From 7255f87a7169689be2d4722375744a1f932d4b28 Mon Sep 17 00:00:00 2001 From: Alexander Shiyan Date: Tue, 21 Aug 2012 20:59:34 +0400 Subject: 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 --- arch/arm/mach-clps711x/include/mach/debug-macro.S | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) (limited to 'arch/arm/mach-clps711x/include/mach/debug-macro.S') diff --git a/arch/arm/mach-clps711x/include/mach/debug-macro.S b/arch/arm/mach-clps711x/include/mach/debug-macro.S index 118b3d93057..cb3684f8dae 100644 --- 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 -- cgit v1.2.3