Re: [PATCH 2/2] arm64: dts: imx8mp: add reserve-memory nodes for DSP

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On 9/12/2023 11:26 AM, Krzysztof Kozlowski wrote:
On 12/09/2023 10:13, Iuliana Prodan wrote:
On 9/12/2023 10:07 AM, Krzysztof Kozlowski wrote:
On 12/09/2023 00:44, Iuliana Prodan (OSS) wrote:
From: Iuliana Prodan <iuliana.prodan@xxxxxxx>

Add the reserve-memory nodes used by DSP when the rpmsg
feature is enabled.
These can be later used in a dsp node, like:
dsp: dsp@3b6e8000 {
	compatible = "fsl,imx8mp-dsp";
	reg = <0x3b6e8000 0x88000>;
	mbox-names = "tx0", "rx0", "rxdb0";
	mboxes = <&mu2 2 0>, <&mu2 2 1>,
		<&mu2 3 0>, <&mu2 3 1>;
	memory-region = <&dsp_vdev0buffer>, <&dsp_vdev0vring0>,
		<&dsp_vdev0vring1>, <&dsp_reserved>;
	status = "okay";
Drop this example from commit msg, useless and not really correct.
Ok, will drop it. But this is a correct example, is just incomplete.
No, status=okay is redundant, thus it is not a correct example.

Signed-off-by: Iuliana Prodan <iuliana.prodan@xxxxxxx>
   arch/arm64/boot/dts/freescale/imx8mp.dtsi | 12 ++++++++++++
   1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index cc406bb338fe..eedc1921af62 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -210,6 +210,18 @@
   		dsp_reserved: dsp@92400000 {
   			reg = <0 0x92400000 0 0x2000000>;
Please test the patches before sending. This does not build.
I've tested on remoteproc tree, but it seems I missed a bracket when
sending upstream. Sorry abut this, will fix it in v2.
No, this is not how testing works. You must test this patch. This means
you tested something, then ported patch to entirely different tree,
resolved conflicts in buggy way and send it without testing. Nope.

Should I test this on other tree(s)?
You test the patch on the tree you send it. What is the point to test it
on some old code, cherry-pick with bugs and then send?

If you have cross-tree dependencies between subsystem, isn't linux-next
for this?

TBH, I don't know, that's why I asked.

For sure one patch is for remoteproc.
For the other, I don't know who will pick it, but I'll tested on linux-next, as you suggested.


Best regards,

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