Re: [PATCH] arm64: dts: ti: k3-am65: Add MSMC RAM ranges in interconnect node

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On 30/05/2019 13:49, Nishanth Menon wrote:
On 16:13-20190529, Suman Anna wrote:
From: Roger Quadros <rogerq@xxxxxx>

Add the MSCM RAM address space to the ranges property of the cbass_main
interconnect node so that the addresses can be translated properly.

This fixes the probe failure in the sram driver for the MSMC RAM node.

Signed-off-by: Roger Quadros <rogerq@xxxxxx>
Signed-off-by: Suman Anna <s-anna@xxxxxx>
---

The following error message is seen without this:
[    0.480261] sram interconnect@100000:sram@70000000: found no memory resource
[    0.487497] sram: probe of interconnect@100000:sram@70000000 failed with error -22

regards
Suman

  arch/arm64/boot/dts/ti/k3-am65.dtsi | 1 +
  1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am65.dtsi b/arch/arm64/boot/dts/ti/k3-am65.dtsi
index 50f4be2047a9..68b3f954f1d1 100644
--- a/arch/arm64/boot/dts/ti/k3-am65.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65.dtsi
@@ -68,6 +68,7 @@
  			 <0x00 0x00900000 0x00 0x00900000 0x00 0x00012000>, /* serdes */
  			 <0x00 0x01000000 0x00 0x01000000 0x00 0x0af02400>, /* Most peripherals */
  			 <0x00 0x30800000 0x00 0x30800000 0x00 0x0bc00000>, /* MAIN NAVSS */
+			 <0x00 0x70000000 0x00 0x70000000 0x00 0x00200000>, /* MSMC SRAM */
  			 /* MCUSS Range */
  			 <0x00 0x28380000 0x00 0x28380000 0x00 0x03880000>,
  			 <0x00 0x40200000 0x00 0x40200000 0x00 0x00900100>,
--
2.21.0


Arrgh.. Nice catch. Thanks. We should consider pulling this in as part
of early rc fixes please.

Acked-by: Nishanth Menon <nm@xxxxxx>

Hmm, what is the failure this causes, except the probe message? SRAM driver obviously won't work but is it used for anything at the moment anyways?

I would rather queue this towards 5.3.

-Tero
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