@@ -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/cacheflush.h>
@@ -527,6 +528,9 @@ 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;
@@ -536,9 +540,11 @@ static int __init bL_switcher_init(void)
return -EINVAL;
}
- ret = bL_switcher_enable();
- if (ret)
- return ret;
+ if (!no_bL_switcher) {
+ ret = bL_switcher_enable();
+ if (ret)
+ return ret;
+ }
#ifdef CONFIG_SYSFS
ret = bL_switcher_sysfs_init();
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: Nicolas Pitre <nico@linaro.org> --- arch/arm/common/bL_switcher.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-)