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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-84f459ba322sm649086b3a.50.2026.08.05.23.11.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Aug 2026 23:11:05 -0700 (PDT) From: phucduc.bui@gmail.com To: Mark Brown , Liam Girdwood , Jaroslav Kysela , Takashi Iwai , Tim Bird Cc: linux-kernel@vger.kernel.org, linux-sound@vger.kernel.org, bui duc phuc Subject: [PATCH] ASoC: dwc: Propagate -EPROBE_DEFER from IRQ lookup Date: Thu, 6 Aug 2026 13:10:45 +0700 Message-ID: <20260806061046.25323-1-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: bui duc phuc platform_get_irq_optional() never returns 0. It returns a positive IRQ number on success or a negative error code on failure. 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 --- sound/soc/dwc/dwc-i2s.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sound/soc/dwc/dwc-i2s.c b/sound/soc/dwc/dwc-i2s.c index 74dfd39fd604..2e9fb79b1cd8 100644 --- a/sound/soc/dwc/dwc-i2s.c +++ b/sound/soc/dwc/dwc-i2s.c @@ -955,7 +955,9 @@ static int dw_i2s_probe(struct platform_device *pdev) } irq = platform_get_irq_optional(pdev, 0); - if (irq >= 0) { + if (irq == -EPROBE_DEFER) + return irq; + if (irq > 0) { ret = devm_request_irq(&pdev->dev, irq, i2s_irq_handler, 0, pdev->name, dev); if (ret < 0) { -- 2.43.0