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[86.98.192.109]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-439f81acc22sm7000956f8f.16.2026.03.11.07.57.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Mar 2026 07:57:14 -0700 (PDT) From: Alexey Charkov Date: Wed, 11 Mar 2026 18:57:12 +0400 Subject: [PATCH] usb: typec: fusb302: Switch to threaded IRQ handler Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260311-fusb302-irq-v1-1-7e7105706629@flipper.net> X-B4-Tracking: v=1; b=H4sIAMeCsWkC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIzMDY0ND3bTS4iRjAyPdzKJCXWNDMwtjE3MzUwtzQyWgjoKi1LTMCrBp0bG 1tQDxCsT/XQAAAA== X-Change-ID: 20260311-fusb302-irq-316834765871 To: Heikki Krogerus , Greg Kroah-Hartman , Sebastian Reichel Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Alexey Charkov X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1328; i=alchark@flipper.net; h=from:subject:message-id; bh=whRlnXOTJX33UysFGZTkniey9cqO9uDlVFVa4j6/+PU=; b=owGbwMvMwCW2adGNfoHIK0sZT6slMWRubDrZcLNDr/yn0seGFQkvXy9+f7nA4zybffHiTauWL vjUuu1icMdEFgYxLgZLMUWWud+W2E414pu1y8PjK8wcViaQIdIiDQxAwMLAl5uYV2qkY6Rnqm2o Z2ioY6xjxMDFKQBTzfmP4a9AUrZshOjvyqunIie+Nfvy/L1uiNZdWXvTmiszjuzNn+vD8E+fQfL EdFOJGu8bBhUbAj4bKwjx9Dou6Ggs41xz9cv23QwA X-Developer-Key: i=alchark@flipper.net; a=openpgp; fpr=9DF6A43D95320E9ABA4848F5B2A2D88F1059D4A5 FUSB302 fails to probe with -EINVAL if its interrupt line is connected via an I2C GPIO expander, such as TI TCA6416. Switch the interrupt handler to a threaded one, which also works behind such GPIO expanders. Cc: stable@vger.kernel.org Fixes: 309b6341d557 ("usb: typec: fusb302: Revert incorrect threaded irq fi= x") Signed-off-by: Alexey Charkov --- drivers/usb/typec/tcpm/fusb302.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/typec/tcpm/fusb302.c b/drivers/usb/typec/tcpm/fusb= 302.c index 19ff8217818e..4f1f24737051 100644 --- a/drivers/usb/typec/tcpm/fusb302.c +++ b/drivers/usb/typec/tcpm/fusb302.c @@ -1755,8 +1755,8 @@ static int fusb302_probe(struct i2c_client *client) goto destroy_workqueue; } =20 - ret =3D request_irq(chip->gpio_int_n_irq, fusb302_irq_intn, - IRQF_TRIGGER_LOW, "fsc_interrupt_int_n", chip); + ret =3D request_threaded_irq(chip->gpio_int_n_irq, NULL, fusb302_irq_intn, + IRQF_TRIGGER_LOW, "fsc_interrupt_int_n", chip); if (ret < 0) { dev_err(dev, "cannot request IRQ for GPIO Int_N, ret=3D%d", ret); goto tcpm_unregister_port; --- base-commit: 7109a2155340cc7b21f27e832ece6df03592f2e8 change-id: 20260311-fusb302-irq-316834765871 Best regards, --=20 Alexey Charkov