Commit ea7d3fd8 authored by Rahul Tanwar's avatar Rahul Tanwar Committed by Greg Kroah-Hartman
Browse files

serial: lantiq: Make UART's use as console selectable 



Lantiq UART driver can be used for system console. Add changes to
make this driver's use as console selectable/configurable.

Signed-off-by: default avatarRahul Tanwar <rahul.tanwar@linux.intel.com>
Link: https://lore.kernel.org/r/35f2d002ba1cb26192fe4d9b8cdab275300705bc.1589176044.git.rahul.tanwar@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent cf9c9445

drivers/tty/serial/Kconfig

+8 −1
Original line number Original line Diff line number Diff line
@@ -1037,10 +1037,17 @@ config SERIAL_LANTIQ 
	bool "Lantiq serial driver"

	bool "Lantiq serial driver"

	depends on (LANTIQ || X86) || COMPILE_TEST

	depends on (LANTIQ || X86) || COMPILE_TEST

	select SERIAL_CORE

	select SERIAL_CORE

	help

	  Support for UART on Lantiq and Intel SoCs.



config SERIAL_LANTIQ_CONSOLE

	bool "Console on Lantiq UART"

	depends on SERIAL_LANTIQ=y

	select SERIAL_CORE_CONSOLE

	select SERIAL_CORE_CONSOLE

	select SERIAL_EARLYCON

	select SERIAL_EARLYCON

	help

	help

	  Support for console and UART on Lantiq SoCs.

	  Select this option if you would like to use a Lantiq UART as the

	  system console.





config SERIAL_QE

config SERIAL_QE

	tristate "Freescale QUICC Engine serial port support"

	tristate "Freescale QUICC Engine serial port support"

drivers/tty/serial/lantiq.c

+10 −1
Original line number Original line Diff line number Diff line
@@ -597,6 +597,7 @@ static const struct uart_ops lqasc_pops = { 
	.verify_port =	lqasc_verify_port,

	.verify_port =	lqasc_verify_port,

};

};





#ifdef CONFIG_SERIAL_LANTIQ_CONSOLE

static void

static void

lqasc_console_putchar(struct uart_port *port, int ch)

lqasc_console_putchar(struct uart_port *port, int ch)

{

{
@@ -705,6 +706,14 @@ lqasc_serial_early_console_setup(struct earlycon_device *device, 
OF_EARLYCON_DECLARE(lantiq, "lantiq,asc", lqasc_serial_early_console_setup);

OF_EARLYCON_DECLARE(lantiq, "lantiq,asc", lqasc_serial_early_console_setup);

OF_EARLYCON_DECLARE(lantiq, "intel,lgm-asc", lqasc_serial_early_console_setup);

OF_EARLYCON_DECLARE(lantiq, "intel,lgm-asc", lqasc_serial_early_console_setup);





#define LANTIQ_SERIAL_CONSOLE	(&lqasc_console)



#else



#define LANTIQ_SERIAL_CONSOLE	NULL



#endif /* CONFIG_SERIAL_LANTIQ_CONSOLE */



static struct uart_driver lqasc_reg = {

static struct uart_driver lqasc_reg = {

	.owner =	THIS_MODULE,

	.owner =	THIS_MODULE,

	.driver_name =	DRVNAME,

	.driver_name =	DRVNAME,
@@ -712,7 +721,7 @@ static struct uart_driver lqasc_reg = { 
	.major =	0,

	.major =	0,

	.minor =	0,

	.minor =	0,

	.nr =		MAXPORTS,

	.nr =		MAXPORTS,

	.cons =		&lqasc_console,

	.cons =		LANTIQ_SERIAL_CONSOLE,

};

};





static int fetch_irq_lantiq(struct device *dev, struct ltq_uart_port *ltq_port)

static int fetch_irq_lantiq(struct device *dev, struct ltq_uart_port *ltq_port)

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