diff mbox series

ARM: dts: wpcm450: Add nuvoton,shm = <&shm> to FIU node

Message ID 20230129112611.1176517-1-j.neuschaefer@gmx.net
State New
Headers show
Series ARM: dts: wpcm450: Add nuvoton,shm = <&shm> to FIU node | expand

Commit Message

J. Neuschäfer Jan. 29, 2023, 11:26 a.m. UTC 
The Flash Interface Unit (FIU) should have a reference to the Shared
Memory controller (SHM) so that flash access from the host (x86 computer
managed by the WPCM450 BMC) can be blocked during flash access by the
FIU driver.

Fixes: 38abcb0d68767 ("ARM: dts: wpcm450: Add FIU SPI controller node")
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
---
 arch/arm/boot/dts/nuvoton-wpcm450.dtsi | 1 +
 1 file changed, 1 insertion(+)

--
2.39.0

Comments

Joel Stanley Feb. 1, 2023, 4:32 a.m. UTC | #1 
On Sun, 29 Jan 2023 at 11:26, Jonathan Neuschäfer <j.neuschaefer@gmx.net> wrote:
>
> The Flash Interface Unit (FIU) should have a reference to the Shared
> Memory controller (SHM) so that flash access from the host (x86 computer
> managed by the WPCM450 BMC) can be blocked during flash access by the
> FIU driver.
>
> Fixes: 38abcb0d68767 ("ARM: dts: wpcm450: Add FIU SPI controller node")
> Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>

Reviewed-by: Joel Stanley <joel@jms.id.au>

I'll send this to the soc maintainers.


> ---
>  arch/arm/boot/dts/nuvoton-wpcm450.dtsi | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/nuvoton-wpcm450.dtsi b/arch/arm/boot/dts/nuvoton-wpcm450.dtsi
> index 299fcbba3089b..fda2f13093f98 100644
> --- a/arch/arm/boot/dts/nuvoton-wpcm450.dtsi
> +++ b/arch/arm/boot/dts/nuvoton-wpcm450.dtsi
> @@ -478,6 +478,7 @@ fiu: spi-controller@c8000000 {
>                         reg = <0xc8000000 0x1000>, <0xc0000000 0x4000000>;
>                         reg-names = "control", "memory";
>                         clocks = <&clk WPCM450_CLK_FIU>;
> +                       nuvoton,shm = <&shm>;
>                         status = "disabled";
>                 };
>
> --
> 2.39.0
>
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/nuvoton-wpcm450.dtsi b/arch/arm/boot/dts/nuvoton-wpcm450.dtsi
index 299fcbba3089b..fda2f13093f98 100644
--- a/arch/arm/boot/dts/nuvoton-wpcm450.dtsi
+++ b/arch/arm/boot/dts/nuvoton-wpcm450.dtsi
@@ -478,6 +478,7 @@  fiu: spi-controller@c8000000 {
 			reg = <0xc8000000 0x1000>, <0xc0000000 0x4000000>;
 			reg-names = "control", "memory";
 			clocks = <&clk WPCM450_CLK_FIU>;
+			nuvoton,shm = <&shm>;
 			status = "disabled";
 		};