ARM: debug: provide 8250 debug uart flow control configuration option

Move the definition out of the machine class debug-macro.S header into the Kconfig files. Signed-off-by: Russell King <[email protected]>
berg · Aug 25, 2013 · 7610b60 · 7610b60
1 parent cce278d
commit 7610b60
Show file tree

Hide file tree

Showing 6 changed files with 10 additions and 5 deletions.
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
@@ -856,6 +856,15 @@ config DEBUG_LL_INCLUDE
 	default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
 	default "mach/debug-macro.S"
 
+config DEBUG_UART_8250
+	def_bool ARCH_EBSA110 || (FOOTBRIDGE && !DEBUG_DC21285_PORT) || \
+		ARCH_GEMINI || ARCH_RPC
+
+config DEBUG_UART_8250_FLOW_CONTROL
+	bool "Enable flow control for 8250 UART"
+	depends on DEBUG_UART_8250
+	default y if ARCH_EBSA110 || FOOTBRIDGE || ARCH_GEMINI || ARCH_RPC
+
 config DEBUG_UNCOMPRESS
 	bool
 	depends on ARCH_MULTIPLATFORM

diff --git a/arch/arm/include/asm/hardware/debug-8250.S b/arch/arm/include/asm/hardware/debug-8250.S
@@ -21,7 +21,7 @@
 		.endm
 
 		.macro	waituart,rd,rx
-#ifdef FLOW_CONTROL
+#ifdef CONFIG_DEBUG_UART_8250_FLOW_CONTROL
 1001:		ldrb	\rd, [\rx, #UART_MSR << UART_SHIFT]
 		tst	\rd, #UART_MSR_CTS
 		beq	1001b

diff --git a/arch/arm/mach-ebsa110/include/mach/debug-macro.S b/arch/arm/mach-ebsa110/include/mach/debug-macro.S
@@ -18,5 +18,4 @@
 		.endm
 
 #define UART_SHIFT	2
-#define FLOW_CONTROL
 #include <asm/hardware/debug-8250.S>
diff --git a/arch/arm/mach-footbridge/include/mach/debug-macro.S b/arch/arm/mach-footbridge/include/mach/debug-macro.S
@@ -23,7 +23,6 @@
 		.endm
 
 #define UART_SHIFT	0
-#define FLOW_CONTROL
 #include <asm/hardware/debug-8250.S>
 
 #else

diff --git a/arch/arm/mach-gemini/include/mach/debug-macro.S b/arch/arm/mach-gemini/include/mach/debug-macro.S
@@ -17,5 +17,4 @@
 	.endm
 
 #define UART_SHIFT	2
-#define FLOW_CONTROL
 #include <asm/hardware/debug-8250.S>
diff --git a/arch/arm/mach-rpc/include/mach/debug-macro.S b/arch/arm/mach-rpc/include/mach/debug-macro.S
@@ -19,5 +19,4 @@
 		.endm
 
 #define UART_SHIFT	2
-#define FLOW_CONTROL
 #include <asm/hardware/debug-8250.S>
-Original file line number
+Diff line change
@@ Expand Up / @@ -23,7 +23,6 @@ @@
     		.endm
     #define UART_SHIFT	0
-    #define FLOW_CONTROL
     #include <asm/hardware/debug-8250.S>
     #else
@@ Expand Down @@