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[77.57.203.148]) by smtp.gmail.com with ESMTPSA id lj21sm690378ejb.64.2021.04.06.05.15.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Apr 2021 05:15:11 -0700 (PDT) From: eichest@gmail.com To: linux-watchdog@vger.kernel.org Cc: Wim Van Sebroeck , Guenter Roeck , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Stefan Eichenberger , Ahmad Fatoum Subject: [PATCH v2] watchdog: imx_sc_wdt: fix pretimeout Date: Tue, 6 Apr 2021 14:12:47 +0200 Message-Id: <20210406121246.49335-1-eichest@gmail.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org From: Stefan Eichenberger If the WDIOF_PRETIMEOUT flag is not set when registering the device the driver will not show the sysfs entries or register the default governor. By moving the registering after the decision whether pretimeout is supported this gets fixed. Signed-off-by: Stefan Eichenberger --- drivers/watchdog/imx_sc_wdt.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/watchdog/imx_sc_wdt.c b/drivers/watchdog/imx_sc_wdt.c index e9ee22a7cb45..8ac021748d16 100644 --- a/drivers/watchdog/imx_sc_wdt.c +++ b/drivers/watchdog/imx_sc_wdt.c @@ -183,16 +183,12 @@ static int imx_sc_wdt_probe(struct platform_device *pdev) watchdog_stop_on_reboot(wdog); watchdog_stop_on_unregister(wdog); - ret = devm_watchdog_register_device(dev, wdog); - if (ret) - return ret; - ret = imx_scu_irq_group_enable(SC_IRQ_GROUP_WDOG, SC_IRQ_WDOG, true); if (ret) { dev_warn(dev, "Enable irq failed, pretimeout NOT supported\n"); - return 0; + goto register_device; } imx_sc_wdd->wdt_notifier.notifier_call = imx_sc_wdt_notify; @@ -203,7 +199,7 @@ static int imx_sc_wdt_probe(struct platform_device *pdev) false); dev_warn(dev, "Register irq notifier failed, pretimeout NOT supported\n"); - return 0; + goto register_device; } ret = devm_add_action_or_reset(dev, imx_sc_wdt_action, @@ -213,7 +209,8 @@ static int imx_sc_wdt_probe(struct platform_device *pdev) else dev_warn(dev, "Add action failed, pretimeout NOT supported\n"); - return 0; +register_device: + return devm_watchdog_register_device(dev, wdog); } static int __maybe_unused imx_sc_wdt_suspend(struct device *dev) -- 2.27.0