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SubjectRe: [PATCH 4/6] ARM: dts: s5pv210: aries: Add reserved memory for mfc
On Fri, 28 Dec 2018 at 17:18, Paweł Chmiel
<pawel.mikolaj.chmiel@gmail.com> wrote:
>
> This commit adds memory reservation required by MFC to run.
> On S5PV210 both regions needs to be on separate memory banks.
> Size of both regions is taken from stock sources.
>
> Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
> ---
> arch/arm/boot/dts/s5pv210-aries.dtsi | 22 ++++++++++++++++++++++
> 1 file changed, 22 insertions(+)
>
> diff --git a/arch/arm/boot/dts/s5pv210-aries.dtsi b/arch/arm/boot/dts/s5pv210-aries.dtsi
> index 575094ea7024..35ba009a1a33 100644
> --- a/arch/arm/boot/dts/s5pv210-aries.dtsi
> +++ b/arch/arm/boot/dts/s5pv210-aries.dtsi
> @@ -23,6 +23,24 @@
> 0x50000000 0x08000000>;
> };
>
> + reserved-memory {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + mfc_left: region_mfc_left@43000000 {

Although you used the same naming convention as existing
exynos-mfc-reserved-memory.dtsi, the name of nodes should be generic,
so:
mfc_left: region@43000000

Best regards,
Krzysztof


> + compatible = "shared-dma-pool";
> + no-map;
> + reg = <0x43000000 0x2000000>;
> + };
> +
> + mfc_right: region_mfc_right@51000000 {
> + compatible = "shared-dma-pool";
> + no-map;
> + reg = <0x51000000 0x2000000>;
> + };
> + };
> +
> wifi_pwrseq: wifi-pwrseq {
> compatible = "mmc-pwrseq-simple";
> reset-gpios = <&gpg1 2 GPIO_ACTIVE_LOW>;
> @@ -329,6 +347,10 @@
> status = "okay";
> };
>
> +&mfc {
> + memory-region = <&mfc_left>, <&mfc_right>;
> +};
> +
> &pinctrl0 {
> wlan_bt_en: wlan-bt-en {
> samsung,pins = "gpb-5";
> --
> 2.17.1
>

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