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Commit c4821c05 authored by Nicolas Pitre's avatar Nicolas Pitre
Browse files

ARM: bL_switcher: add kernel cmdline param to disable the switcher on boot 



By adding no_bL_switcher to the kernel cmdline string, the switcher
won't be activated automatically at boot time.  It is still possible
to activate it later with:

	echo 1 > /sys/kernel/bL_switcher/active

Signed-off-by: default avatarNicolas Pitre <nico@linaro.org>
parent 6b7437ae

arch/arm/common/bL_switcher.c

+9 −3
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ 
#include <linux/string.h>

#include <linux/sysfs.h>

#include <linux/irqchip/arm-gic.h>

#include <linux/moduleparam.h>



#include <asm/smp_plat.h>

#include <asm/suspend.h>
@@ -521,6 +522,9 @@ static int __init bL_switcher_sysfs_init(void) 


#endif  /* CONFIG_SYSFS */



static bool no_bL_switcher;

core_param(no_bL_switcher, no_bL_switcher, bool, 0644);



static int __init bL_switcher_init(void)

{

	int ret;
@@ -530,9 +534,11 @@ static int __init bL_switcher_init(void) 
		return -EINVAL;

	}



	if (!no_bL_switcher) {

		ret = bL_switcher_enable();

		if (ret)

			return ret;

	}



#ifdef CONFIG_SYSFS

	ret = bL_switcher_sysfs_init();