Merge tag 'pmdomain-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm

Pull pmdomain updates from Ulf Hansson:
 "pmdomain core:
   - Don't clear suspended_count at genpd_prepare()
   - Update the rejected/usage counters at system suspend too

  pmdomain providers:
   - ti-sci: Fix duplicate PD referrals
   - mediatek: Add MT8188 buck isolation setting
   - renesas: Add R-Car M3-W power-off delay quirk
   - renesas: Split R-Car M3-W and M3-W+ sub-drivers

  cpuidle-psci:
   - Update MAINTAINERS to set a git for DT IDLE PM DOMAIN/ARM PSCI PM
     DOMAIN
   - Update init level to core_initcall()
   - Drop superfluous wrappers psci_dt_attach|detach_cpu()"

* tag 'pmdomain-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm:
  pmdomain: ti-sci: Fix duplicate PD referrals
  pmdomain: core: Don't clear suspended_count at genpd_prepare()
  pmdomain: core: Update the rejected/usage counters at system suspend too
  pmdomain: renesas: rcar-sysc: Add R-Car M3-W power-off delay quirk
  pmdomain: renesas: rcar-sysc: Remove rcar_sysc_nullify() helper
  pmdomain: renesas: rcar-sysc: Split R-Car M3-W and M3-W+ sub-drivers
  pmdomain: renesas: rcar-sysc: Absorb rcar_sysc_ch into rcar_sysc_pd
  MAINTAINERS: Add a git for the DT IDLE PM DOMAIN
  MAINTAINERS: Add a git for the ARM PSCI PM DOMAIN
  cpuidle: psci: Update init level to core_initcall()
  cpuidle: psci: Drop superfluous wrappers psci_dt_attach|detach_cpu()
  pmdomain: mediatek: Add MT8188 buck isolation setting
  pmdomain: mediatek: scpsys: drop driver owner assignment

Author: torvalds

MAINTAINERS

@@ -5658,13 +5658,15 @@ M:	Ulf Hansson <[email protected]>
 L:	[email protected]
 L:	[email protected] (moderated for non-subscribers)
 S:	Supported
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm.git
 F:	drivers/cpuidle/cpuidle-psci-domain.c
 F:	drivers/cpuidle/cpuidle-psci.h
 
 CPUIDLE DRIVER - DT IDLE PM DOMAIN
 M:	Ulf Hansson <[email protected]>
 L:	[email protected]
 S:	Supported
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm.git
 F:	drivers/cpuidle/dt_idle_genpd.c
 F:	drivers/cpuidle/dt_idle_genpd.h
 

drivers/cpuidle/cpuidle-psci-domain.c

@@ -20,6 +20,7 @@
 #include <linux/string.h>
 
 #include "cpuidle-psci.h"
+#include "dt_idle_genpd.h"
 
 struct psci_pd_provider {
 	struct list_head link;
@@ -200,4 +201,4 @@ static int __init psci_idle_init_domains(void)
 {
 	return platform_driver_register(&psci_cpuidle_domain_driver);
 }
-subsys_initcall(psci_idle_init_domains);
+core_initcall(psci_idle_init_domains);

drivers/cpuidle/cpuidle-psci.c

@@ -28,6 +28,7 @@
 
 #include "cpuidle-psci.h"
 #include "dt_idle_states.h"
+#include "dt_idle_genpd.h"
 
 struct psci_cpuidle_data {
 	u32 *psci_states;
@@ -224,7 +225,7 @@ static int psci_dt_cpu_init_topology(struct cpuidle_driver *drv,
 	if (IS_ENABLED(CONFIG_PREEMPT_RT))
 		return 0;
 
-	data->dev = psci_dt_attach_cpu(cpu);
+	data->dev = dt_idle_attach_cpu(cpu, "psci");
 	if (IS_ERR_OR_NULL(data->dev))
 		return PTR_ERR_OR_ZERO(data->dev);
 
@@ -311,7 +312,7 @@ static void psci_cpu_deinit_idle(int cpu)
 {
 	struct psci_cpuidle_data *data = per_cpu_ptr(&psci_cpuidle_data, cpu);
 
-	psci_dt_detach_cpu(data->dev);
+	dt_idle_detach_cpu(data->dev);
 	psci_cpuidle_use_cpuhp = false;
 }
 

drivers/cpuidle/cpuidle-psci.h

@@ -3,29 +3,9 @@
 #ifndef __CPUIDLE_PSCI_H
 #define __CPUIDLE_PSCI_H
 
-struct device;
 struct device_node;
 
 void psci_set_domain_state(u32 state);
 int psci_dt_parse_state_node(struct device_node *np, u32 *state);
 
-#ifdef CONFIG_ARM_PSCI_CPUIDLE_DOMAIN
-
-#include "dt_idle_genpd.h"
-
-static inline struct device *psci_dt_attach_cpu(int cpu)
-{
-	return dt_idle_attach_cpu(cpu, "psci");
-}
-
-static inline void psci_dt_detach_cpu(struct device *dev)
-{
-	dt_idle_detach_cpu(dev);
-}
-
-#else
-static inline struct device *psci_dt_attach_cpu(int cpu) { return NULL; }
-static inline void psci_dt_detach_cpu(struct device *dev) { }
-#endif
-
 #endif /* __CPUIDLE_PSCI_H */

drivers/pmdomain/core.c

@@ -1178,8 +1178,12 @@ static void genpd_sync_power_off(struct generic_pm_domain *genpd, bool use_lock,
 
 	/* Choose the deepest state when suspending */
 	genpd->state_idx = genpd->state_count - 1;
-	if (_genpd_power_off(genpd, false))
+	if (_genpd_power_off(genpd, false)) {
+		genpd->states[genpd->state_idx].rejected++;
 		return;
+	} else {
+		genpd->states[genpd->state_idx].usage++;
+	}
 
 	genpd->status = GENPD_STATE_OFF;
 
@@ -1251,10 +1255,7 @@ static int genpd_prepare(struct device *dev)
 		return -EINVAL;
 
 	genpd_lock(genpd);
-
-	if (genpd->prepared_count++ == 0)
-		genpd->suspended_count = 0;
-
+	genpd->prepared_count++;
 	genpd_unlock(genpd);
 
 	ret = pm_generic_prepare(dev);

drivers/pmdomain/mediatek/mt8188-pm-domains.h

@@ -175,6 +175,8 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8188[] = {
 		.ctl_offs = 0x35C,
 		.pwr_sta_offs = 0x16C,
 		.pwr_sta2nd_offs = 0x170,
+		.ext_buck_iso_offs = 0x3EC,
+		.ext_buck_iso_mask = BIT(10),
 		.bp_cfg = {
 			BUS_PROT_WR(INFRA,
 				    MT8188_TOP_AXI_PROT_EN_2_ADSP_AO_STEP1,
@@ -187,7 +189,7 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8188[] = {
 				    MT8188_TOP_AXI_PROT_EN_2_CLR,
 				    MT8188_TOP_AXI_PROT_EN_2_STA),
 		},
-		.caps = MTK_SCPD_ALWAYS_ON,
+		.caps = MTK_SCPD_ALWAYS_ON | MTK_SCPD_EXT_BUCK_ISO,
 	},
 	[MT8188_POWER_DOMAIN_ADSP_INFRA] = {
 		.name = "adsp_infra",
@@ -524,6 +526,8 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8188[] = {
 		.ctl_offs = 0x3A4,
 		.pwr_sta_offs = 0x16C,
 		.pwr_sta2nd_offs = 0x170,
+		.ext_buck_iso_offs = 0x3EC,
+		.ext_buck_iso_mask = BIT(12),
 		.bp_cfg = {
 			BUS_PROT_WR(INFRA,
 				    MT8188_TOP_AXI_PROT_EN_MM_IMG_VCORE_STEP1,
@@ -541,7 +545,8 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8188[] = {
 				    MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
 				    MT8188_TOP_AXI_PROT_EN_MM_2_STA),
 		},
-		.caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
+		.caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY |
+			MTK_SCPD_EXT_BUCK_ISO,
 	},
 	[MT8188_POWER_DOMAIN_IMG_MAIN] = {
 		.name = "img_main",
@@ -591,6 +596,8 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8188[] = {
 		.ctl_offs = 0x3A0,
 		.pwr_sta_offs = 0x16C,
 		.pwr_sta2nd_offs = 0x170,
+		.ext_buck_iso_offs = 0x3EC,
+		.ext_buck_iso_mask = BIT(11),
 		.bp_cfg = {
 			BUS_PROT_WR(INFRA,
 				    MT8188_TOP_AXI_PROT_EN_MM_CAM_VCORE_STEP1,
@@ -618,7 +625,8 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8188[] = {
 				    MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
 				    MT8188_TOP_AXI_PROT_EN_MM_2_STA),
 		},
-		.caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
+		.caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY |
+			MTK_SCPD_EXT_BUCK_ISO,
 	},
 	[MT8188_POWER_DOMAIN_CAM_MAIN] = {
 		.name = "cam_main",

drivers/pmdomain/mediatek/mtk-scpsys.c

@@ -1138,7 +1138,6 @@ static struct platform_driver scpsys_drv = {
 	.driver = {
 		.name = "mtk-scpsys",
 		.suppress_bind_attrs = true,
-		.owner = THIS_MODULE,
 		.of_match_table = of_scpsys_match_tbl,
 	},
 };

drivers/pmdomain/renesas/Makefile

@@ -14,8 +14,8 @@ obj-$(CONFIG_SYSC_R8A7791)	+= r8a7791-sysc.o
 obj-$(CONFIG_SYSC_R8A7792)	+= r8a7792-sysc.o
 obj-$(CONFIG_SYSC_R8A7794)	+= r8a7794-sysc.o
 obj-$(CONFIG_SYSC_R8A7795)	+= r8a7795-sysc.o
-obj-$(CONFIG_SYSC_R8A77960)	+= r8a7796-sysc.o
-obj-$(CONFIG_SYSC_R8A77961)	+= r8a7796-sysc.o
+obj-$(CONFIG_SYSC_R8A77960)	+= r8a77960-sysc.o
+obj-$(CONFIG_SYSC_R8A77961)	+= r8a77961-sysc.o
 obj-$(CONFIG_SYSC_R8A77965)	+= r8a77965-sysc.o
 obj-$(CONFIG_SYSC_R8A77970)	+= r8a77970-sysc.o
 obj-$(CONFIG_SYSC_R8A77980)	+= r8a77980-sysc.o

drivers/pmdomain/renesas/r8a77960-sysc.c

@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car M3-W System Controller
+ *
+ * Copyright (C) 2016 Glider bvba
+ * Copyright (C) 2018-2019 Renesas Electronics Corporation
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7796-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a77960_areas[] __initconst = {
+	{ "always-on",	    0, 0, R8A7796_PD_ALWAYS_ON,	-1, PD_ALWAYS_ON },
+	{ "ca57-scu",	0x1c0, 0, R8A7796_PD_CA57_SCU,	R8A7796_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca57-cpu0",	 0x80, 0, R8A7796_PD_CA57_CPU0,	R8A7796_PD_CA57_SCU,
+	  PD_CPU_NOCR },
+	{ "ca57-cpu1",	 0x80, 1, R8A7796_PD_CA57_CPU1,	R8A7796_PD_CA57_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-scu",	0x140, 0, R8A7796_PD_CA53_SCU,	R8A7796_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca53-cpu0",	0x200, 0, R8A7796_PD_CA53_CPU0,	R8A7796_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-cpu1",	0x200, 1, R8A7796_PD_CA53_CPU1,	R8A7796_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-cpu2",	0x200, 2, R8A7796_PD_CA53_CPU2,	R8A7796_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-cpu3",	0x200, 3, R8A7796_PD_CA53_CPU3,	R8A7796_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "cr7",	0x240, 0, R8A7796_PD_CR7,	R8A7796_PD_ALWAYS_ON },
+	{ "a3vc",	0x380, 0, R8A7796_PD_A3VC,	R8A7796_PD_ALWAYS_ON,
+	  PD_OFF_DELAY },
+	{ "a2vc0",	0x3c0, 0, R8A7796_PD_A2VC0,	R8A7796_PD_A3VC },
+	{ "a2vc1",	0x3c0, 1, R8A7796_PD_A2VC1,	R8A7796_PD_A3VC },
+	{ "3dg-a",	0x100, 0, R8A7796_PD_3DG_A,	R8A7796_PD_ALWAYS_ON },
+	{ "3dg-b",	0x100, 1, R8A7796_PD_3DG_B,	R8A7796_PD_3DG_A },
+	{ "a3ir",	0x180, 0, R8A7796_PD_A3IR,	R8A7796_PD_ALWAYS_ON,
+	  PD_OFF_DELAY },
+};
+
+
+const struct rcar_sysc_info r8a77960_sysc_info __initconst = {
+	.areas = r8a77960_areas,
+	.num_areas = ARRAY_SIZE(r8a77960_areas),
+};

drivers/pmdomain/renesas/r8a7796-sysc.c renamed to drivers/pmdomain/renesas/r8a77961-sysc.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Renesas R-Car M3-W/W+ System Controller
+ * Renesas R-Car M3-W+ System Controller
  *
  * Copyright (C) 2016 Glider bvba
  * Copyright (C) 2018-2019 Renesas Electronics Corporation
@@ -13,7 +13,7 @@
 
 #include "rcar-sysc.h"
 
-static struct rcar_sysc_area r8a7796_areas[] __initdata = {
+static const struct rcar_sysc_area r8a77961_areas[] __initconst = {
 	{ "always-on",	    0, 0, R8A7796_PD_ALWAYS_ON,	-1, PD_ALWAYS_ON },
 	{ "ca57-scu",	0x1c0, 0, R8A7796_PD_CA57_SCU,	R8A7796_PD_ALWAYS_ON,
 	  PD_SCU },
@@ -33,35 +33,15 @@ static struct rcar_sysc_area r8a7796_areas[] __initdata = {
 	  PD_CPU_NOCR },
 	{ "cr7",	0x240, 0, R8A7796_PD_CR7,	R8A7796_PD_ALWAYS_ON },
 	{ "a3vc",	0x380, 0, R8A7796_PD_A3VC,	R8A7796_PD_ALWAYS_ON },
-	{ "a2vc0",	0x3c0, 0, R8A7796_PD_A2VC0,	R8A7796_PD_A3VC },
 	{ "a2vc1",	0x3c0, 1, R8A7796_PD_A2VC1,	R8A7796_PD_A3VC },
 	{ "3dg-a",	0x100, 0, R8A7796_PD_3DG_A,	R8A7796_PD_ALWAYS_ON },
 	{ "3dg-b",	0x100, 1, R8A7796_PD_3DG_B,	R8A7796_PD_3DG_A },
 	{ "a3ir",	0x180, 0, R8A7796_PD_A3IR,	R8A7796_PD_ALWAYS_ON },
 };
 
-
-#ifdef CONFIG_SYSC_R8A77960
-const struct rcar_sysc_info r8a77960_sysc_info __initconst = {
-	.areas = r8a7796_areas,
-	.num_areas = ARRAY_SIZE(r8a7796_areas),
-};
-#endif /* CONFIG_SYSC_R8A77960 */
-
-#ifdef CONFIG_SYSC_R8A77961
-static int __init r8a77961_sysc_init(void)
-{
-	rcar_sysc_nullify(r8a7796_areas, ARRAY_SIZE(r8a7796_areas),
-			  R8A7796_PD_A2VC0);
-
-	return 0;
-}
-
 const struct rcar_sysc_info r8a77961_sysc_info __initconst = {
-	.init = r8a77961_sysc_init,
-	.areas = r8a7796_areas,
-	.num_areas = ARRAY_SIZE(r8a7796_areas),
+	.areas = r8a77961_areas,
+	.num_areas = ARRAY_SIZE(r8a77961_areas),
 	.extmask_offs = 0x2f8,
 	.extmask_val = BIT(0),
 };
-#endif /* CONFIG_SYSC_R8A77961 */