Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5e288c43 authored by Bjorn Andersson's avatar Bjorn Andersson Committed by Andreas Schneider
Browse files

arm64: charger: Hack to set androidboot.mode=charger 

Based on the parameters startup and warmboot we patch the command line
that init will read to determin if the device was powerd on by a
charger.
parent 288a233b

arch/arm64/kernel/setup.c

+28 −0
Original line number Diff line number Diff line
@@ -302,6 +302,34 @@ u64 __cpu_logical_map[NR_CPUS] = { [0 ... NR_CPUS-1] = INVALID_HWID }; 


void __init __weak init_random_pool(void) { }



/*

 * HACK: These two functions sets the androidboot.mode=charger based

 * on the Sony Mobile parameters startup and warmboot.

 */

static unsigned long sony_startup;



static int __init sony_param_startup(char *p)

{

	if (kstrtoul(p, 16, &sony_startup))

		return 1;

	return 0;

}

early_param("startup", sony_param_startup);



static int __init sony_param_warmboot(char *p)

{

	unsigned long warmboot;



	if (kstrtoul(p, 16, &warmboot))

		return 1;



	if (!warmboot && (sony_startup & 0x4004))

		strlcat(boot_command_line, " androidboot.mode=charger",

			COMMAND_LINE_SIZE);

	return 0;

}

early_param("warmboot", sony_param_warmboot);



void __init setup_arch(char **cmdline_p)

{

	pr_info("Boot CPU: AArch64 Processor [%08x]\n", read_cpuid_id());