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[46.138.41.28]) by smtp.gmail.com with ESMTPSA id d7sm104336ljl.18.2021.10.27.14.18.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Oct 2021 14:18:48 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Lee Jones , "Rafael J . Wysocki" , Mark Brown , Andrew Morton , Guenter Roeck , Russell King , Daniel Lezcano , Andy Shevchenko , Ulf Hansson Subject: [PATCH v2 30/45] mfd: ene-kb3930: Use devm_register_power_handler() Date: Thu, 28 Oct 2021 00:17:00 +0300 Message-Id: <20211027211715.12671-31-digetx@gmail.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211027211715.12671-1-digetx@gmail.com> References: <20211027211715.12671-1-digetx@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Thu, 28 Oct 2021 09:51:48 +1100 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rich Felker , linux-ia64@vger.kernel.org, Tomer Maimon , Santosh Shilimkar , linux-sh@vger.kernel.org, Boris Ostrovsky , Linus Walleij , Dave Hansen , linux-acpi@vger.kernel.org, Tali Perry , "James E.J. Bottomley" , Paul Mackerras , Pavel Machek , "H. Peter Anvin" , linux-riscv@lists.infradead.org, Vincent Chen , Will Deacon , Greg Ungerer , Stefano Stabellini , Benjamin Fair , Yoshinori Sato , Krzysztof Kozlowski , Helge Deller , x86@kernel.org, linux-csky@vger.kernel.org, Tony Lindgren , Chen-Yu Tsai , Ingo Molnar , Geert Uytterhoeven , Catalin Marinas , xen-devel@lists.xenproject.org, linux-mips@vger.kernel.org, Len Brown , Albert Ou , linux-pm@vger.kernel.org, =?UTF-8?q?Jonathan=20Neusch=C3=A4fer?= , Vladimir Zapolskiy , linux-m68k@lists.linux-m68k.org, Borislav Petkov , Greentime Hu , Paul Walmsley , linux-tegra@vger.kernel.org, Thomas Gleixner , linux-omap@vger.kernel.org, Nancy Yuen , linux-arm-kernel@lists.infradead.org, Juergen Gross , Thomas Bogendoerfer , linux-parisc@vger.kernel.org, Nick Hu , Avi Fishman , Patrick Venture , Liam Girdwood , linux-kernel@vger.kernel.org, Palmer Dabbelt , Philipp Zabel , Guo Ren , linuxppc-dev@lists.ozlabs.org, openbmc@lists.ozlabs.org, Joshua Thompson Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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 --- 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