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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2d0aa4bda53sm25370095ad.63.2026.08.05.23.28.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Aug 2026 23:28:24 -0700 (PDT) From: phucduc.bui@gmail.com To: Wim Van Sebroeck , Guenter Roeck , Maxime Coquelin , Alexandre Torgue , linux-watchdog@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, bui duc phuc Subject: [PATCH 1/2] watchdog: orion_wdt: Propagate -EPROBE_DEFER from IRQ lookup Date: Thu, 6 Aug 2026 13:28:11 +0700 Message-ID: <20260806062812.26523-1-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260805_232826_189118_D113D010 X-CRM114-Status: GOOD ( 12.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: bui duc phuc Return -EPROBE_DEFER from platform_get_irq_optional() so the driver is re-probed when the interrupt resource becomes available instead of continuing probe without an IRQ. Signed-off-by: bui duc phuc --- drivers/watchdog/orion_wdt.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c index 0e145f762f6f..8595073a8179 100644 --- a/drivers/watchdog/orion_wdt.c +++ b/drivers/watchdog/orion_wdt.c @@ -606,6 +606,8 @@ static int orion_wdt_probe(struct platform_device *pdev) /* Request the IRQ only after the watchdog is disabled */ irq = platform_get_irq_optional(pdev, 0); + if (irq == -EPROBE_DEFER) + return irq; if (irq > 0) { /* * Not all supported platforms specify an interrupt for the -- 2.43.0