diff -Nru dahdi-linux-2.11.1~dfsg/debian/changelog dahdi-linux-2.11.1~dfsg/debian/changelog
--- dahdi-linux-2.11.1~dfsg/debian/changelog	2023-06-08 11:14:30.000000000 +0000
+++ dahdi-linux-2.11.1~dfsg/debian/changelog	2023-10-26 14:30:50.000000000 +0000
@@ -1,3 +1,10 @@
+dahdi-linux (1:2.11.1~dfsg-1ubuntu12~22.04.3) jammy; urgency=medium
+
+  * Support Linux 6.5 (LP: #2041215):
+    - debian/patches/Linux-6.5-abi.patch
+
+ -- Andrea Righi <andrea.righi@canonical.com>  Thu, 26 Oct 2023 14:30:50 +0000
+
 dahdi-linux (1:2.11.1~dfsg-1ubuntu12~22.04.2) jammy; urgency=medium
 
   * Support Linux 6.2 (LP: #2023287):
diff -Nru dahdi-linux-2.11.1~dfsg/debian/patches/Linux-6.5-abi.patch dahdi-linux-2.11.1~dfsg/debian/patches/Linux-6.5-abi.patch
--- dahdi-linux-2.11.1~dfsg/debian/patches/Linux-6.5-abi.patch	1970-01-01 00:00:00.000000000 +0000
+++ dahdi-linux-2.11.1~dfsg/debian/patches/Linux-6.5-abi.patch	2023-10-26 14:30:50.000000000 +0000
@@ -0,0 +1,131 @@
+From: Andrea Righi <andrea.righi@canonical.com>
+Subject: support new linux 6.5 ABI
+
+Index: dahdi-linux-2.11.1~dfsg/drivers/dahdi/dahdi-sysfs-chan.c
+===================================================================
+--- dahdi-linux-2.11.1~dfsg.orig/drivers/dahdi/dahdi-sysfs-chan.c
++++ dahdi-linux-2.11.1~dfsg/drivers/dahdi/dahdi-sysfs-chan.c
+@@ -480,7 +480,11 @@ int __init dahdi_sysfs_chan_init(const s
+ 	}
+ 	should_cleanup.channel_driver = 1;
+ 
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 4, 0)
++	dahdi_class = class_create("dahdi");
++#else
+ 	dahdi_class = class_create(THIS_MODULE, "dahdi");
++#endif
+ 	if (IS_ERR(dahdi_class)) {
+ 		res = PTR_ERR(dahdi_class);
+ 		dahdi_err("%s: class_create(dahi_chan) failed. Error: %d\n",
+Index: dahdi-linux-2.11.1~dfsg/drivers/dahdi/dahdi-sysfs.c
+===================================================================
+--- dahdi-linux-2.11.1~dfsg.orig/drivers/dahdi/dahdi-sysfs.c
++++ dahdi-linux-2.11.1~dfsg/drivers/dahdi/dahdi-sysfs.c
+@@ -100,7 +100,11 @@ static int span_uevent(struct device *de
+ 			return err;				\
+ 	} while (0)
+ 
++#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 3, 0)
+ static int span_uevent(struct device *dev, struct kobj_uevent_env *kenv)
++#else
++static int span_uevent(const struct device *dev, struct kobj_uevent_env *kenv)
++#endif
+ {
+ 	struct dahdi_span *span;
+ 
+@@ -301,15 +305,18 @@ ATTRIBUTE_GROUPS(dahdi);
+ #endif
+ 
+ static struct bus_type spans_bus_type = {
+-	.name           = "dahdi_spans",
+-	.match          = span_match,
+-	.uevent         = span_uevent,
+-#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
++	.name		= "dahdi_spans",
++	.match		= span_match,
++	.uevent		= span_uevent,
++#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 13, 0)
+ 	.dev_attrs	= span_dev_attrs,
+-	.drv_attrs	= dahdi_attrs,
+ #else
+ 	.dev_groups	= span_dev_groups,
+-	.drv_groups 	= dahdi_groups,
++#endif
++#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
++	.drv_attrs	= dahdi_attrs,
++#else
++	.drv_groups	= dahdi_groups,
+ #endif
+ };
+ 
+@@ -500,7 +507,11 @@ static int device_uevent(struct device *
+ 			return err;				\
+ 	} while (0)
+ 
++#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 3, 0)
+ static int device_uevent(struct device *dev, struct kobj_uevent_env *kenv)
++#else
++static int device_uevent(const struct device *dev, struct kobj_uevent_env *kenv)
++#endif
+ {
+ 	struct dahdi_device *ddev;
+ 
+Index: dahdi-linux-2.11.1~dfsg/drivers/dahdi/voicebus/voicebus.c
+===================================================================
+--- dahdi-linux-2.11.1~dfsg.orig/drivers/dahdi/voicebus/voicebus.c
++++ dahdi-linux-2.11.1~dfsg/drivers/dahdi/voicebus/voicebus.c
+@@ -1155,7 +1155,11 @@ static void vb_stop_txrx_processors(stru
+  */
+ void voicebus_stop(struct voicebus *vb)
+ {
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 4, 0)
++	static DEFINE_SEMAPHORE(stop, 1);
++#else
+ 	static DEFINE_SEMAPHORE(stop);
++#endif
+ 
+ 	down(&stop);
+ 
+Index: dahdi-linux-2.11.1~dfsg/drivers/dahdi/wctdm24xxp/base.c
+===================================================================
+--- dahdi-linux-2.11.1~dfsg.orig/drivers/dahdi/wctdm24xxp/base.c
++++ dahdi-linux-2.11.1~dfsg/drivers/dahdi/wctdm24xxp/base.c
+@@ -225,7 +225,11 @@ mod_hooksig(struct wctdm *wc, struct wct
+ }
+ 
+ struct wctdm *ifaces[WC_MAX_IFACES];
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 4, 0)
++DEFINE_SEMAPHORE(ifacelock, 1);
++#else
+ DEFINE_SEMAPHORE(ifacelock);
++#endif
+ 
+ static void wctdm_release(struct wctdm *wc);
+ 
+Index: dahdi-linux-2.11.1~dfsg/drivers/dahdi/xpp/xbus-sysfs.c
+===================================================================
+--- dahdi-linux-2.11.1~dfsg.orig/drivers/dahdi/xpp/xbus-sysfs.c
++++ dahdi-linux-2.11.1~dfsg/drivers/dahdi/xpp/xbus-sysfs.c
+@@ -445,7 +445,11 @@ static int astribank_uevent(struct devic
+ 			return err;				\
+ 	} while (0)
+ 
++#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 3, 0)
+ static int astribank_uevent(struct device *dev, struct kobj_uevent_env *kenv)
++#else
++static int astribank_uevent(const struct device *dev, struct kobj_uevent_env *kenv)
++#endif
+ {
+ 	xbus_t *xbus;
+ 	extern char *initdir;
+Index: dahdi-linux-2.11.1~dfsg/include/dahdi/version.h
+===================================================================
+--- /dev/null
++++ dahdi-linux-2.11.1~dfsg/include/dahdi/version.h
+@@ -0,0 +1,6 @@
++/*
++ * version.h 
++ * Automatically generated
++ */
++#define DAHDI_VERSION "2.11.1"
++
diff -Nru dahdi-linux-2.11.1~dfsg/debian/patches/series dahdi-linux-2.11.1~dfsg/debian/patches/series
--- dahdi-linux-2.11.1~dfsg/debian/patches/series	2023-06-08 11:14:16.000000000 +0000
+++ dahdi-linux-2.11.1~dfsg/debian/patches/series	2023-10-26 14:30:50.000000000 +0000
@@ -21,3 +21,4 @@
 Linux-5.9-ioctl-fix.patch
 kernel-compat-5.18.patch
 kernel-6.1-API-change-netif_napi_add-uses-weight-64-.patch
+Linux-6.5-abi.patch