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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-84f5a3fe7d6sm3592046b3a.26.2026.08.10.02.31.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Aug 2026 02:31:40 -0700 (PDT) From: phucduc.bui@gmail.com To: Peter Chen , Greg Kroah-Hartman , Frank Li , Sascha Hauer , Pengutronix Kernel Team , linux-usb@vger.kernel.org Cc: Fabio Estevam , imx@lists.linux.dev, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, bui duc phuc Subject: [PATCH v3 1/2] usb: chipidea: ci_hdrc_imx: Propagate errors from optional IRQ lookup Date: Mon, 10 Aug 2026 16:31:11 +0700 Message-ID: <20260810093112.47807-1-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() 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. Propagate errors such as -EPROBE_DEFER and -EINVAL instead of continuing probe without the IRQ. Acked-by: Peter Chen Signed-off-by: bui duc phuc --- Link v2: https://lore.kernel.org/all/20260807065619.30604-1-phucduc.bui@gmail.com/ Changes in v3: - Use the phy_shutdown label instead of err_clk as suggested by Sashiko's review. - Add Peter Chen's Acked-by tag. drivers/usb/chipidea/ci_hdrc_imx.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index 56d2ba824a0b..9e529398c607 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -525,6 +525,10 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) data->supports_runtime_pm = true; data->wakeup_irq = platform_get_irq_optional(pdev, 1); + if (data->wakeup_irq < 0 && data->wakeup_irq != -ENXIO) { + ret = data->wakeup_irq; + goto phy_shutdown; + } if (data->wakeup_irq > 0) { irq_name = devm_kasprintf(dev, GFP_KERNEL, "%s:wakeup", pdata.name); if (!irq_name) { -- 2.43.0