highres timer breaks pulseaudio rtp stream sync on raspberry pi

mk/modules.mk

@@ -1163,10 +1163,6 @@ $(eval $(call KMOD_template,SND,snd,\
 	$(MODULES_DIR)/kernel/sound/core/snd-pcm \
 ,40))
 
-$(eval $(call KMOD_template,SND_HRTIMER,snd-hrtimer,\
-	$(MODULES_DIR)/kernel/sound/core/snd-hrtimer \
-,41))
-
 $(eval $(call KMOD_template,SND_RAWMIDI,snd-rawmidi,\
 	$(MODULES_DIR)/kernel/sound/core/snd-hwdep \
 	$(MODULES_DIR)/kernel/sound/core/snd-rawmidi \

target/arm/kernel/raspberry-pi

@@ -2,7 +2,7 @@ CONFIG_ARM=y
 CONFIG_FIQ=y
 CONFIG_ARM_PATCH_PHYS_VIRT=y
 CONFIG_KUSER_HELPERS=y
-CONFIG_HIGH_RES_TIMERS=y
+CONFIG_PREEMPT=y
 CONFIG_TREE_PREEMPT_RCU=y
 CONFIG_PREEMPT_RCU=y
 CONFIG_ARCH_BCM2708=y
@@ -10,7 +10,6 @@ CONFIG_MACH_BCM2708=y
 CONFIG_BCM2708_GPIO=y
 CONFIG_BCM2708_VCMEM=y
 CONFIG_BCM2708_DMAER=y
-CONFIG_PREEMPT=y
 CONFIG_AEABI=y
 CONFIG_VFP=y
 CONFIG_DTC=y

target/linux/config/Config.in.audio

@@ -31,9 +31,6 @@ config ADK_KERNEL_SND_MIXER_OSS
 config ADK_KERNEL_SND_PCM_OSS
 	boolean
 
-config ADK_KERNEL_SND_HRTIMER
-	boolean
-
 config ADK_KPACKAGE_KMOD_SOUND
 	tristate
 
@@ -132,7 +129,6 @@ config ADK_KPACKAGE_KMOD_SND_BCM2835
 	tristate
 	select ADK_KPACKAGE_KMOD_SND
 	select ADK_KERNEL_SND_ARM
-	select ADK_KERNEL_SND_HRTIMER
 	depends on ADK_TARGET_SYSTEM_RASPBERRY_PI
 	default y if ADK_TARGET_SYSTEM_RASPBERRY_PI
 	default n