From: Dmitry Osipenko <digetx@gmail•com>
To: Thierry Reding <thierry.reding@gmail•com>,
Jonathan Hunter <jonathanh@nvidia•com>,
Lee Jones <lee.jones@linaro•org>,
"Rafael J . Wysocki" <rafael@kernel•org>,
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Subject: [PATCH v2 30/45] mfd: ene-kb3930: Use devm_register_power_handler()
Date: Thu, 28 Oct 2021 00:17:00 +0300 [thread overview]
Message-ID: <20211027211715.12671-31-digetx@gmail.com> (raw)
In-Reply-To: <20211027211715.12671-1-digetx@gmail.com>
Use devm_register_power_handler() that replaces global pm_power_off
variable and allows to register multiple power-off handlers. It also
provides restart-handler support, i.e. all in one API.
Signed-off-by: Dmitry Osipenko <digetx@gmail•com>
---
drivers/mfd/ene-kb3930.c | 45 ++++++++++++++--------------------------
1 file changed, 15 insertions(+), 30 deletions(-)
diff --git a/drivers/mfd/ene-kb3930.c b/drivers/mfd/ene-kb3930.c
index 1b73318d1f1f..6a3c5f48e5e1 100644
--- a/drivers/mfd/ene-kb3930.c
+++ b/drivers/mfd/ene-kb3930.c
@@ -31,10 +31,9 @@ struct kb3930 {
struct i2c_client *client;
struct regmap *ram_regmap;
struct gpio_descs *off_gpios;
+ struct power_handler power_handler;
};
-static struct kb3930 *kb3930_power_off;
-
#define EC_GPIO_WAVE 0
#define EC_GPIO_OFF_MODE 1
@@ -60,21 +59,19 @@ static void kb3930_off(struct kb3930 *ddata, int off_mode)
}
}
-static int kb3930_restart(struct notifier_block *this,
- unsigned long mode, void *cmd)
+static void kb3930_restart(struct restart_data *data)
{
- kb3930_off(kb3930_power_off, EC_OFF_MODE_REBOOT);
- return NOTIFY_DONE;
+ struct kb3930 *ddata = data->cb_data;
+
+ kb3930_off(ddata, EC_OFF_MODE_REBOOT);
}
-static void kb3930_pm_power_off(void)
+static void kb3930_power_off(struct power_off_data *data)
{
- kb3930_off(kb3930_power_off, EC_OFF_MODE_POWER);
-}
+ struct kb3930 *ddata = data->cb_data;
-static struct notifier_block kb3930_restart_nb = {
- .notifier_call = kb3930_restart,
-};
+ kb3930_off(ddata, EC_OFF_MODE_POWER);
+}
static const struct mfd_cell ariel_ec_cells[] = {
{ .name = "dell-wyse-ariel-led", },
@@ -131,7 +128,6 @@ static int kb3930_probe(struct i2c_client *client)
if (!ddata)
return -ENOMEM;
- kb3930_power_off = ddata;
ddata->client = client;
i2c_set_clientdata(client, ddata);
@@ -169,24 +165,14 @@ static int kb3930_probe(struct i2c_client *client)
}
if (ddata->off_gpios) {
- register_restart_handler(&kb3930_restart_nb);
- if (!pm_power_off)
- pm_power_off = kb3930_pm_power_off;
- }
+ ddata->power_handler.cb_data = ddata;
+ ddata->power_handler.restart_cb = kb3930_restart;
+ ddata->power_handler.power_off_cb = kb3930_power_off;
- return 0;
-}
-
-static int kb3930_remove(struct i2c_client *client)
-{
- struct kb3930 *ddata = i2c_get_clientdata(client);
-
- if (ddata->off_gpios) {
- if (pm_power_off == kb3930_pm_power_off)
- pm_power_off = NULL;
- unregister_restart_handler(&kb3930_restart_nb);
+ ret = devm_register_power_handler(dev, &ddata->power_handler);
+ if (ret)
+ return ret;
}
- kb3930_power_off = NULL;
return 0;
}
@@ -199,7 +185,6 @@ MODULE_DEVICE_TABLE(of, kb3930_dt_ids);
static struct i2c_driver kb3930_driver = {
.probe_new = kb3930_probe,
- .remove = kb3930_remove,
.driver = {
.name = "ene-kb3930",
.of_match_table = kb3930_dt_ids,
--
2.33.1
next prev parent reply other threads:[~2021-10-27 23:10 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-27 21:16 [PATCH v2 00/45] Introduce power-off+restart call chain API Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 01/45] notifier: Remove extern annotation from function prototypes Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 02/45] notifier: Add blocking_notifier_call_chain_empty() Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 03/45] notifier: Add atomic/blocking_notifier_has_unique_priority() Dmitry Osipenko
2021-10-28 11:00 ` Andy Shevchenko
2021-10-28 21:32 ` Dmitry Osipenko
2021-10-28 23:28 ` Dmitry Osipenko
2021-10-28 22:10 ` Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 04/45] reboot: Correct typo in a comment Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 05/45] reboot: Warn if restart handler has duplicated priority Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 06/45] reboot: Warn if unregister_restart_handler() fails Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 07/45] reboot: Remove extern annotation from function prototypes Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 08/45] kernel: Add combined power-off+restart handler call chain API Dmitry Osipenko
2021-10-28 9:53 ` Rafael J. Wysocki
2021-10-28 21:36 ` Dmitry Osipenko
2021-10-28 9:59 ` Rafael J. Wysocki
2021-10-28 21:58 ` Dmitry Osipenko
2021-10-28 21:59 ` Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 09/45] xen/x86: Use do_kernel_power_off() Dmitry Osipenko
2021-10-28 7:35 ` Juergen Gross
2021-10-27 21:16 ` [PATCH v2 10/45] ARM: " Dmitry Osipenko
2021-10-28 12:04 ` Russell King (Oracle)
2021-10-27 21:16 ` [PATCH v2 11/45] arm64: " Dmitry Osipenko
2021-11-01 13:28 ` Catalin Marinas
2021-10-27 21:16 ` [PATCH v2 12/45] csky: " Dmitry Osipenko
2021-11-01 1:57 ` Guo Ren
2021-10-27 21:16 ` [PATCH v2 13/45] ia64: " Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 14/45] mips: " Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 15/45] nds32: " Dmitry Osipenko
2021-10-28 12:20 ` Greentime Hu
2021-10-27 21:16 ` [PATCH v2 16/45] parisc: " Dmitry Osipenko
2021-10-28 6:38 ` Helge Deller
2021-10-27 21:16 ` [PATCH v2 17/45] powerpc: " Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 18/45] riscv: " Dmitry Osipenko
2021-10-27 23:09 ` Palmer Dabbelt
2021-10-27 21:16 ` [PATCH v2 19/45] sh: " Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 20/45] x86: " Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 21/45] m68k: Switch to new power-handler API Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 22/45] memory: emif: Use kernel_can_power_off() Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 23/45] ACPI: power: Switch to power-handler API Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 24/45] regulator: pfuze100: Use devm_register_power_handler() Dmitry Osipenko
2021-10-28 11:59 ` Mark Brown
2021-10-27 21:16 ` [PATCH v2 25/45] reboot: Remove pm_power_off_prepare() Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 26/45] soc/tegra: pmc: Utilize power-handler API to power off Nexus 7 properly Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 27/45] mfd: ntxec: Use devm_register_power_handler() Dmitry Osipenko
2021-11-06 20:54 ` Jonathan Neuschäfer
2021-11-07 16:53 ` Dmitry Osipenko
2021-11-07 17:08 ` Guenter Roeck
2021-11-07 17:16 ` Dmitry Osipenko
2021-11-07 17:32 ` Guenter Roeck
2021-11-07 17:42 ` Dmitry Osipenko
2021-11-08 11:22 ` Jonathan Neuschäfer
2021-11-08 11:36 ` Dmitry Osipenko
2021-11-10 10:43 ` Jonathan Neuschäfer
2021-11-10 13:38 ` Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 28/45] mfd: rn5t618: " Dmitry Osipenko
2021-11-29 11:55 ` Lee Jones
2021-11-29 12:04 ` Dmitry Osipenko
2021-10-27 21:16 ` [PATCH v2 29/45] mfd: acer-a500: " Dmitry Osipenko
2021-10-27 21:17 ` Dmitry Osipenko [this message]
2021-10-27 21:17 ` [PATCH v2 31/45] mfd: axp20x: Use register_simple_power_off_handler() Dmitry Osipenko
2021-10-27 21:17 ` [PATCH v2 32/45] mfd: retu: Use devm_register_simple_power_off_handler() Dmitry Osipenko
2021-10-27 21:17 ` [PATCH v2 33/45] mfd: rk808: " Dmitry Osipenko
2021-10-27 21:17 ` [PATCH v2 34/45] mfd: palmas: " Dmitry Osipenko
2021-10-27 21:17 ` [PATCH v2 35/45] mfd: max8907: " Dmitry Osipenko
2021-10-27 21:17 ` [PATCH v2 36/45] mfd: tps6586x: " Dmitry Osipenko
2021-10-27 21:17 ` [PATCH v2 37/45] mfd: tps65910: " Dmitry Osipenko
2021-10-27 21:17 ` [PATCH v2 38/45] mfd: max77620: " Dmitry Osipenko
2021-10-27 21:17 ` [PATCH v2 39/45] mfd: dm355evm_msp: Use devm_register_trivial_power_off_handler() Dmitry Osipenko
2021-10-27 21:17 ` [PATCH v2 40/45] mfd: twl4030: " Dmitry Osipenko
2021-10-28 22:05 ` [PATCH v2 00/45] Introduce power-off+restart call chain API Dmitry Osipenko
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