ti-ipc: Stop looking for rpmsg_rpc.h in the kernel

Stop looking for the rpmsg_rpc.h in the kernel.  While we are doing the
LTS migration for kirkstone, this file is not going to be in the kernel
for a bit.  This patch works in conjunction with a recipe change that
downloads the header and adds a -I to the CFLAGS to pick it up.  This
will be removed once the 6.1 kernel has been updated.

Signed-off-by: Ryan Eatmon <reatmon@ti.com>

2 files changed, 41 insertions, 0 deletions

diff --git a/meta-ti-bsp/recipes-ti/ipc/ti-ipc/0001-MmRpc-Stop-looking-for-rpmsg_rpc.h-in-the-kernel.patch b/meta-ti-bsp/recipes-ti/ipc/ti-ipc/0001-MmRpc-Stop-looking-for-rpmsg_rpc.h-in-the-kernel.patch
new file mode 100644
index 00000000..ef12af88
--- /dev/null
+++ b/meta-ti-bsp/recipes-ti/ipc/ti-ipc/0001-MmRpc-Stop-looking-for-rpmsg_rpc.h-in-the-kernel.patch
@@ -0,0 +1,35 @@
+From 66ca0e732c2e287814d4fc5082b818554ee42398 Mon Sep 17 00:00:00 2001
+From: Ryan Eatmon <reatmon@ti.com>
+Date: Fri, 28 Apr 2023 14:30:59 -0500
+Subject: [PATCH] MmRpc: Stop looking for rpmsg_rpc.h in the kernel
+
+Stop looking for the rpmsg_rpc.h in the kernel.  While we are doing the
+LTS migration for kirkstone, this file is not going to be in the kernel
+for a bit.  This patch works in conjunction with a recipe change that
+downloads the header and adds a -I to the CFLAGS to pick it up.  This
+will be removed once the 6.1 kernel has been updated.
+
+Signed-off-by: Ryan Eatmon <reatmon@ti.com>
+
+Upstream-Status: Inappropriate [other]
+
+---
+ packages/ti/ipc/mm/MmRpc.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/packages/ti/ipc/mm/MmRpc.c b/packages/ti/ipc/mm/MmRpc.c
+index 2df7420..10f496b 100644
+--- a/packages/ti/ipc/mm/MmRpc.c
++++ b/packages/ti/ipc/mm/MmRpc.c
+@@ -64,7 +64,7 @@
+ #define linux_include(kd,m) <kd/include/uapi/linux/m.h>
+ #endif
+ 
+-#include linux_include(KERNEL_INSTALL_DIR,rpmsg_rpc)
++#include "linux/rpmsg_rpc.h"
+ 
+ #ifdef _linux_
+ #define linux _linux
+-- 
+2.17.1
+
diff --git a/meta-ti-bsp/recipes-ti/ipc/ti-ipc_git.bb b/meta-ti-bsp/recipes-ti/ipc/ti-ipc_git.bb
index 01b857c2..e2db6efd 100644
--- a/meta-ti-bsp/recipes-ti/ipc/ti-ipc_git.bb
+++ b/meta-ti-bsp/recipes-ti/ipc/ti-ipc_git.bb
@@ -8,12 +8,18 @@ PR = "${INC_PR}.2"
 
 DEPENDS += "virtual/kernel"
 
+SRC_URI:append = " https://git.ti.com/cgit/ti-linux-kernel/ti-linux-kernel/plain/include/uapi/linux/rpmsg_rpc.h?h=ti-linux-5.10.y;name=rpmsg_rpc;subdir=linux;downloadfilename=rpmsg_rpc.h"
+SRC_URI[rpmsg_rpc.sha256sum] = "cd237f40a37520a1f2df19fbfeefd00c0a5ad68efeaba9ba0fba60ca16ea09be"
+
 SRC_URI += "file://tiipclad-daemon.sh \
             file://omap_remoteproc.conf \
             file://tiipclad-daemon.service \
             file://0001-Add-kernel-build-dir.patch \
+            file://0001-MmRpc-Stop-looking-for-rpmsg_rpc.h-in-the-kernel.patch \
            "
 
+CFLAGS += "-I${WORKDIR}"
+
 DAEMON = "UNKNOWN"
 DAEMON:dra7xx = "lad_dra7xx"
 DAEMON:omapl138 = "lad_omapl138"