diff --git a/community/linux-tools/03-fix-acpidump-compile-error.patch b/community/linux-tools/03-fix-acpidump-compile-error.patch
new file mode 100644
index 000000000..8f33c3483
--- /dev/null
+++ b/community/linux-tools/03-fix-acpidump-compile-error.patch
@@ -0,0 +1,13 @@
+diff --git a/tools/power/acpi/tools/acpidump/acpidump.c b/tools/power/acpi/tools/acpidump/acpidump.c
+index a84553a..df453cc 100644
+--- a/tools/power/acpi/tools/acpidump/acpidump.c
++++ b/tools/power/acpi/tools/acpidump/acpidump.c
+@@ -49,8 +49,6 @@ typedef int				s32;
+ typedef unsigned char			u8;
+ typedef unsigned short			u16;
+ typedef unsigned int			u32;
+-typedef unsigned long long		u64;
+-typedef long long			s64;
+ #endif
+ 
+ #include <sys/mman.h>
diff --git a/community/linux-tools/PKGBUILD b/community/linux-tools/PKGBUILD
index 773bbd8c8..384663afe 100644
--- a/community/linux-tools/PKGBUILD
+++ b/community/linux-tools/PKGBUILD
@@ -16,8 +16,8 @@ pkgname=(
   'tmon'
   'usbip'
 )
-pkgver=3.14
-pkgrel=3
+pkgver=3.15
+pkgrel=1
 license=('GPL2')
 arch=('i686' 'x86_64')
 url='http://www.kernel.org'
@@ -30,33 +30,39 @@ makedepends+=('perl' 'python2' 'libnewt' 'elfutils' 'libunwind')
 # cpupower deps
 makedepends+=('pciutils')
 # usbip deps
-makedepends+=('glib2' 'sysfsutils')
+makedepends+=('glib2' 'sysfsutils' 'udev')
 # tmon deps
 makedepends+=('ncurses')
 groups=("$pkgbase")
 source=("http://ftp.kernel.org/pub/linux/kernel/v3.x/linux-$pkgver.tar.xz"
-#        "http://ftp.kernel.org/pub/linux/kernel/v3.x/patch-$pkgver.3.xz"
+        "http://ftp.kernel.org/pub/linux/kernel/v3.x/patch-$pkgver.7.xz"
         'cpupower.default'
         'cpupower.systemd'
         'cpupower.service'
         'usbipd.service'
         '01-fix-perf-python.patch'
-        '02-archlinux-paths.patch')
+        '02-archlinux-paths.patch'
+        '03-fix-acpidump-compile-error.patch')
 # http://www.kernel.org/pub/linux/kernel/v3.x/sha256sums.asc
-sha256sums=('61558aa490855f42b6340d1a1596be47454909629327c49a5e4e10268065dffa'
+sha256sums=('c3927e87be4040fa8aca1b58663dc0776aaf00485604ff88a623be2f3fb07794'
+            '25f0767908e736a2388fe36810712ee3faa6c86c5255516496d5942ba1ffb451'
             '6d54f1dcd4d9441644a7ef4445f6633158e666fddaa6f06bb6656ab2ff4509d4'
             '4fa509949d6863d001075fa3e8671eff2599c046d20c98bb4a70778595cd1c3f'
             'fbf6e0ce6eb0ef15703fe212958de6ca46e62188900b5e9f9272ed3cc9cfd54e'
             'a89284d0ecb556ca53a66d1c2087b5fd6d0a901ab2769cd3aebb93f4478905dc'
             '2e187734d8aec58a3046d79883510d779aa93fb3ab20bd3132c1a607ebe5498f'
             'fce128f5e0abfa6916d5cb881456d892d1b163b9639166a4c6c1d53e4dc5086a'
-            'eb866a589a26b1979ffb2fe08be09417e277a4befac34bdb279a6bb3a27b0570')
+            'eb866a589a26b1979ffb2fe08be09417e277a4befac34bdb279a6bb3a27b0570'
+            'c791c9eb95e9db28b5a6530232885def9de941d0cbeb9e8b3b999f0567de3199')
 
 prepare() {
   cd linux-$pkgver
-  #patch -N -p1 -i "$srcdir/patch-$pkgver.3"
+  #patch -N -p1 -i "$srcdir/patch-$pkgver.7"
   patch -N -p1 -i "$srcdir/01-fix-perf-python.patch"
   patch -N -p1 -i "$srcdir/02-archlinux-paths.patch"
+  # the following patch is a fix for compile error in 3.15
+  # in the 3.16 acpidump code has been reimplemented and patch is not needed.
+  patch -N -p1 -i "$srcdir/03-fix-acpidump-compile-error.patch"
 }
 
 build() {
@@ -178,7 +184,7 @@ package_cpupower() {
 
 package_usbip() {
   pkgdesc='An USB device sharing system over IP network'
-  depends=('glib2' 'sysfsutils')
+  depends=('glib2' 'sysfsutils' 'libsystemd')
 
   pushd linux-$pkgver/drivers/staging/usbip/userspace
   make install DESTDIR="$pkgdir"