leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ARM: at91: pm: move pm_bu to soc_pm data structure

Browse Source 
Move pm_bu to soc_pm data structure.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210415105010.569620-2-claudiu.beznea@microchip.com
This commit is contained in:
Claudiu Beznea
2021-04-15 13:49:47 +03:00
committed by Nicolas Ferre
parent 577cb67ad9
commit f19dd1df9e
1 changed files with 21 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
arch/arm/mach-at91/pm.c
View File

@@ -27,10 +27,25 @@
#include "generic.h"
#include "pm.h"
/**
* struct at91_pm_bu - AT91 power management backup unit data structure
* @suspended: true if suspended to backup mode
* @reserved: reserved
* @canary: canary data for memory checking after exit from backup mode
* @resume: resume API
*/
struct at91_pm_bu {
int suspended;
unsigned long reserved;
phys_addr_t canary;
phys_addr_t resume;
};
struct at91_soc_pm {
int (*config_shdwc_ws)(void __iomem *shdwc, u32 *mode, u32 *polarity);
int (*config_pmc_ws)(void __iomem *pmc, u32 mode, u32 polarity);
const struct of_device_id *ws_ids;
struct at91_pm_bu *bu;
struct at91_pm_data data;
};
@@ -71,13 +86,6 @@ static int at91_pm_valid_state(suspend_state_t state)
static int canary = 0xA5A5A5A5;
static struct at91_pm_bu {
int suspended;
unsigned long reserved;
phys_addr_t canary;
phys_addr_t resume;
} *pm_bu;
struct wakeup_source_info {
unsigned int pmc_fsmr_bit;
unsigned int shdwc_mr_bit;
@@ -288,7 +296,7 @@ static int at91_suspend_finish(unsigned long val)
static void at91_pm_suspend(suspend_state_t state)
{
if (soc_pm.data.mode == AT91_PM_BACKUP) {
pm_bu->suspended = 1;
soc_pm.bu->suspended = 1;
cpu_suspend(0, at91_suspend_finish);
@@ -657,16 +665,16 @@ static int __init at91_pm_backup_init(void)
goto securam_fail;
}
pm_bu = (void *)gen_pool_alloc(sram_pool, sizeof(struct at91_pm_bu));
if (!pm_bu) {
soc_pm.bu = (void *)gen_pool_alloc(sram_pool, sizeof(struct at91_pm_bu));
if (!soc_pm.bu) {
pr_warn("%s: unable to alloc securam!\n", __func__);
ret = -ENOMEM;
goto securam_fail;
}
pm_bu->suspended = 0;
pm_bu->canary = __pa_symbol(&canary);
pm_bu->resume = __pa_symbol(cpu_resume);
soc_pm.bu->suspended = 0;
soc_pm.bu->canary = __pa_symbol(&canary);
soc_pm.bu->resume = __pa_symbol(cpu_resume);
return 0;