Message ID | 20211027211715.12671-39-digetx@gmail.com (mailing list archive) |
---|---|
State | Superseded |
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) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion <xen-devel.lists.xenproject.org> List-Unsubscribe: <https://lists.xenproject.org/mailman/options/xen-devel>, <mailto:xen-devel-request@lists.xenproject.org?subject=unsubscribe> List-Post: <mailto:xen-devel@lists.xenproject.org> List-Help: <mailto:xen-devel-request@lists.xenproject.org?subject=help> List-Subscribe: <https://lists.xenproject.org/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xenproject.org?subject=subscribe> Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" <xen-devel-bounces@lists.xenproject.org> X-Inumbo-ID: ff658b29-29e8-4a31-ab27-c640fd96d1ac DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Mu7tO95vXROZ9xbCJkoDzGl64HT6xR31EdIoyaMnKtk=; b=kPE91xXN+stBc0ha+PSjaOkkNGKlDTid0pZMJS4/z0xuWbbpv+/mX7oe8gzrFGsnxt knUKantyHU6PWIePiCnlFQ4UN8ZQdQP1oXKoJzSLIKv1lTDAhiLZjpDPc+aijhkrEZAj Xd8HN8BgZu0o5hpIxMQVtpuABAaRE4DHHXJZzo4Dy3xXk62gjG4MyDoYUHzKrSYuupRB lCz2OE27nWCjWUb+PHoI0yIS0mi3esed5R8cO+FhwY/2Rv4/jyVsNkj3xtgaoN5/YStc dCcP9WUacf6ElBGM42XMwNMMkAZqDoGVD/aHJJj9Cz/Tk9wj2JFlAJdIXkKMwT6cvxA3 e31g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Mu7tO95vXROZ9xbCJkoDzGl64HT6xR31EdIoyaMnKtk=; b=OWKFoUhWj90xmynbKzk3p4ZGwVeB7PunJvv2FX2kQToVbg/8bfGMZK9JnheeQBZg85 c7vsd2obubGPEN2cyAvIF9hDywbjd6cT8yjA2v2wawF3fxX0pJuVeaF4dIyc+OrgO1aC 6CPUP33yFZTtE3kJm54CeGcxBab0GvDONSDgVvUlf2w8RUrc7ZrTa7P1M+qPqZ0qzNXN krh4M/eTfT47nwFKNLcmVmJsxeqXZnfGB0ppLhqQPqy4hNyL7TyNir/zcBd6zgdQpoOh G8xXbaZBCruzK3g0MZ/oPopKwqn07rV6O41zwULXSDV7DZU0Z/7gWnVMxXBUxbHSk76k mS/w== X-Gm-Message-State: AOAM530vDxhtg/vif7zKvrUjSQiDMITFpfdcYCQAmHVOh9UuTNVUqgb0 O4vFUDMXMX4EVQMhNIrECQ8= X-Google-Smtp-Source: ABdhPJx+pRFjcRYPR1om8nKBpIgAHoRaPbEg7vS4nL7YKN3yH6zq2Ajomu3cvpnY+yAbJLhjtqI1TQ== X-Received: by 2002:a2e:bb98:: with SMTP id y24mr344716lje.168.1635369543476; 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> Cc: 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>, Nick Hu <nickhu@andestech.com>, 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>, Len Brown <lenb@kernel.org>, Santosh Shilimkar <ssantosh@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>, Linus Walleij <linus.walleij@linaro.org>, Chen-Yu Tsai <wens@csie.org>, =?utf-8?q?Jonathan_Neusch=C3=A4fer?= <j.neuschaefer@gmx.net>, Tony Lindgren <tony@atomide.com>, Liam Girdwood <lgirdwood@gmail.com>, Philipp Zabel <p.zabel@pengutronix.de>, Vladimir Zapolskiy <vz@mleia.com>, Avi Fishman <avifishman70@gmail.com>, Tomer Maimon <tmaimon77@gmail.com>, Tali Perry <tali.perry1@gmail.com>, Patrick Venture <venture@google.com>, Nancy Yuen <yuenn@google.com>, Benjamin Fair <benjaminfair@google.com>, Pavel Machek <pavel@ucw.cz>, linux-arm-kernel@lists.infradead.org, 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-omap@vger.kernel.org, openbmc@lists.ozlabs.org, linux-tegra@vger.kernel.org, linux-pm@vger.kernel.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 |
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(-)