From: Dmitry Osipenko <digetx@gmail.com>
To: "Thierry Reding" <thierry.reding@gmail.com>,
"Jonathan Hunter" <jonathanh@nvidia.com>,
"Russell King" <linux@armlinux.org.uk>,
"Catalin Marinas" <catalin.marinas@arm.com>,
"Will Deacon" <will@kernel.org>, "Guo Ren" <guoren@kernel.org>,
"Geert Uytterhoeven" <geert@linux-m68k.org>,
"Greg Ungerer" <gerg@linux-m68k.org>,
"Joshua Thompson" <funaho@jurai.org>,
"Thomas Bogendoerfer" <tsbogend@alpha.franken.de>,
"Sebastian Reichel" <sre@kernel.org>,
"Linus Walleij" <linus.walleij@linaro.org>,
"Philipp Zabel" <p.zabel@pengutronix.de>,
"Greentime Hu" <green.hu@gmail.com>,
"Vincent Chen" <deanbo422@gmail.com>,
"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
"Helge Deller" <deller@gmx.de>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Benjamin Herrenschmidt" <benh@kernel.crashing.org>,
"Paul Mackerras" <paulus@samba.org>,
"Paul Walmsley" <paul.walmsley@sifive.com>,
"Palmer Dabbelt" <palmer@dabbelt.com>,
"Albert Ou" <aou@eecs.berkeley.edu>,
"Yoshinori Sato" <ysato@users.sourceforge.jp>,
"Rich Felker" <dalias@libc.org>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Ingo Molnar" <mingo@redhat.com>,
"Borislav Petkov" <bp@alien8.de>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
"Boris Ostrovsky" <boris.ostrovsky@oracle.com>,
"Juergen Gross" <jgross@suse.com>,
"Stefano Stabellini" <sstabellini@kernel.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
"Len Brown" <lenb@kernel.org>,
"Santosh Shilimkar" <ssantosh@kernel.org>,
"Krzysztof Kozlowski" <krzysztof.kozlowski@canonical.com>,
"Liam Girdwood" <lgirdwood@gmail.com>,
"Mark Brown" <broonie@kernel.org>, "Pavel Machek" <pavel@ucw.cz>,
"Lee Jones" <lee.jones@linaro.org>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Guenter Roeck" <linux@roeck-us.net>,
"Daniel Lezcano" <daniel.lezcano@linaro.org>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Ulf Hansson" <ulf.hansson@linaro.org>,
alankao@andestech.com,
"K . C . Kuen-Chern Lin" <kclin@andestech.com>,
"Michał Mirosław" <mirq-linux@rere.qmqm.pl>
Cc: linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org,
linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org,
linux-sh@vger.kernel.org, xen-devel@lists.xenproject.org,
linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org,
linux-tegra@vger.kernel.org
Subject: [PATCH v5 20/21] regulator: pfuze100: Use devm_register_sys_off_handler()
Date: Mon, 13 Dec 2021 00:03:08 +0300 [thread overview]
Message-ID: <20211212210309.9851-21-digetx@gmail.com> (raw)
In-Reply-To: <20211212210309.9851-1-digetx@gmail.com>
Use devm_register_sys_off_handler() that replaces global
pm_power_off_prepare variable and allows to register multiple
power-off handlers.
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
drivers/regulator/pfuze100-regulator.c | 38 ++++++++++----------------
1 file changed, 14 insertions(+), 24 deletions(-)
diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c
index d60d7d1b7fa2..2eca8d43a097 100644
--- a/drivers/regulator/pfuze100-regulator.c
+++ b/drivers/regulator/pfuze100-regulator.c
@@ -10,6 +10,7 @@
#include <linux/of_device.h>
#include <linux/regulator/of_regulator.h>
#include <linux/platform_device.h>
+#include <linux/reboot.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/pfuze100.h>
@@ -76,6 +77,7 @@ struct pfuze_chip {
struct pfuze_regulator regulator_descs[PFUZE100_MAX_REGULATOR];
struct regulator_dev *regulators[PFUZE100_MAX_REGULATOR];
struct pfuze_regulator *pfuze_regulators;
+ struct sys_off_handler sys_off;
};
static const int pfuze100_swbst[] = {
@@ -569,10 +571,10 @@ static inline struct device_node *match_of_node(int index)
return pfuze_matches[index].of_node;
}
-static struct pfuze_chip *syspm_pfuze_chip;
-
-static void pfuze_power_off_prepare(void)
+static void pfuze_power_off_prepare(struct power_off_prep_data *data)
{
+ struct pfuze_chip *syspm_pfuze_chip = data->cb_data;
+
dev_info(syspm_pfuze_chip->dev, "Configure standby mode for power off");
/* Switch from default mode: APS/APS to APS/Off */
@@ -611,24 +613,23 @@ static void pfuze_power_off_prepare(void)
static int pfuze_power_off_prepare_init(struct pfuze_chip *pfuze_chip)
{
+ int err;
+
if (pfuze_chip->chip_id != PFUZE100) {
dev_warn(pfuze_chip->dev, "Requested pm_power_off_prepare handler for not supported chip\n");
return -ENODEV;
}
- if (pm_power_off_prepare) {
- dev_warn(pfuze_chip->dev, "pm_power_off_prepare is already registered.\n");
- return -EBUSY;
- }
+ pfuze_chip->sys_off.power_off_prepare_cb = pfuze_power_off_prepare;
+ pfuze_chip->sys_off.cb_data = pfuze_chip;
- if (syspm_pfuze_chip) {
- dev_warn(pfuze_chip->dev, "syspm_pfuze_chip is already set.\n");
- return -EBUSY;
+ err = devm_register_sys_off_handler(pfuze_chip->dev, &pfuze_chip->sys_off);
+ if (err) {
+ dev_err(pfuze_chip->dev,
+ "failed to register sys-off handler: %d\n", err);
+ return err;
}
- syspm_pfuze_chip = pfuze_chip;
- pm_power_off_prepare = pfuze_power_off_prepare;
-
return 0;
}
@@ -837,23 +838,12 @@ static int pfuze100_regulator_probe(struct i2c_client *client,
return 0;
}
-static int pfuze100_regulator_remove(struct i2c_client *client)
-{
- if (syspm_pfuze_chip) {
- syspm_pfuze_chip = NULL;
- pm_power_off_prepare = NULL;
- }
-
- return 0;
-}
-
static struct i2c_driver pfuze_driver = {
.driver = {
.name = "pfuze100-regulator",
.of_match_table = pfuze_dt_ids,
},
.probe = pfuze100_regulator_probe,
- .remove = pfuze100_regulator_remove,
};
module_i2c_driver(pfuze_driver);
--
2.33.1
next prev parent reply other threads:[~2021-12-12 21:23 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-12 21:02 [PATCH v5 00/21] Introduce power-off+restart call chain API Dmitry Osipenko
2021-12-12 21:02 ` [PATCH v5 01/21] notifier: Add blocking_notifier_call_chain_is_empty() Dmitry Osipenko
2021-12-12 21:02 ` [PATCH v5 02/21] notifier: Add atomic/blocking_notifier_chain_register_unique_prio() Dmitry Osipenko
2021-12-12 21:02 ` [PATCH v5 03/21] reboot: Print error message if restart handler has duplicated priority Dmitry Osipenko
2021-12-12 21:02 ` [PATCH v5 04/21] kernel: Add combined power-off+restart handler call chain API Dmitry Osipenko
2022-01-08 23:35 ` Michał Mirosław
2022-01-11 7:57 ` Dmitry Osipenko
2022-01-27 14:39 ` Dmitry Osipenko
2021-12-12 21:02 ` [PATCH v5 05/21] ARM: Use do_kernel_power_off() Dmitry Osipenko
2021-12-12 21:02 ` [PATCH v5 06/21] csky: " Dmitry Osipenko
2021-12-12 21:02 ` [PATCH v5 07/21] riscv: " Dmitry Osipenko
2021-12-12 21:02 ` [PATCH v5 08/21] arm64: " Dmitry Osipenko
2021-12-12 21:02 ` [PATCH v5 09/21] parisc: " Dmitry Osipenko
2021-12-12 21:02 ` [PATCH v5 10/21] xen/x86: " Dmitry Osipenko
2021-12-12 21:02 ` [PATCH v5 11/21] powerpc: " Dmitry Osipenko
2021-12-12 21:03 ` [PATCH v5 12/21] m68k: Switch to new sys-off handler API Dmitry Osipenko
2021-12-12 21:03 ` [PATCH v5 13/21] sh: Use do_kernel_power_off() Dmitry Osipenko
2021-12-12 21:03 ` [PATCH v5 14/21] x86: " Dmitry Osipenko
2021-12-12 21:03 ` [PATCH v5 15/21] ia64: " Dmitry Osipenko
2021-12-12 21:03 ` [PATCH v5 16/21] mips: " Dmitry Osipenko
2021-12-12 21:03 ` [PATCH v5 17/21] nds32: " Dmitry Osipenko
2021-12-12 21:03 ` [PATCH v5 18/21] memory: emif: Use kernel_can_power_off() Dmitry Osipenko
2021-12-12 21:03 ` [PATCH v5 19/21] ACPI: power: Switch to sys-off handler API Dmitry Osipenko
2021-12-12 21:03 ` Dmitry Osipenko [this message]
2021-12-12 21:03 ` [PATCH v5 21/21] reboot: Remove pm_power_off_prepare() Dmitry Osipenko
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