30000 {
> @@ -328,7 +328,7 @@ cmu_peric1: clock-controller@...00000 {
>
>                 syscon_peric1: syscon@...20000 {
>                         compatible = "samsung,exynos2200-peric1-sysreg", "syscon";
> -                       reg = <0x10720000 0x2000>;
> +                       reg = <0x10720000 0x10000>;
>                 };
>
>                 pinctrl_peric1: pinctrl@...30000 {
> @@ -418,7 +418,7 @@ cmu_ufs: clock-controller@...00000 {
>
>                 syscon_ufs: syscon@...20000 {
>                         compatible = "samsung,exynos2200-ufs-sysreg", "syscon";
> -                       reg = <0x11020000 0x2000>;
> +                       reg = <0x11020000 0x10000>;
>                 };
>
>                 pinctrl_ufs: pinctrl@...40000 {
> @@ -450,7 +450,7 @@ cmu_peric2: clock-controller@...00000 {
>
>                 syscon_peric2: syscon@...20000 {
>                         compatible = "samsung,exynos2200-peric2-sysreg", "syscon";
> -                       reg = <0x11c20000 0x4000>;
> +                       reg = <0x11c20000 0x10000>;
>                 };
>
>                 pinctrl_peric2: pinctrl@...30000 {
> @@ -471,7 +471,7 @@ cmu_cmgp: clock-controller@...00000 {
>
>                 syscon_cmgp: syscon@...20000 {
>                         compatible = "samsung,exynos2200-cmgp-sysreg", "syscon";
> -                       reg = <0x14e20000 0x2000>;
> +                       reg = <0x14e20000 0x10000>;
>                 };
>
>                 pinctrl_cmgp: pinctrl@...30000 {
> --
> 2.43.0
>
>