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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3925fc6dfcdsm1043073a91.4.2026.08.06.23.24.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Aug 2026 23:24:56 -0700 (PDT) From: phucduc.bui@gmail.com To: Mathias Nyman , Greg Kroah-Hartman , Thierry Reding , Jonathan Hunter , linux-usb@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, bui duc phuc Subject: [PATCH v2] usb: xhci: tegra: Propagate errors from optional IRQ lookup Date: Fri, 7 Aug 2026 13:24:40 +0700 Message-ID: <20260807062440.24708-1-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. Signed-off-by: bui duc phuc --- Links v1: https://lore.kernel.org/all/20260806063933.27331-1-phucduc.bui@gmail.com/ Changes in v2: - Update the commit message and error handling. - Propagate all errors from platform_get_irq_optional() except -ENXIO, instead of only handling -EPROBE_DEFER. drivers/usb/host/xhci-tegra.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c index e7e6d569f1db..d7ae279acdf0 100644 --- a/drivers/usb/host/xhci-tegra.c +++ b/drivers/usb/host/xhci-tegra.c @@ -1571,8 +1571,11 @@ static int tegra_xusb_setup_wakeup(struct platform_device *pdev, struct tegra_xu struct irq_data *data; tegra->wake_irqs[i] = platform_get_irq_optional(pdev, i + WAKE_IRQ_START_INDEX); - if (tegra->wake_irqs[i] < 0) + if (tegra->wake_irqs[i] < 0) { + if (tegra->wake_irqs[i] != -ENXIO) + return tegra->wake_irqs[i]; break; + } data = irq_get_irq_data(tegra->wake_irqs[i]); if (!data) { -- 2.43.0