fix more yellow

Change-Id: I74bad58707d05ea167169d4315c05eb0cd1c8b7b

4 files changed, 9 insertions, 2 deletions

diff --git a/firmware/drivers/isp1583.c b/firmware/drivers/isp1583.c
index 80dce59731..f6168d9f28 100644
--- a/firmware/drivers/isp1583.c
+++ b/firmware/drivers/isp1583.c
@@ -365,6 +365,7 @@ static void usb_handle_data_int(int ep, int dir)
         endpoints[ep].in_ack = 1;
     }
     logf("usb_handle_data_int(%d, %d) finished", ep, dir);
+    void(len);
 }
 
 bool usb_drv_powered(void)
diff --git a/firmware/target/arm/rk27xx/hm801/button-hm801.c b/firmware/target/arm/rk27xx/hm801/button-hm801.c
index 0ac1b3b0aa..5f01a7bd14 100644
--- a/firmware/target/arm/rk27xx/hm801/button-hm801.c
+++ b/firmware/target/arm/rk27xx/hm801/button-hm801.c
@@ -137,9 +137,11 @@ static int button_read_device_v2(void) {
 
 int button_read_device(void) {
     static bool hold_button = false;
+#ifndef BOOTLOADER
     bool hold_button_old;
 
     hold_button_old = hold_button;
+#endif
     hold_button = button_hold();
 
 #ifndef BOOTLOADER
@@ -147,7 +149,7 @@ int button_read_device(void) {
         backlight_hold_changed(hold_button);
     }
 #endif
-    
+
     if (hold_button) {
         return 0;
     } else if (kbd_type == KEYBOARD_V1) {
diff --git a/firmware/target/arm/sandisk/sansa-c200/button-c200.c b/firmware/target/arm/sandisk/sansa-c200/button-c200.c
index c19d19c1df..e42577fab3 100644
--- a/firmware/target/arm/sandisk/sansa-c200/button-c200.c
+++ b/firmware/target/arm/sandisk/sansa-c200/button-c200.c
@@ -40,10 +40,12 @@ int button_read_device(void)
 {
     int btn = BUTTON_NONE;
     static bool hold_button = false;
+#ifndef BOOTLOADER
     bool hold_button_old;
 
     /* Hold */
     hold_button_old = hold_button;
+#endif
     hold_button = button_hold();
 
 #ifndef BOOTLOADER
diff --git a/firmware/target/coldfire/mpio/hd300/button-hd300.c b/firmware/target/coldfire/mpio/hd300/button-hd300.c
index e84b8d442b..2fdde6f641 100644
--- a/firmware/target/coldfire/mpio/hd300/button-hd300.c
+++ b/firmware/target/coldfire/mpio/hd300/button-hd300.c
@@ -194,13 +194,15 @@ int button_read_device(void)
     int data = 0;
     static bool hold_button = false;
 
+#ifndef BOOTLOADER
     bool hold_button_old;
 
 
     /* read hold buttons status */
     hold_button_old = hold_button;
+#endif
     hold_button = button_hold();
-    
+
 #ifndef BOOTLOADER
     /* Only main hold affects backlight */
     if (hold_button != hold_button_old)