ARM: clps711x: Fix lowlevel debug-macro

CTS signal can not be used for the port and tied to any logic state.
In this case we have an infinite loop waiting for the signal. For fix
this problem, checking CTS removed, waiting for the signal "busy" was
postponed after the byte write to the port.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>

diff --git a/arch/arm/mach-clps711x/include/mach/debug-macro.S b/arch/arm/mach-clps711x/include/mach/debug-macro.S
index 118b3d9..cb3684f 100644 (file)
--- a/arch/arm/mach-clps711x/include/mach/debug-macro.S
+++ b/arch/arm/mach-clps711x/include/mach/debug-macro.S
@@ -28,17 +28,11 @@
                .endm
 
                .macro  waituart,rd,rx
-1001:          ldr     \rd, [\rx, #0x0140]     @ SYSFLGx
-               tst     \rd, #1 << 11           @ UBUSYx
-               bne     1001b
                .endm
 
                .macro  busyuart,rd,rx
-               tst     \rx, #0x1000            @ UART2 does not have CTS here
-               bne     1002f
 1001:          ldr     \rd, [\rx, #0x0140]     @ SYSFLGx
-               tst     \rd, #1 << 8            @ CTS
+               tst     \rd, #1 << 11           @ UBUSYx
                bne     1001b
-1002:
                .endm