Use bx instruction for returns

4 files changed, 4 insertions, 4 deletions

diff --git a/clocks.s b/clocks.s
index 09a0f6d..74bd215 100644
--- a/clocks.s
+++ b/clocks.s
@@ -15,4 +15,4 @@ setup_clocks:
   str r0, [r1, CLK_REF_CTRL_OFST]
   movs r0, 1 // use auxsrc (default pll_sys, =0x1) as clk_sys source
   str r0, [r1, CLK_SYS_CTRL_OFST]
-  mov pc, lr
+  bx lr
diff --git a/gpio.s b/gpio.s
index 3b98ba0..1ef296c 100644
--- a/gpio.s
+++ b/gpio.s
@@ -22,4 +22,4 @@ setup_gpio:
   tst r0, r2 // IO_BANK0 is still bit 5
   // wait for reset done
   beq 1b
-  mov pc, lr
+  bx lr
diff --git a/pll.s b/pll.s
index 68a03cc..7458f61 100644
--- a/pll.s
+++ b/pll.s
@@ -55,4 +55,4 @@ vco_lock:
   ldr r1, =(PLL_SYS_BASE + ATOMIC_CLEAR)
   movs r0, 0x8 // postdiv (bit 3)
   str r0, [r1, PWR_OFST]
-  mov pc, lr
+  bx lr
diff --git a/xosc.s b/xosc.s
index ee58ec0..acfc577 100644
--- a/xosc.s
+++ b/xosc.s
@@ -20,4 +20,4 @@ start_xosc:
   ldr r0, [r1, STATUS_OFST]
   lsrs r0, r0, 31 // poll status bit
   beq 1b
-  mov pc, lr
+  bx lr