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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 To: Thierry Reding , Jonathan Hunter , Lee Jones , "Rafael J . Wysocki" , Mark Brown , Andrew Morton , Guenter Roeck , Russell King , Daniel Lezcano , Andy Shevchenko , Ulf Hansson Cc: Catalin Marinas , Will Deacon , Guo Ren , Geert Uytterhoeven , Greg Ungerer , Joshua Thompson , Thomas Bogendoerfer , Nick Hu , Greentime Hu , Vincent Chen , "James E.J. Bottomley" , Helge Deller , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Paul Walmsley , Palmer Dabbelt , Albert Ou , Yoshinori Sato , Rich Felker , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Boris Ostrovsky , Juergen Gross , Stefano Stabellini , Len Brown , Santosh Shilimkar , Krzysztof Kozlowski , Linus Walleij , Chen-Yu Tsai , =?UTF-8?q?Jonathan=20Neusch=C3=A4fer?= , Tony Lindgren , Liam Girdwood , Philipp Zabel , Vladimir Zapolskiy , Avi Fishman , Tomer Maimon , Tali Perry , Patrick Venture , Nancy Yuen , Benjamin Fair , Pavel Machek , 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211027_141905_804372_C66B91C5 X-CRM114-Status: GOOD ( 18.81 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org 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 --- drivers/mfd/max77620.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) 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 #include #include +#include #include #include -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; -- 2.33.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv