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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-39085de8ddcsm3913377a91.6.2026.08.07.01.17.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Aug 2026 01:17:12 -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 2/4] watchdog: mediatek: Propagate errors from optional IRQ lookup Date: Fri, 7 Aug 2026 15:16:50 +0700 Message-ID: <20260807081652.38692-2-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> X-Mailing-List: linux-aspeed@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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/mtk_wdt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c index 91d110646e16..d9c30e4c80e3 100644 --- a/drivers/watchdog/mtk_wdt.c +++ b/drivers/watchdog/mtk_wdt.c @@ -422,8 +422,8 @@ static int mtk_wdt_probe(struct platform_device *pdev) mtk_wdt->wdt_dev.info = &mtk_wdt_pt_info; mtk_wdt->wdt_dev.pretimeout = WDT_MAX_TIMEOUT / 2; } else { - if (irq == -EPROBE_DEFER) - return -EPROBE_DEFER; + if (irq != -ENXIO) + return irq; mtk_wdt->wdt_dev.info = &mtk_wdt_info; } -- 2.43.0