diff --git a/meta-raspberrypi/recipes-kernel/kmod/kmod_%.bbappend b/meta-raspberrypi/recipes-kernel/kmod/kmod_%.bbappend
deleted file mode 100644
index db8b65c..0000000
--- a/meta-raspberrypi/recipes-kernel/kmod/kmod_%.bbappend
+++ /dev/null
@@ -1,5 +0,0 @@
-# SPDX-FileCopyrightText: Andrei Gherzan <andrei@gherzan.com>
-#
-# SPDX-License-Identifier: MIT
-
-PACKAGECONFIG:append:rpi = " xz"
diff --git a/meta-raspberrypi/recipes-kernel/linux-firmware-rpidistro/linux-firmware-rpidistro_git.bb b/meta-raspberrypi/recipes-kernel/linux-firmware-rpidistro/linux-firmware-rpidistro_git.bb
index ec59970..81ccc2c 100644
--- a/meta-raspberrypi/recipes-kernel/linux-firmware-rpidistro/linux-firmware-rpidistro_git.bb
+++ b/meta-raspberrypi/recipes-kernel/linux-firmware-rpidistro/linux-firmware-rpidistro_git.bb
@@ -62,6 +62,8 @@
     # add compat links. Fixes errors like
     # brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43455-sdio.raspberrypi,4-model-compute-module.txt failed with error -2
     ln -s brcmfmac43455-sdio.txt ${D}${nonarch_base_libdir}/firmware/brcm/brcmfmac43455-sdio.raspberrypi,4-compute-module.txt
+    # brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43455-sdio.raspberrypi,4-model-b.bin failed with error -2
+    ln -s brcmfmac43455-sdio.bin ${D}${nonarch_base_libdir}/firmware/brcm/brcmfmac43455-sdio.raspberrypi,4-model-b.bin
 }
 
 PACKAGES = "\
diff --git a/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_5.15.bb b/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_5.15.bb
index 77d4a98..63a263e 100644
--- a/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_5.15.bb
+++ b/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_5.15.bb
@@ -1,9 +1,9 @@
-LINUX_VERSION ?= "5.15.34"
+LINUX_VERSION ?= "5.15.38"
 LINUX_RPI_BRANCH ?= "rpi-5.15.y"
 LINUX_RPI_KMETA_BRANCH ?= "yocto-5.15"
 
-SRCREV_machine = "0086da6acd41600d47b87b05874f99704216426f"
-SRCREV_meta = "e1b976ee4fb5af517cf01a9f2dd4a32f560ca894"
+SRCREV_machine = "d5b5cbcd17d97f35292f960bca82c0915a03e594"
+SRCREV_meta = "37891dc371e83a3451781dd81a8a85cccd60084b"
 
 KMETA = "kernel-meta"