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[60.250.196.139]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2e6046fe0e8sm7180675ad.25.2026.10.07.02.21.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Oct 2026 02:21:21 -0700 (PDT) From: a0282524688@gmail.com To: lee@kernel.org, Ming Yu , Linus Walleij , Bartosz Golaszewski Cc: linux-kernel@vger.kernel.org, Ming Yu , linux-gpio@vger.kernel.org Subject: [PATCH v8 01/13] gpio: nct6694: Mark the GPIO controller as sleeping Date: Wed, 7 Oct 2026 17:20:50 +0800 Message-Id: <20261007092102.3768818-2-a0282524688@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20261007092102.3768818-1-a0282524688@gmail.com> References: <20261007092102.3768818-1-a0282524688@gmail.com> 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: Ming Yu The GPIO callbacks take a mutex and issue USB transfers, so this GPIO chip must not be used in atomic context. Change the can_sleep switch in struct gpio_chip to true. Fixes: 611a995e8ae1 ("gpio: Add Nuvoton NCT6694 GPIO support") Signed-off-by: Ming Yu --- Changes in v8: - New patch. Set can_sleep, as the GPIO callbacks sleep on USB I/O. drivers/gpio/gpio-nct6694.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-nct6694.c b/drivers/gpio/gpio-nct6694.c index a8607f0d9915..a38add1cde29 100644 --- a/drivers/gpio/gpio-nct6694.c +++ b/drivers/gpio/gpio-nct6694.c @@ -444,7 +444,7 @@ static int nct6694_gpio_probe(struct platform_device *pdev) data->gpio.set_config = nct6694_set_config; data->gpio.init_valid_mask = nct6694_init_valid_mask; data->gpio.base = -1; - data->gpio.can_sleep = false; + data->gpio.can_sleep = true; data->gpio.owner = THIS_MODULE; data->gpio.ngpio = NCT6694_NR_GPIO; -- 2.34.1