From mboxrd@z Thu Jan 1 00:00:00 1970 From: rmk+kernel@arm.linux.org.uk (Russell King) Date: Tue, 16 Jul 2013 17:36:12 +0100 Subject: [PATCH RFC v2 03/14] ARM: debug: provide 8250 debug uart flow control configuration option In-Reply-To: <20130716163243.GY21614@n2100.arm.linux.org.uk> References: <20130716163243.GY21614@n2100.arm.linux.org.uk> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Move the definition out of the machine class debug-macro.S header into the Kconfig files. Signed-off-by: Russell King --- arch/arm/Kconfig.debug | 9 +++++++++ arch/arm/include/asm/hardware/debug-8250.S | 2 +- arch/arm/mach-ebsa110/include/mach/debug-macro.S | 1 - .../arm/mach-footbridge/include/mach/debug-macro.S | 1 - arch/arm/mach-gemini/include/mach/debug-macro.S | 1 - arch/arm/mach-rpc/include/mach/debug-macro.S | 1 - 6 files changed, 10 insertions(+), 5 deletions(-) diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 608f0f9..07ff149 100644 --- 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 default y if ARCH_MULTIPLATFORM && DEBUG_LL && \ diff --git a/arch/arm/include/asm/hardware/debug-8250.S b/arch/arm/include/asm/hardware/debug-8250.S index 22c6892..bca3045 100644 --- 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 index bb02c05..9b66e79 100644 --- 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 diff --git a/arch/arm/mach-footbridge/include/mach/debug-macro.S b/arch/arm/mach-footbridge/include/mach/debug-macro.S index c169f0c..18130fe 100644 --- 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 #else diff --git a/arch/arm/mach-gemini/include/mach/debug-macro.S b/arch/arm/mach-gemini/include/mach/debug-macro.S index 8376707..cdee448 100644 --- 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 diff --git a/arch/arm/mach-rpc/include/mach/debug-macro.S b/arch/arm/mach-rpc/include/mach/debug-macro.S index 6d28cc9..a92753d 100644 --- 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 -- 1.7.4.4