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(93-38-186-193.ip71.fastwebnet.it. [93.38.186.193]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b79c453328sm23016609f8f.46.2025.08.06.00.17.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Aug 2025 00:17:16 -0700 (PDT) From: Stefano Manni To: linus.walleij@linaro.org, brgl@bgdev.pl Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Stefano Manni Subject: [PATCH v2] gpio: pisosr: read ngpios as U32 Date: Wed, 6 Aug 2025 11:15:31 +0200 Message-ID: <20250806091531.109861-1-stefano.manni@gmail.com> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" If of_property_read_u16() is used instead the value read is always zero. Signed-off-by: Stefano Manni --- drivers/gpio/gpio-pisosr.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-pisosr.c b/drivers/gpio/gpio-pisosr.c index a69b74866a13..2dc1b1e021d2 100644 --- a/drivers/gpio/gpio-pisosr.c +++ b/drivers/gpio/gpio-pisosr.c @@ -117,6 +117,7 @@ static int pisosr_gpio_probe(struct spi_device *spi) { struct device *dev =3D &spi->dev; struct pisosr_gpio *gpio; + unsigned int ngpio; int ret; =20 gpio =3D devm_kzalloc(dev, sizeof(*gpio), GFP_KERNEL); @@ -125,8 +126,11 @@ static int pisosr_gpio_probe(struct spi_device *spi) =20 gpio->chip =3D template_chip; gpio->chip.parent =3D dev; - of_property_read_u16(dev->of_node, "ngpios", &gpio->chip.ngpio); =20 + if (of_property_read_u32(dev->of_node, "ngpios", &ngpio)) + ngpio =3D DEFAULT_NGPIO; + + gpio->chip.ngpio =3D ngpio; gpio->spi =3D spi; =20 gpio->buffer_size =3D DIV_ROUND_UP(gpio->chip.ngpio, 8); --=20 2.48.1