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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-39085de8ddcsm3913377a91.6.2026.08.07.01.17.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Aug 2026 01:17:17 -0700 (PDT) From: phucduc.bui@gmail.com To: Wim Van Sebroeck , Guenter Roeck , Joel Stanley , Andrew Jeffery , AngeloGioacchino Del Regno Cc: linux-arm-msm@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org, linux-aspeed@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, bui duc phuc Subject: [PATCH 3/4] watchdog: dw_wdt: Propagate errors from optional IRQ lookup Date: Fri, 7 Aug 2026 15:16:51 +0700 Message-ID: <20260807081652.38692-3-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260807081652.38692-1-phucduc.bui@gmail.com> References: <20260807081652.38692-1-phucduc.bui@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260807_091719_996492_F3C79695 X-CRM114-Status: GOOD ( 12.00 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org From: bui duc phuc platform_get_irq_optional() returns a positive IRQ number on success or a negative error code on failure. For an optional IRQ, -ENXIO indicates that no IRQ is available, while other errors should be propagated. Instead of only checking for -EPROBE_DEFER, propagate all error codes returned by platform_get_irq_optional() other than -ENXIO, so that failures are properly reported to the caller. Signed-off-by: bui duc phuc --- drivers/watchdog/dw_wdt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/watchdog/dw_wdt.c b/drivers/watchdog/dw_wdt.c index c3fbb6068c52..39031445d754 100644 --- a/drivers/watchdog/dw_wdt.c +++ b/drivers/watchdog/dw_wdt.c @@ -611,7 +611,7 @@ static int dw_wdt_drv_probe(struct platform_device *pdev) dw_wdt->wdd.info = &dw_wdt_pt_ident; } else { - if (ret == -EPROBE_DEFER) + if (ret != -ENXIO) return ret; dw_wdt->wdd.info = &dw_wdt_ident; -- 2.43.0