threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (c) 2019 MediaTek Inc.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <mtk_lp_plat_apmcu.h>
|
|
|
|
#include "mt6833.h"
|
|
|
|
#include "suspend/mt6833_suspend.h"
|
|
|
|
static unsigned int mt6833_lp_pwr_state;
|
|
|
|
/*
|
|
* Please make sure the race condition protection upfront
|
|
* when calling mtk_lp_plat_do_mcusys_prepare_pdn()
|
|
*/
|
|
int mt6833_do_mcusys_prepare_pdn(unsigned int status,
|
|
unsigned int *resource_req)
|
|
{
|
|
mt6833_lp_pwr_state |= (status | PLAT_GIC_MASKED
|
|
| PLAT_MCUSYSOFF_PREPARED);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Please make sure the race condition protection upfront
|
|
* when calling mtk_lp_plat_do_mcusys_prepare_on()
|
|
*/
|
|
static int __mt6833_do_mcusys_prepare_on(unsigned int clr_status)
|
|
{
|
|
mt6833_lp_pwr_state &= ~(clr_status | PLAT_GIC_MASKED
|
|
| PLAT_MCUSYSOFF_PREPARED);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mt6833_do_mcusys_prepare_on(void)
|
|
{
|
|
unsigned int status = mt6833_lp_pwr_state;
|
|
|
|
return __mt6833_do_mcusys_prepare_on(status);
|
|
}
|
|
|
|
int mt6833_do_mcusys_prepare_on_ex(unsigned int clr_status)
|
|
{
|
|
return __mt6833_do_mcusys_prepare_on(clr_status);
|
|
}
|
|
|
|
static int __init mt6833_init(void)
|
|
{
|
|
mtk_lp_plat_apmcu_init();
|
|
mt6833_model_suspend_init();
|
|
return 0;
|
|
}
|
|
late_initcall_sync(mt6833_init);
|
|
|
|
static int __init mt6833_early_init(void)
|
|
{
|
|
mtk_lp_plat_apmcu_early_init();
|
|
return 0;
|
|
}
|
|
subsys_initcall(mt6833_early_init);
|