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Diffstat (limited to 'meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0012-Add-rcar-gpio-hibernation-code.patch')
-rwxr-xr-xmeta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0012-Add-rcar-gpio-hibernation-code.patch230
1 files changed, 0 insertions, 230 deletions
diff --git a/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0012-Add-rcar-gpio-hibernation-code.patch b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0012-Add-rcar-gpio-hibernation-code.patch
deleted file mode 100755
index 9b2aff4f9..000000000
--- a/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0012-Add-rcar-gpio-hibernation-code.patch
+++ /dev/null
@@ -1,230 +0,0 @@
-From bf20be14fc1b3f7e096bdac9c5ff67362b391479 Mon Sep 17 00:00:00 2001
-From: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com>
-Date: Thu, 18 May 2017 17:46:24 +0900
-Subject: [PATCH 12/15] Add rcar-gpio hibernation code
-
-Signed-off-by: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com>
----
- drivers/pinctrl/sh-pfc/core.c | 141 +++++++++++++++++++++++++++++++++++++++---
- drivers/pinctrl/sh-pfc/core.h | 4 ++
- 2 files changed, 138 insertions(+), 7 deletions(-)
-
-diff --git a/drivers/pinctrl/sh-pfc/core.c b/drivers/pinctrl/sh-pfc/core.c
-index b9e025d..c37418e 100644
---- a/drivers/pinctrl/sh-pfc/core.c
-+++ b/drivers/pinctrl/sh-pfc/core.c
-@@ -24,6 +24,7 @@
- #include <linux/pinctrl/machine.h>
- #include <linux/platform_device.h>
- #include <linux/slab.h>
-+#include <linux/cpu_pm.h>
-
- #include "core.h"
-
-@@ -201,19 +202,117 @@ static void sh_pfc_config_reg_helper(struct sh_pfc *pfc,
- }
- }
-
-+#ifdef CONFIG_CPU_PM
-+struct reg_record {
-+ void __iomem *reg;
-+ unsigned long width;
-+ unsigned long data;
-+};
-+
-+struct reg_config {
-+ bool unlock;
-+ struct reg_record unlock_reg;
-+ struct reg_record actual_reg;
-+ struct list_head list;
-+};
-+
-+static struct reg_config *regs_list;
-+
-+struct reg_range {
-+ int start;
-+ int end;
-+};
-+
-+static int sh_pfc_cpu_pm_notify(struct notifier_block *self,
-+ unsigned long action, void *hcpu)
-+{
-+ struct reg_config *tmp = NULL;
-+ struct sh_pfc *pfc = container_of(self, struct sh_pfc, pm_notify);
-+ /* We don't setup pinmux in kernel - store all registers */
-+ struct reg_range ranges[] = {
-+ {0x0, 0x5c}, {0x160, 0x160}, {0x90, 0x98},
-+ {0x100, 0x118}, {0x70, 0x70}, {0x60, 0x64},
-+ {0x84, 0x8c}, {0x240, 0x248},
-+ };
-+
-+ if (action == CPU_PM_ENTER) {
-+ if (!regs_list) {
-+ /* No pinmux configuration, storing all registers */
-+ int store_cnt = 0;
-+ int i;
-+ for (i = 0; i < ARRAY_SIZE(ranges); i++) {
-+ int j;
-+ for (j = ranges[i].start; j <= ranges[i].end; j += sizeof(u32)) {
-+ pfc->stored_regs[store_cnt] =
-+ sh_pfc_read_raw_reg(sh_pfc_phys_to_virt(pfc, 0xe6060000 + j), 32);
-+ pr_debug("PFC: %08x => %08x\n", 0xe6060000 + j, pfc->stored_regs[store_cnt]);
-+ store_cnt++;
-+ if (store_cnt >= ARRAY_SIZE(pfc->stored_regs)) {
-+ pr_err("read: Register store overflow\n");
-+ goto out;
-+ }
-+ }
-+ }
-+ }
-+ } else if (action == CPU_PM_ENTER_FAILED || action == CPU_PM_EXIT) {
-+ if (!regs_list) {
-+ /* No list, restoring all registers */
-+ int store_cnt = 0;
-+ int i;
-+ for (i = 0; i < ARRAY_SIZE(ranges); i++) {
-+ int j;
-+ for (j = ranges[i].start; j <= ranges[i].end; j += sizeof(u32)) {
-+ sh_pfc_write_raw_reg(sh_pfc_phys_to_virt(pfc, 0xe6060000 + j), 32,
-+ pfc->stored_regs[store_cnt]);
-+ pr_debug("PFC: %08x => %08x\n", 0xe6060000 + j, pfc->stored_regs[store_cnt]);
-+ store_cnt++;
-+ if (store_cnt >= ARRAY_SIZE(pfc->stored_regs)) {
-+ pr_err("write: Register store overflow\n");
-+ goto out;
-+ }
-+ }
-+ }
-+ goto out;
-+ }
-+ list_for_each_entry(tmp , &(regs_list->list), list) {
-+ if (tmp->unlock)
-+ sh_pfc_write_raw_reg(tmp->unlock_reg.reg,
-+ tmp->unlock_reg.width,
-+ tmp->unlock_reg.data);
-+ sh_pfc_write_raw_reg(tmp->actual_reg.reg,
-+ tmp->actual_reg.width,
-+ tmp->actual_reg.data);
-+ }
-+ }
-+out:
-+ return NOTIFY_OK;
-+}
-+
-+static int __init sh_pfc_cpu_pm_init(struct sh_pfc *pfc)
-+{
-+ memset(&pfc->pm_notify, 0, sizeof(pfc->pm_notify));
-+ pfc->pm_notify.notifier_call = sh_pfc_cpu_pm_notify;
-+ return cpu_pm_register_notifier(&pfc->pm_notify);
-+}
-+#else
-+static int __init sh_pfc_cpu_pm_init(struct sh_pfc *pfc)
-+{
-+ return 0;
-+}
-+#endif
-+
-+
- static void sh_pfc_write_config_reg(struct sh_pfc *pfc,
- const struct pinmux_cfg_reg *crp,
- unsigned long field, unsigned long value)
- {
- void __iomem *mapped_reg;
- unsigned long mask, pos, data;
--
-+#ifdef CONFIG_CPU_PM
-+ struct reg_config *tmp;
-+#endif
- sh_pfc_config_reg_helper(pfc, crp, field, &mapped_reg, &mask, &pos);
-
-- dev_dbg(pfc->dev, "write_reg addr = %lx, value = %ld, field = %ld, "
-- "r_width = %ld, f_width = %ld\n",
-- crp->reg, value, field, crp->reg_width, crp->field_width);
--
- mask = ~(mask << pos);
- value = value << pos;
-
-@@ -221,14 +320,39 @@ static void sh_pfc_write_config_reg(struct sh_pfc *pfc,
- data &= mask;
- data |= value;
-
-- if (pfc->info->unlock_reg)
-+#ifdef CONFIG_CPU_PM
-+ tmp = kzalloc(sizeof(struct reg_config), GFP_KERNEL);
-+ BUG_ON(!tmp);
-+
-+ if (!regs_list) {
-+ regs_list = tmp;
-+ INIT_LIST_HEAD(&regs_list->list);
-+ }
-+#endif
-+
-+ if (pfc->info->unlock_reg) {
-+#ifdef CONFIG_CPU_PM
-+ tmp->unlock = true;
-+ tmp->unlock_reg.reg = sh_pfc_phys_to_virt(pfc,
-+ pfc->info->unlock_reg);
-+ tmp->unlock_reg.width = 32;
-+ tmp->unlock_reg.data = ~data;
-+#endif
- sh_pfc_write_raw_reg(
- sh_pfc_phys_to_virt(pfc, pfc->info->unlock_reg), 32,
- ~data);
-+ }
-+
-+#ifdef CONFIG_CPU_PM
-+ tmp->actual_reg.reg = mapped_reg;
-+ tmp->actual_reg.width = crp->reg_width;
-+ tmp->actual_reg.data = data;
-+
-+ list_add(&tmp->list, &regs_list->list);
-+#endif
-
- sh_pfc_write_raw_reg(mapped_reg, crp->reg_width, data);
- }
--
- static int sh_pfc_get_config_reg(struct sh_pfc *pfc, u16 enum_id,
- const struct pinmux_cfg_reg **crp, int *fieldp,
- int *valuep)
-@@ -574,6 +698,8 @@ static int sh_pfc_probe(struct platform_device *pdev)
-
- platform_set_drvdata(pdev, pfc);
-
-+ sh_pfc_cpu_pm_init(pfc);
-+
- dev_info(pfc->dev, "%s support registered\n", info->name);
-
- return 0;
-@@ -596,6 +722,7 @@ static int sh_pfc_remove(struct platform_device *pdev)
- if (pfc->info->ops && pfc->info->ops->exit)
- pfc->info->ops->exit(pfc);
-
-+
- return 0;
- }
-
-diff --git a/drivers/pinctrl/sh-pfc/core.h b/drivers/pinctrl/sh-pfc/core.h
-index 75ecb67..5471a6c 100644
---- a/drivers/pinctrl/sh-pfc/core.h
-+++ b/drivers/pinctrl/sh-pfc/core.h
-@@ -14,6 +14,7 @@
- #include <linux/compiler.h>
- #include <linux/spinlock.h>
- #include <linux/types.h>
-+#include <linux/notifier.h>
-
- #include "sh_pfc.h"
-
-@@ -51,6 +52,9 @@ struct sh_pfc {
- struct sh_pfc_chip *func;
-
- struct sh_pfc_pinctrl *pinctrl;
-+ struct notifier_block pm_notify;
-+#define STORE_REGS_COUNT 50
-+ u32 stored_regs[STORE_REGS_COUNT];
- };
-
- int sh_pfc_register_gpiochip(struct sh_pfc *pfc);
---
-1.8.3.1
-