Re: [PATCH v1] ARM: dts: stm32: Add coprocessor detach mbox on stm32mp15xx-osd32 SoM

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Hi Leonard

On 3/10/23 10:26, Leonard Göhrs wrote:
To support the detach feature, add a new mailbox channel to inform
the remote processor on a detach. This signal allows the remote processor
firmware to stop IPC communication and to reinitialize the resources for
a re-attach.

See 6257dfc1c412dcdbd76ca5fa92c8444222dbe5b0 for a patch that does the
same for stm32mp15x-dkx boards.

Signed-off-by: Leonard Göhrs <l.goehrs@xxxxxxxxxxxxxx>
---
  arch/arm/boot/dts/stm32mp15xx-osd32.dtsi | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi b/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi
index 935b7084b5a2..a43965c86fe8 100644
--- a/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi
@@ -210,8 +210,8 @@ &ipcc {
  &m4_rproc {
  	memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
  			<&vdev0vring1>, <&vdev0buffer>;
-	mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
-	mbox-names = "vq0", "vq1", "shutdown";
+	mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>, <&ipcc 3>;
+	mbox-names = "vq0", "vq1", "shutdown", "detach";
  	interrupt-parent = <&exti>;
  	interrupts = <68 1>;
  	status = "okay";


Applied on stm32-next.

Thanks.
Alex

base-commit: fe15c26ee26efa11741a7b632e9f23b01aca4cc6




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