Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'pmdomain-v6.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
Pull pmdomain fixes from Ulf Hansson:
"pmdomain core:
- Restore behaviour for disabling unused PM domains and introduce the
GENPD_FLAG_NO_STAY_ON configuration bit
pmdomain providers:
- renesas: Don't keep unused PM domains powered-on
- rockchip: Fix regulator dependency with GENPD_FLAG_NO_STAY_ON"
* tag 'pmdomain-v6.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm:
pmdomain: renesas: rmobile-sysc: Don't keep unused PM domains powered-on
pmdomain: renesas: rcar-gen4-sysc: Don't keep unused PM domains powered-on
pmdomain: renesas: rcar-sysc: Don't keep unused PM domains powered-on
pmdomain: rockchip: Fix regulator dependency with GENPD_FLAG_NO_STAY_ON
pmdomain: core: Restore behaviour for disabling unused PM domains
pmdomain: renesas: rcar-sysc: Make rcar_sysc_onecell_np __initdata
+27
-9
+14
-6
drivers/pmdomain/core.c
+14
-6
drivers/pmdomain/core.c
···
187
187
#define genpd_is_opp_table_fw(genpd) (genpd->flags & GENPD_FLAG_OPP_TABLE_FW)
188
188
#define genpd_is_dev_name_fw(genpd) (genpd->flags & GENPD_FLAG_DEV_NAME_FW)
189
189
#define genpd_is_no_sync_state(genpd) (genpd->flags & GENPD_FLAG_NO_SYNC_STATE)
190
+
#define genpd_is_no_stay_on(genpd) (genpd->flags & GENPD_FLAG_NO_STAY_ON)
190
191
191
192
static inline bool irq_safe_dev_in_sleep_domain(struct device *dev,
192
193
const struct generic_pm_domain *genpd)
···
1358
1357
return ret;
1359
1358
}
1360
1359
1361
-
#ifndef CONFIG_PM_GENERIC_DOMAINS_OF
1362
1360
static bool pd_ignore_unused;
1363
1361
static int __init pd_ignore_unused_setup(char *__unused)
1364
1362
{
···
1382
1382
mutex_lock(&gpd_list_lock);
1383
1383
1384
1384
list_for_each_entry(genpd, &gpd_list, gpd_list_node) {
1385
-
genpd_lock(genpd);
1386
-
genpd->stay_on = false;
1387
-
genpd_unlock(genpd);
1388
1385
genpd_queue_power_off_work(genpd);
1389
1386
}
1390
1387
···
1390
1393
return 0;
1391
1394
}
1392
1395
late_initcall_sync(genpd_power_off_unused);
1393
-
#endif
1394
1396
1395
1397
#ifdef CONFIG_PM_SLEEP
1396
1398
···
2363
2367
}
2364
2368
}
2365
2369
2370
+
#ifdef CONFIG_PM_GENERIC_DOMAINS_OF
2371
+
static void genpd_set_stay_on(struct generic_pm_domain *genpd, bool is_off)
2372
+
{
2373
+
genpd->stay_on = !genpd_is_no_stay_on(genpd) && !is_off;
2374
+
}
2375
+
#else
2376
+
static void genpd_set_stay_on(struct generic_pm_domain *genpd, bool is_off)
2377
+
{
2378
+
genpd->stay_on = false;
2379
+
}
2380
+
#endif
2381
+
2366
2382
/**
2367
2383
* pm_genpd_init - Initialize a generic I/O PM domain object.
2368
2384
* @genpd: PM domain object to initialize.
···
2400
2392
INIT_WORK(&genpd->power_off_work, genpd_power_off_work_fn);
2401
2393
atomic_set(&genpd->sd_count, 0);
2402
2394
genpd->status = is_off ? GENPD_STATE_OFF : GENPD_STATE_ON;
2403
-
genpd->stay_on = !is_off;
2395
+
genpd_set_stay_on(genpd, is_off);
2404
2396
genpd->sync_state = GENPD_SYNC_STATE_OFF;
2405
2397
genpd->device_count = 0;
2406
2398
genpd->provider = NULL;
+1
drivers/pmdomain/renesas/rcar-gen4-sysc.c
+1
drivers/pmdomain/renesas/rcar-gen4-sysc.c
+2
-1
drivers/pmdomain/renesas/rcar-sysc.c
+2
-1
drivers/pmdomain/renesas/rcar-sysc.c
···
241
241
}
242
242
}
243
243
244
+
genpd->flags |= GENPD_FLAG_NO_STAY_ON;
244
245
genpd->power_off = rcar_sysc_pd_power_off;
245
246
genpd->power_on = rcar_sysc_pd_power_on;
246
247
···
343
342
};
344
343
345
344
static struct genpd_onecell_data *rcar_sysc_onecell_data;
346
-
static struct device_node *rcar_sysc_onecell_np;
345
+
static struct device_node *rcar_sysc_onecell_np __initdata = NULL;
347
346
348
347
static int __init rcar_sysc_pd_init(void)
349
348
{
+2
-1
drivers/pmdomain/renesas/rmobile-sysc.c
+2
-1
drivers/pmdomain/renesas/rmobile-sysc.c
···
100
100
struct generic_pm_domain *genpd = &rmobile_pd->genpd;
101
101
struct dev_power_governor *gov = rmobile_pd->gov;
102
102
103
-
genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
103
+
genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP |
104
+
GENPD_FLAG_NO_STAY_ON;
104
105
genpd->attach_dev = cpg_mstp_attach_dev;
105
106
genpd->detach_dev = cpg_mstp_detach_dev;
106
107
+1
-1
drivers/pmdomain/rockchip/pm-domains.c
+1
-1
drivers/pmdomain/rockchip/pm-domains.c
···
865
865
pd->genpd.power_on = rockchip_pd_power_on;
866
866
pd->genpd.attach_dev = rockchip_pd_attach_dev;
867
867
pd->genpd.detach_dev = rockchip_pd_detach_dev;
868
-
pd->genpd.flags = GENPD_FLAG_PM_CLK;
868
+
pd->genpd.flags = GENPD_FLAG_PM_CLK | GENPD_FLAG_NO_STAY_ON;
869
869
if (pd_info->active_wakeup)
870
870
pd->genpd.flags |= GENPD_FLAG_ACTIVE_WAKEUP;
871
871
pm_genpd_init(&pd->genpd, NULL,
+7
include/linux/pm_domain.h
+7
include/linux/pm_domain.h
···
115
115
* genpd provider specific way, likely through a
116
116
* parent device node. This flag makes genpd to
117
117
* skip its internal support for this.
118
+
*
119
+
* GENPD_FLAG_NO_STAY_ON: For genpd OF providers a powered-on PM domain at
120
+
* initialization is prevented from being
121
+
* powered-off until the ->sync_state() callback is
122
+
* invoked. This flag informs genpd to allow a
123
+
* power-off without waiting for ->sync_state().
118
124
*/
119
125
#define GENPD_FLAG_PM_CLK (1U << 0)
120
126
#define GENPD_FLAG_IRQ_SAFE (1U << 1)
···
132
126
#define GENPD_FLAG_OPP_TABLE_FW (1U << 7)
133
127
#define GENPD_FLAG_DEV_NAME_FW (1U << 8)
134
128
#define GENPD_FLAG_NO_SYNC_STATE (1U << 9)
129
+
#define GENPD_FLAG_NO_STAY_ON (1U << 10)
135
130
136
131
enum gpd_status {
137
132
GENPD_STATE_ON = 0, /* PM domain is on */