diff --git a/srcpkgs/linux5.15/files/i386-dotconfig b/srcpkgs/linux5.15/files/i386-dotconfig
index 7d49d2ff2cc..26d0500afb3 100644
--- a/srcpkgs/linux5.15/files/i386-dotconfig
+++ b/srcpkgs/linux5.15/files/i386-dotconfig
@@ -1779,7 +1779,7 @@ CONFIG_BT_QCA=m
 CONFIG_BT_HCIBTUSB=m
 CONFIG_BT_HCIBTUSB_AUTOSUSPEND=y
 CONFIG_BT_HCIBTUSB_BCM=y
-# CONFIG_BT_HCIBTUSB_MTK is not set
+CONFIG_BT_HCIBTUSB_MTK=y
 CONFIG_BT_HCIBTUSB_RTL=y
 CONFIG_BT_HCIBTSDIO=m
 CONFIG_BT_HCIUART=m
diff --git a/srcpkgs/linux5.15/files/ppc-dotconfig b/srcpkgs/linux5.15/files/ppc-dotconfig
index fd5be8a4b04..4cede9675c6 100644
--- a/srcpkgs/linux5.15/files/ppc-dotconfig
+++ b/srcpkgs/linux5.15/files/ppc-dotconfig
@@ -1557,7 +1557,7 @@ CONFIG_BT_QCA=m
 CONFIG_BT_HCIBTUSB=m
 CONFIG_BT_HCIBTUSB_AUTOSUSPEND=y
 CONFIG_BT_HCIBTUSB_BCM=y
-# CONFIG_BT_HCIBTUSB_MTK is not set
+CONFIG_BT_HCIBTUSB_MTK=y
 CONFIG_BT_HCIBTUSB_RTL=y
 CONFIG_BT_HCIBTSDIO=m
 CONFIG_BT_HCIUART=m
diff --git a/srcpkgs/linux5.15/files/ppc64-dotconfig b/srcpkgs/linux5.15/files/ppc64-dotconfig
index 07815146cd1..998e3081f8b 100644
--- a/srcpkgs/linux5.15/files/ppc64-dotconfig
+++ b/srcpkgs/linux5.15/files/ppc64-dotconfig
@@ -1775,7 +1775,7 @@ CONFIG_BT_QCA=m
 CONFIG_BT_HCIBTUSB=m
 CONFIG_BT_HCIBTUSB_AUTOSUSPEND=y
 CONFIG_BT_HCIBTUSB_BCM=y
-# CONFIG_BT_HCIBTUSB_MTK is not set
+CONFIG_BT_HCIBTUSB_MTK=y
 CONFIG_BT_HCIBTUSB_RTL=y
 CONFIG_BT_HCIBTSDIO=m
 CONFIG_BT_HCIUART=m
diff --git a/srcpkgs/linux5.15/files/ppc64le-dotconfig b/srcpkgs/linux5.15/files/ppc64le-dotconfig
index 0d05e75d034..c3bcd75a14c 100644
--- a/srcpkgs/linux5.15/files/ppc64le-dotconfig
+++ b/srcpkgs/linux5.15/files/ppc64le-dotconfig
@@ -1699,7 +1699,7 @@ CONFIG_BT_QCA=m
 CONFIG_BT_HCIBTUSB=m
 CONFIG_BT_HCIBTUSB_AUTOSUSPEND=y
 CONFIG_BT_HCIBTUSB_BCM=y
-# CONFIG_BT_HCIBTUSB_MTK is not set
+CONFIG_BT_HCIBTUSB_MTK=y
 CONFIG_BT_HCIBTUSB_RTL=y
 CONFIG_BT_HCIBTSDIO=m
 CONFIG_BT_HCIUART=m
diff --git a/srcpkgs/linux5.15/files/x86_64-dotconfig b/srcpkgs/linux5.15/files/x86_64-dotconfig
index 12150514a28..04593a447d8 100644
--- a/srcpkgs/linux5.15/files/x86_64-dotconfig
+++ b/srcpkgs/linux5.15/files/x86_64-dotconfig
@@ -1841,7 +1841,7 @@ CONFIG_BT_QCA=m
 CONFIG_BT_HCIBTUSB=m
 CONFIG_BT_HCIBTUSB_AUTOSUSPEND=y
 CONFIG_BT_HCIBTUSB_BCM=y
-# CONFIG_BT_HCIBTUSB_MTK is not set
+CONFIG_BT_HCIBTUSB_MTK=y
 CONFIG_BT_HCIBTUSB_RTL=y
 CONFIG_BT_HCIBTSDIO=m
 CONFIG_BT_HCIUART=m
diff --git a/srcpkgs/linux5.15/template b/srcpkgs/linux5.15/template
index 622842e8c17..24302e27ea7 100644
--- a/srcpkgs/linux5.15/template
+++ b/srcpkgs/linux5.15/template
@@ -1,6 +1,6 @@
 # Template file for 'linux5.15'
 pkgname=linux5.15
-version=5.15.8
+version=5.15.9
 revision=1
 wrksrc="linux-${version%.*}"
 short_desc="Linux kernel and modules (${version%.*} series)"
@@ -10,7 +10,7 @@ homepage="https://www.kernel.org"
 distfiles="https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-${version%.*}.tar.xz
  https://cdn.kernel.org/pub/linux/kernel/v5.x/patch-${version}.xz"
 checksum="57b2cf6991910e3b67a1b3490022e8a0674b6965c74c12da1e99d138d1991ee8
- c122c139f9b16fb6b78a70259c7fb689773c14581eb202425395e9ee251e98fb"
+ 61c8ebd999e694186df68d6d235b3ee0951f44740df075921f8f178e1e51a7e4"
 skip_extraction="patch-${version}.xz"
 python_version=3