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[46.91.226.206]) by smtp.gmail.com with ESMTPSA id n18sm19111771wmi.20.2019.10.15.07.51.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Oct 2019 07:51:51 -0700 (PDT) From: Thierry Reding To: Russell King , arm@kernel.org Cc: Arnd Bergmann , Olof Johansson , Guenter Roeck , Stefan Agner , Wolfram Sang , Catalin Marinas , Lorenzo Pieralisi , Stefano Stabellini , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/6] ARM: prima2: Register with kernel restart handler Date: Tue, 15 Oct 2019 16:51:42 +0200 Message-Id: <20191015145147.1106247-2-thierry.reding@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191015145147.1106247-1-thierry.reding@gmail.com> References: <20191015145147.1106247-1-thierry.reding@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Guenter Roeck Register with kernel restart handler instead of setting arm_pm_restart directly. By doing this, the prima2 reset handler can be prioritized among other restart methods available on a particular board. Select a high priority of 192 since the original code overwrites the default arm restart handler. Acked-by: Arnd Bergmann Reviewed-by: Wolfram Sang Signed-off-by: Guenter Roeck Signed-off-by: Thierry Reding --- arch/arm/mach-prima2/rstc.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-prima2/rstc.c b/arch/arm/mach-prima2/rstc.c index 9d56606ac87f..825dd5fcc37b 100644 --- a/arch/arm/mach-prima2/rstc.c +++ b/arch/arm/mach-prima2/rstc.c @@ -64,11 +64,18 @@ static struct reset_controller_dev sirfsoc_reset_controller = { #define SIRFSOC_SYS_RST_BIT BIT(31) -static void sirfsoc_restart(enum reboot_mode mode, const char *cmd) +static int sirfsoc_restart(struct notifier_block *nb, unsigned long action, + void *data) { writel(SIRFSOC_SYS_RST_BIT, sirfsoc_rstc_base); + return NOTIFY_DONE; } +static struct notifier_block sirfsoc_restart_nb = { + .notifier_call = sirfsoc_restart, + .priority = 192, +}; + static int sirfsoc_rstc_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; @@ -79,7 +86,7 @@ static int sirfsoc_rstc_probe(struct platform_device *pdev) } sirfsoc_reset_controller.of_node = np; - arm_pm_restart = sirfsoc_restart; + register_restart_handler(&sirfsoc_restart_nb); if (IS_ENABLED(CONFIG_RESET_CONTROLLER)) reset_controller_register(&sirfsoc_reset_controller); -- 2.23.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 38648ECE588 for ; Tue, 15 Oct 2019 14:52:23 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DC58C20640 for ; 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[46.91.226.206]) by smtp.gmail.com with ESMTPSA id n18sm19111771wmi.20.2019.10.15.07.51.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Oct 2019 07:51:51 -0700 (PDT) From: Thierry Reding To: Russell King , arm@kernel.org Subject: [PATCH 1/6] ARM: prima2: Register with kernel restart handler Date: Tue, 15 Oct 2019 16:51:42 +0200 Message-Id: <20191015145147.1106247-2-thierry.reding@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191015145147.1106247-1-thierry.reding@gmail.com> References: <20191015145147.1106247-1-thierry.reding@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191015_075154_364384_77EB8D16 X-CRM114-Status: GOOD ( 14.69 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Lorenzo Pieralisi , Arnd Bergmann , Stefano Stabellini , Catalin Marinas , linux-kernel@vger.kernel.org, Stefan Agner , Wolfram Sang , linux-arm-kernel@lists.infradead.org, Olof Johansson , Guenter Roeck Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Guenter Roeck Register with kernel restart handler instead of setting arm_pm_restart directly. By doing this, the prima2 reset handler can be prioritized among other restart methods available on a particular board. Select a high priority of 192 since the original code overwrites the default arm restart handler. Acked-by: Arnd Bergmann Reviewed-by: Wolfram Sang Signed-off-by: Guenter Roeck Signed-off-by: Thierry Reding --- arch/arm/mach-prima2/rstc.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-prima2/rstc.c b/arch/arm/mach-prima2/rstc.c index 9d56606ac87f..825dd5fcc37b 100644 --- a/arch/arm/mach-prima2/rstc.c +++ b/arch/arm/mach-prima2/rstc.c @@ -64,11 +64,18 @@ static struct reset_controller_dev sirfsoc_reset_controller = { #define SIRFSOC_SYS_RST_BIT BIT(31) -static void sirfsoc_restart(enum reboot_mode mode, const char *cmd) +static int sirfsoc_restart(struct notifier_block *nb, unsigned long action, + void *data) { writel(SIRFSOC_SYS_RST_BIT, sirfsoc_rstc_base); + return NOTIFY_DONE; } +static struct notifier_block sirfsoc_restart_nb = { + .notifier_call = sirfsoc_restart, + .priority = 192, +}; + static int sirfsoc_rstc_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; @@ -79,7 +86,7 @@ static int sirfsoc_rstc_probe(struct platform_device *pdev) } sirfsoc_reset_controller.of_node = np; - arm_pm_restart = sirfsoc_restart; + register_restart_handler(&sirfsoc_restart_nb); if (IS_ENABLED(CONFIG_RESET_CONTROLLER)) reset_controller_register(&sirfsoc_reset_controller); -- 2.23.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel