Message ID | 20211027211715.12671-36-digetx@gmail.com |
---|---|
State | Superseded |
Headers | show
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[46.138.41.28]) by smtp.gmail.com with ESMTPSA id d7sm104336ljl.18.2021.10.27.14.18.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Oct 2021 14:18:57 -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 35/45] mfd: max8907: Use devm_register_simple_power_off_handler() Date: Thu, 28 Oct 2021 00:17:05 +0300 Message-Id: <20211027211715.12671-36-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 Precedence: bulk List-ID: <linux-tegra.vger.kernel.org> X-Mailing-List: linux-tegra@vger.kernel.org |
Series |
Introduce power-off+restart call chain API
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expand
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diff --git a/drivers/mfd/max8907.c b/drivers/mfd/max8907.c index 41f566e6a096..58699510311b 100644 --- a/drivers/mfd/max8907.c +++ b/drivers/mfd/max8907.c @@ -16,6 +16,7 @@ #include <linux/module.h> #include <linux/of.h> #include <linux/of_device.h> +#include <linux/reboot.h> #include <linux/regmap.h> #include <linux/slab.h> @@ -174,9 +175,10 @@ static const struct regmap_irq_chip max8907_rtc_irq_chip = { .num_irqs = ARRAY_SIZE(max8907_rtc_irqs), }; -static struct max8907 *max8907_pm_off; -static void max8907_power_off(void) +static void max8907_power_off(void *data) { + struct max8907 *max8907_pm_off = data; + regmap_update_bits(max8907_pm_off->regmap_gen, MAX8907_REG_RESET_CNFG, MAX8907_MASK_POWER_OFF, MAX8907_MASK_POWER_OFF); } @@ -214,6 +216,17 @@ static int max8907_i2c_probe(struct i2c_client *i2c, goto err_regmap_gen; } + if (pm_off) { + ret = devm_register_simple_power_off_handler(&i2c->dev, + max8907_power_off, + max8907); + if (ret) { + dev_err(&i2c->dev, + "failed to register power-off handler: %d\n", ret); + return ret; + } + } + max8907->i2c_rtc = i2c_new_dummy_device(i2c->adapter, MAX8907_RTC_I2C_ADDR); if (IS_ERR(max8907->i2c_rtc)) { ret = PTR_ERR(max8907->i2c_rtc); @@ -260,11 +273,6 @@ static int max8907_i2c_probe(struct i2c_client *i2c, goto err_add_devices; } - if (pm_off && !pm_power_off) { - max8907_pm_off = max8907; - pm_power_off = max8907_power_off; - } - return 0; err_add_devices:
Use devm_register_simple_power_off_handler() that replaces global pm_power_off variable and allows to register multiple power-off handlers. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- drivers/mfd/max8907.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-)