diff --git a/dde_linux/run/usb_net.run b/dde_linux/run/usb_net.run
index b021bff291..99dbb8f33c 100644
--- a/dde_linux/run/usb_net.run
+++ b/dde_linux/run/usb_net.run
@@ -46,11 +46,11 @@ set config {
 		<any-service> <parent/> <any-child/> </any-service>
 	</default-route>
 	<start name="timer">
-		<resource name="RAM" quantum="512K"/>
+		<resource name="RAM" quantum="1M"/>
 		<provides> <service name="Timer"/> </provides>
 	</start>
 	<start name="usb_drv">
-		<resource name="RAM" quantum="6M"/>
+		<resource name="RAM" quantum="12M"/>
 		<provides>
 			<service name="Nic"/>
 		</provides>
diff --git a/dde_linux/run/usb_storage.run b/dde_linux/run/usb_storage.run
index 2beb8b1c6b..72405ac481 100644
--- a/dde_linux/run/usb_storage.run
+++ b/dde_linux/run/usb_storage.run
@@ -79,7 +79,7 @@ append config {
 		<provides> <service name="Timer"/> </provides>
 	</start>
 	<start name="usb_drv">
-		<resource name="RAM" quantum="6M"/>
+		<resource name="RAM" quantum="12M"/>
 		<provides> <service name="Block"/> </provides>
 		<config uhci="yes" ehci="yes" xhci="yes"><storage /></config>
 	</start>
diff --git a/dde_linux/src/lib/usb/arm/platform_arndale/platform.cc b/dde_linux/src/lib/usb/arm/platform_arndale/platform.cc
index 4d9347bf4d..53655875a2 100644
--- a/dde_linux/src/lib/usb/arm/platform_arndale/platform.cc
+++ b/dde_linux/src/lib/usb/arm/platform_arndale/platform.cc
@@ -243,8 +243,11 @@ struct Phy_usb3 : Genode::Mmio
 		/* setup clock  */
 		Phy_clk_rst::access_t clk = 0;
 
-		/* set external clock */
-		Phy_clk_rst::Ref_clk_sel::set(clk, 3);
+		/*
+		 * Use same reference clock for high speed
+		 * as for super speed
+		 */
+		Phy_clk_rst::Ref_clk_sel::set(clk, 0x2);
 		/* 24 MHz */
 		Phy_clk_rst::Fsel::set(clk, 0x2a);
 		Phy_clk_rst::Mpll_mult::set(clk, 0x68);
diff --git a/dde_linux/src/lib/usb/dummies.c b/dde_linux/src/lib/usb/dummies.c
index c23285ede8..3df2acc56f 100644
--- a/dde_linux/src/lib/usb/dummies.c
+++ b/dde_linux/src/lib/usb/dummies.c
@@ -191,7 +191,6 @@ s64 ktime_us_delta(const ktime_t later, const ktime_t earlier) { TRACE; return 0
  ** linux/timer.h **
  *******************/
 
-int del_timer_sync(struct timer_list *timer) { TRACE; return 0; }
 unsigned long round_jiffies(unsigned long j) { TRACE; return 1; }
 void add_timer(struct timer_list *timer) { TRACE; }
 void set_timer_slack(struct timer_list *time, int slack_hz) { TRACE; }
@@ -671,7 +670,6 @@ void dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
                     enum dma_data_direction direction) { SKIP;; }
 
 int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) { SKIP; return 0; }
-int dma_set_mask(struct device *dev, u64 mask) { TRACE; return 0; }
 
 
 /*****************
diff --git a/dde_linux/src/lib/usb/include/lx_emul.h b/dde_linux/src/lib/usb/include/lx_emul.h
index ce4445173f..20f2ca3ddd 100644
--- a/dde_linux/src/lib/usb/include/lx_emul.h
+++ b/dde_linux/src/lib/usb/include/lx_emul.h
@@ -953,7 +953,6 @@ struct timer_list {
 void init_timer(struct timer_list *);
 int mod_timer(struct timer_list *timer, unsigned long expires);
 int del_timer(struct timer_list * timer);
-int del_timer_sync(struct timer_list * timer);
 void setup_timer(struct timer_list *timer,void (*function)(unsigned long),
                  unsigned long data);
 int timer_pending(const struct timer_list * timer);
@@ -962,6 +961,9 @@ unsigned long round_jiffies(unsigned long j);
 void add_timer(struct timer_list *timer);
 void set_timer_slack(struct timer_list *time, int slack_hz);
 
+static inline
+int del_timer_sync(struct timer_list * timer) { return del_timer(timer); }
+
 
 /*********************
  ** linux/hrtimer.h **
@@ -1650,7 +1652,7 @@ void  dma_free_coherent(struct device *, size_t, void *, dma_addr_t);
 
 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
 static inline int dma_set_coherent_mask(struct device *dev, u64 mask) { dev->coherent_dma_mask = mask; return 0; }
-int dma_set_mask(struct device *dev, u64 mask);
+static inline int dma_set_mask(struct device *dev, u64 mask) { *dev->dma_mask = mask; return 0; }
 
 /*********************
  ** linux/uaccess.h **