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Commit be90d66b authored by Avaneesh Kumar Dwivedi's avatar Avaneesh Kumar Dwivedi
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drivers: tty: serial: Conditionally disable console write 



Disable console write effectively avoiding kernel logging
if suitable config option is enabled.

Change-Id: Idf89662edb7380de59f7c35dff78cb2b48f7a55a
Signed-off-by: default avatarAvaneesh Kumar Dwivedi <akdwived@codeaurora.org>
parent 906ec760

drivers/tty/serial/Kconfig

+10 −0
Original line number Diff line number Diff line
@@ -1098,6 +1098,16 @@ config SERIAL_MSM_CONSOLE 
	select SERIAL_CORE_CONSOLE

	select SERIAL_EARLYCON



config SERIAL_RX_CONSOLE_ONLY

	bool "MSM serial rx only console support"

	depends on SERIAL_MSM=y

	select SERIAL_MSM_CONSOLE

	help

	 This enable RX i.e. input receive functionality only of

	 generic serial driver while silencing TX i.e. kernel logging

	 output to console functionality.

	 If you want to enable RX only console say Y else say N.



config SERIAL_MSM_GENI

	tristate "MSM on-chip GENI HW based serial port support"

	depends on ARCH_QCOM

drivers/tty/serial/msm_serial.c

+7 −0
Original line number Diff line number Diff line
@@ -1642,6 +1642,12 @@ static void __msm_console_write(struct uart_port *port, const char *s, 
	spin_unlock(&port->lock);

}



#ifdef CONFIG_SERIAL_RX_CONSOLE_ONLY

static void msm_console_write(struct console *co, const char *s,

			      unsigned int count)

{

}

#else

static void msm_console_write(struct console *co, const char *s,

			      unsigned int count)

{
@@ -1655,6 +1661,7 @@ static void msm_console_write(struct console *co, const char *s, 


	__msm_console_write(port, s, count, msm_port->is_uartdm);

}

#endif



static int __init msm_console_setup(struct console *co, char *options)

{