[openwrt/openwrt] kernel: ltq-vdsl-vr9-mei: fix compilation with linux 6.6

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/45eeedbbfc805a26df2c0a0b9c6edca51a4a0895

commit 45eeedbbfc805a26df2c0a0b9c6edca51a4a0895
Author: Martin Schiller <ms at dev.tdt.de>
AuthorDate: Wed May 15 10:42:53 2024 +0200

    kernel: ltq-vdsl-vr9-mei: fix compilation with linux 6.6
    
    This adds some compile fixes for linux 6.6 compatibility.
    
    class_create now require only the name instead of the module ownership
    reference.
    
    Also the kernel enabled checks for enum.
    
    Signed-off-by: Martin Schiller <ms at dev.tdt.de>
---
 .../patches/402-kernel-6.6-fixes.patch             | 32 ++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/package/kernel/lantiq/ltq-vdsl-vr9-mei/patches/402-kernel-6.6-fixes.patch b/package/kernel/lantiq/ltq-vdsl-vr9-mei/patches/402-kernel-6.6-fixes.patch
new file mode 100644
index 0000000000..8df0a31e7e
--- /dev/null
+++ b/package/kernel/lantiq/ltq-vdsl-vr9-mei/patches/402-kernel-6.6-fixes.patch
@@ -0,0 +1,32 @@
+--- a/src/drv_mei_cpe_os.h
++++ b/src/drv_mei_cpe_os.h
+@@ -36,6 +36,15 @@
+ #include "ifxos_select.h"
+ #include "ifx_fifo.h"
+ 
++/* __BYTE_ORDER is defined in ifxos_linux_common.h and ifxos_linux_drv.h, which
++ * leads to an compile error in include/uapi/linux/aio_abi.h because the
++ * __LITTLE_ENDIAN is still undefined. So let's undef the unwanted __BYTE_ORDER
++ * again here.
++ */
++#ifdef __BYTE_ORDER
++   #undef __BYTE_ORDER
++#endif
++
+ #if defined(IFXOS_HAVE_VERSION_CHECK)
+ #  if (IFXOS_VERSION_CHECK_EG_THAN(1,1,0))
+ #     define IFXOS_SUPPORTS_FIFO_PEEK                 1
+--- a/src/drv_mei_cpe_linux.c
++++ b/src/drv_mei_cpe_linux.c
+@@ -2548,7 +2548,11 @@ static int MEI_InitModuleRegCharDev(cons
+             ("Using major number %d" MEI_DRV_CRLF, major_number));
+    }
+ 
++#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 4, 0)
+    mei_class = class_create(THIS_MODULE, devName);
++#else
++   mei_class = class_create(devName);
++#endif
+    mei_devt = MKDEV(major_number, 0);
+    device_create(mei_class, NULL, mei_devt, NULL, "%s/%i", devName, 0);
+