[PATCH 2/7] arm64: dts: imx8qm-mek: rename vdevbuffer to vdev0buffer

"Peng Fan (OSS)" <[email protected]> Wed, 29 Jul 2026 09:25:37 +0800
Newsgroups dev.linux.lists.imx,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
From: Peng Fan <[email protected]>

The imx_rproc driver checks for the name "vdev0buffer" to skip mapping
the vdev buffer region, as it is handled by rproc_add_virtio_dev.
With the node named "vdevbuffer", the check fails and the region gets
unnecessarily mapped. Rename it to "vdev0buffer" to match what the
driver expects.

Fixes: 52c9971edd4f ("arm64: dts: imx8qm-mek: add cm4 remote-proc and related memory region")
Signed-off-by: Peng Fan <[email protected]>
---
 arch/arm64/boot/dts/freescale/imx8qm-mek.dts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
index 9e49ac377162b..50aa1e3419651 100644
--- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
@@ -94,7 +94,7 @@ rsc_table1: memory@901ff000 {
 			no-map;
 		};
 
-		vdevbuffer: memory@90400000 {
+		vdev0buffer: vdev0buffer@90400000 {
 			compatible = "shared-dma-pool";
 			reg = <0 0x90400000 0 0x100000>;
 			no-map;
@@ -456,7 +456,7 @@ imx8qm-cm4-0 {
 		mboxes = <&lsio_mu5 0 1
 			  &lsio_mu5 1 1
 			  &lsio_mu5 3 1>;
-		memory-region = <&vdevbuffer>, <&vdev0vring0>, <&vdev0vring1>,
+		memory-region = <&vdev0buffer>, <&vdev0vring0>, <&vdev0vring1>,
 				<&vdev1vring0>, <&vdev1vring1>, <&rsc_table0>;
 		power-domains = <&pd IMX_SC_R_M4_0_PID0>, <&pd IMX_SC_R_M4_0_MU_1A>;
 
@@ -471,7 +471,7 @@ imx8qm-cm4-1 {
 		mboxes = <&lsio_mu6 0 1
 			  &lsio_mu6 1 1
 			  &lsio_mu6 3 1>;
-		memory-region = <&vdevbuffer>, <&vdev2vring0>, <&vdev2vring1>,
+		memory-region = <&vdev0buffer>, <&vdev2vring0>, <&vdev2vring1>,
 				<&vdev3vring0>, <&vdev3vring1>, <&rsc_table1>;
 		power-domains = <&pd IMX_SC_R_M4_1_PID0>, <&pd IMX_SC_R_M4_1_MU_1A>;
 

-- 
2.34.1