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| author | Claudiu Beznea <claudiu.beznea@microchip.com> | 2021-04-15 13:49:47 +0300 |
|---|---|---|
| committer | Nicolas Ferre <nicolas.ferre@microchip.com> | 2021-07-19 14:32:11 +0200 |
| commit | f19dd1df9e71da7e76b2c43cf640507be24bca72 (patch) | |
| tree | 76b869ac75cbf77824afbe75de99ce0a615bb1c2 /arch/arm/mach-at91 | |
| parent | 577cb67ad98b2b76985336ae204c145228362e2a (diff) | |
| download | linux-f19dd1df9e71da7e76b2c43cf640507be24bca72.tar.gz linux-f19dd1df9e71da7e76b2c43cf640507be24bca72.tar.bz2 linux-f19dd1df9e71da7e76b2c43cf640507be24bca72.zip | |
ARM: at91: pm: move pm_bu to soc_pm data structure
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
Diffstat (limited to 'arch/arm/mach-at91')
| -rw-r--r-- | arch/arm/mach-at91/pm.c | 34 |
1 files changed, 21 insertions, 13 deletions
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 90dcdfe3b3d0..e13ceef7ac9a 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -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; |