Message ID | 20211027211715.12671-39-digetx@gmail.com (mailing list archive) |
---|---|
State | Handled Elsewhere |
Headers | show
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[46.138.41.28]) by smtp.gmail.com with ESMTPSA id d7sm104336ljl.18.2021.10.27.14.19.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Oct 2021 14:19:03 -0700 (PDT) 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>, Mark Brown <broonie@kernel.org>, Andrew Morton <akpm@linux-foundation.org>, Guenter Roeck <linux@roeck-us.net>, Russell King <linux@armlinux.org.uk>, Daniel Lezcano <daniel.lezcano@linaro.org>, Andy Shevchenko <andriy.shevchenko@linux.intel.com>, Ulf Hansson <ulf.hansson@linaro.org> Subject: [PATCH v2 38/45] mfd: max77620: Use devm_register_simple_power_off_handler() Date: Thu, 28 Oct 2021 00:17:08 +0300 Message-Id: <20211027211715.12671-39-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 <linuxppc-dev.lists.ozlabs.org> List-Unsubscribe: <https://lists.ozlabs.org/options/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe> List-Archive: <http://lists.ozlabs.org/pipermail/linuxppc-dev/> List-Post: <mailto:linuxppc-dev@lists.ozlabs.org> List-Help: <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help> List-Subscribe: <https://lists.ozlabs.org/listinfo/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe> Cc: Rich Felker <dalias@libc.org>, linux-ia64@vger.kernel.org, Tomer Maimon <tmaimon77@gmail.com>, Santosh Shilimkar <ssantosh@kernel.org>, linux-sh@vger.kernel.org, Boris Ostrovsky <boris.ostrovsky@oracle.com>, Linus Walleij <linus.walleij@linaro.org>, Dave Hansen <dave.hansen@linux.intel.com>, linux-acpi@vger.kernel.org, Tali Perry <tali.perry1@gmail.com>, "James E.J. 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Peter Anvin" <hpa@zytor.com>, linux-riscv@lists.infradead.org, Vincent Chen <deanbo422@gmail.com>, Will Deacon <will@kernel.org>, Greg Ungerer <gerg@linux-m68k.org>, Stefano Stabellini <sstabellini@kernel.org>, Benjamin Fair <benjaminfair@google.com>, Yoshinori Sato <ysato@users.sourceforge.jp>, Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>, Helge Deller <deller@gmx.de>, x86@kernel.org, linux-csky@vger.kernel.org, Tony Lindgren <tony@atomide.com>, Chen-Yu Tsai <wens@csie.org>, Ingo Molnar <mingo@redhat.com>, Geert Uytterhoeven <geert@linux-m68k.org>, Catalin Marinas <catalin.marinas@arm.com>, xen-devel@lists.xenproject.org, linux-mips@vger.kernel.org, Len Brown <lenb@kernel.org>, Albert Ou <aou@eecs.berkeley.edu>, linux-pm@vger.kernel.org, =?utf-8?q?Jona?= =?utf-8?q?than_Neusch=C3=A4fer?= <j.neuschaefer@gmx.net>, Vladimir Zapolskiy <vz@mleia.com>, linux-m68k@lists.linux-m68k.org, Borislav Petkov <bp@alien8.de>, Greentime Hu <green.hu@gmail.com>, Paul Walmsley <paul.walmsley@sifive.com>, linux-tegra@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>, linux-omap@vger.kernel.org, Nancy Yuen <yuenn@google.com>, linux-arm-kernel@lists.infradead.org, Juergen Gross <jgross@suse.com>, Thomas Bogendoerfer <tsbogend@alpha.franken.de>, linux-parisc@vger.kernel.org, Nick Hu <nickhu@andestech.com>, Avi Fishman <avifishman70@gmail.com>, Patrick Venture <venture@google.com>, Liam Girdwood <lgirdwood@gmail.com>, linux-kernel@vger.kernel.org, Palmer Dabbelt <palmer@dabbelt.com>, Philipp Zabel <p.zabel@pengutronix.de>, Guo Ren <guoren@kernel.org>, linuxppc-dev@lists.ozlabs.org, openbmc@lists.ozlabs.org, Joshua Thompson <funaho@jurai.org> Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" <linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org> |
Series |
Introduce power-off+restart call chain API
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expand
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diff --git a/drivers/mfd/max77620.c b/drivers/mfd/max77620.c index fec2096474ad..29487ccc191a 100644 --- a/drivers/mfd/max77620.c +++ b/drivers/mfd/max77620.c @@ -31,11 +31,10 @@ #include <linux/init.h> #include <linux/of.h> #include <linux/of_device.h> +#include <linux/reboot.h> #include <linux/regmap.h> #include <linux/slab.h> -static struct max77620_chip *max77620_scratch; - static const struct resource gpio_resources[] = { DEFINE_RES_IRQ(MAX77620_IRQ_TOP_GPIO), }; @@ -483,13 +482,13 @@ static int max77620_read_es_version(struct max77620_chip *chip) return ret; } -static void max77620_pm_power_off(void) +static void max77620_pm_power_off(void *data) { - struct max77620_chip *chip = max77620_scratch; + struct max77620_chip *chip = data; regmap_update_bits(chip->rmap, MAX77620_REG_ONOFFCNFG1, - MAX77620_ONOFFCNFG1_SFT_RST, - MAX77620_ONOFFCNFG1_SFT_RST); + MAX77620_ONOFFCNFG1_SFT_RST, + MAX77620_ONOFFCNFG1_SFT_RST); } static int max77620_probe(struct i2c_client *client, @@ -566,9 +565,13 @@ static int max77620_probe(struct i2c_client *client, } pm_off = of_device_is_system_power_controller(client->dev.of_node); - if (pm_off && !pm_power_off) { - max77620_scratch = chip; - pm_power_off = max77620_pm_power_off; + if (pm_off) { + ret = devm_register_simple_power_off_handler(chip->dev, + max77620_pm_power_off, + chip); + if (ret < 0) + dev_err(chip->dev, + "Failed to register power-off handler: %d\n", ret); } return 0;
Use devm_register_simple_power_off_handler() that replaces global pm_power_off variable and allows to register multiple power-off handlers. Nexus 7 Android tablet can be powered off using MAX77663 PMIC and using a special bootloader command. At first the bootloader option should be tried, it will have a higher priority than of PMIC that uses default priority. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- drivers/mfd/max77620.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-)