From: Shiji Yang <yangshiji66@outlook.com>
Date: Fri, 9 May 2025 02:36:31 +0800
Subject: [PATCH] add missing header mod_devicetable.h

Fix compilation error:

/home/db/owrt/build_dir/target-mips_24kc_musl/linux-lantiq_xrx200/ltq-ptm-vr9/ltq-ptm/ifxmips_ptm_vdsl.c:969:34: error: array type has incomplete element type 'struct of_device_id'
  969 | static const struct of_device_id ltq_ptm_match[] = {
      |                                  ^~~~~~~~~~~~~
/home/db/owrt/build_dir/target-mips_24kc_musl/linux-lantiq_xrx200/ltq-ptm-vr9/ltq-ptm/ifxmips_ptm_vdsl.c:969:34: error: 'ltq_ptm_match' defined but not used [-Werror=unused-variable]

Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
---
 ifxmips_ptm_vdsl.c | 1 +
 1 file changed, 1 insertion(+)

--- a/ifxmips_ptm_vdsl.c
+++ b/ifxmips_ptm_vdsl.c
@@ -34,6 +34,7 @@
 #include <linux/interrupt.h>
 #include <linux/netdevice.h>
 #include <linux/platform_device.h>
+#include <linux/mod_devicetable.h>
 #include <linux/of_device.h>
 
 #include "ifxmips_ptm_vdsl.h"