From nobody Fri Dec 19 15:17:24 2025 Received: from fgw22-7.mail.saunalahti.fi (fgw22-7.mail.saunalahti.fi [62.142.5.83]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BB16F199EAF for ; Mon, 26 Aug 2024 21:23:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=62.142.5.83 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724707431; cv=none; b=LGw4pOFv6arIIKV399+akyD5nAbENzmn0ClJ16CaaZCdVOLLWsDgStSZgI2x5SXHerCskt1Vim4GYVQuBiVQmWg2LtbEPd4IgIOR0bmymAYK09wf8ol4M9O+8B9AATDq5PTfkMBc2B+Hq6+NaM1f0iHW1nlkejQq3bx+ofQWPZY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724707431; c=relaxed/simple; bh=AJvpk1xtG+Ud7tuglDJ1RPHK7+JF6ECeU6+oT7zj7KU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qkUFhEDkTahnjD+CjCe+8dl0JtyNj6h+mAHB8b468TJ/iuo4BX/wj08yLVqfPFx5yNkeGHZKimHUp+m5zFQWIuKmVP8sSf2wnuHmfSIao5Yq3b33/T4FPo4b+hPAv6WCXZHNARvHeyzHEMwmNqpKkDChC/RU1KTq6zjJcJ1Vr54= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com; spf=fail smtp.mailfrom=gmail.com; arc=none smtp.client-ip=62.142.5.83 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=gmail.com Received: from localhost (88-113-25-87.elisa-laajakaista.fi [88.113.25.87]) by fgw21.mail.saunalahti.fi (Halon) with ESMTP id 7af5e7e2-63f1-11ef-aba1-005056bdd08f; Tue, 27 Aug 2024 00:23:47 +0300 (EEST) From: Andy Shevchenko To: Lorenzo Bianconi , Andy Shevchenko , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Jonathan Cameron , Lars-Peter Clausen Subject: [PATCH v1 2/2] iio: imu: st_lsm6dsx: Remove useless dev_fwnode() calls Date: Tue, 27 Aug 2024 00:22:40 +0300 Message-ID: <20240826212344.866928-3-andy.shevchenko@gmail.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240826212344.866928-1-andy.shevchenko@gmail.com> References: <20240826212344.866928-1-andy.shevchenko@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: quoted-printable Content-Type: text/plain; charset="utf-8" The device property APIs designed that way that they will return an error w= hen there is no valid fwnode provided. Moreover, the check for NULL of dev_fwno= de() is not fully correct as in some (currently rare) cases it may contain an er= ror pointer. This is not a problem anyway (see keyword 'valid' above) that's why the code works properly even without this change. Signed-off-by: Andy Shevchenko --- drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 23 +++++--------------- 1 file changed, 6 insertions(+), 17 deletions(-) diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu= /st_lsm6dsx/st_lsm6dsx_core.c index 722b43f9203b..a7760c000c8c 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c @@ -2127,25 +2127,15 @@ static const struct iio_info st_lsm6dsx_gyro_info = =3D { .write_raw_get_fmt =3D st_lsm6dsx_write_raw_get_fmt, }; =20 -static int st_lsm6dsx_get_drdy_pin(struct st_lsm6dsx_hw *hw, int *drdy_pin) -{ - struct device *dev =3D hw->dev; - - if (!dev_fwnode(dev)) - return -EINVAL; - - return device_property_read_u32(dev, "st,drdy-int-pin", drdy_pin); -} - static int st_lsm6dsx_get_drdy_reg(struct st_lsm6dsx_hw *hw, const struct st_lsm6dsx_reg **drdy_reg) { + struct device *dev =3D hw->dev; int err =3D 0, drdy_pin; =20 - if (st_lsm6dsx_get_drdy_pin(hw, &drdy_pin) < 0) { + if (device_property_read_u32(dev, "st,drdy-int-pin", drdy_pin) < 0) { struct st_sensors_platform_data *pdata; - struct device *dev =3D hw->dev; =20 pdata =3D (struct st_sensors_platform_data *)dev->platform_data; drdy_pin =3D pdata ? pdata->drdy_int_pin : 1; @@ -2180,7 +2170,7 @@ static int st_lsm6dsx_init_shub(struct st_lsm6dsx_hw = *hw) hub_settings =3D &hw->settings->shub_settings; =20 pdata =3D (struct st_sensors_platform_data *)dev->platform_data; - if ((dev_fwnode(dev) && device_property_read_bool(dev, "st,pullups")) || + if (device_property_read_bool(dev, "st,pullups") || (pdata && pdata->pullups)) { if (hub_settings->pullup_en.sec_page) { err =3D st_lsm6dsx_set_page(hw, true); @@ -2565,7 +2555,7 @@ static int st_lsm6dsx_irq_setup(struct st_lsm6dsx_hw = *hw) return err; =20 pdata =3D (struct st_sensors_platform_data *)dev->platform_data; - if ((dev_fwnode(dev) && device_property_read_bool(dev, "drive-open-drain"= )) || + if (device_property_read_bool(dev, "drive-open-drain") || (pdata && pdata->open_drain)) { reg =3D &hw->settings->irq_config.od; err =3D regmap_update_bits(hw->regmap, reg->addr, reg->mask, @@ -2693,8 +2683,7 @@ int st_lsm6dsx_probe(struct device *dev, int irq, int= hw_id, =20 hub_settings =3D &hw->settings->shub_settings; if (hub_settings->master_en.addr && - (!dev_fwnode(dev) || - !device_property_read_bool(dev, "st,disable-sensor-hub"))) { + !device_property_read_bool(dev, "st,disable-sensor-hub")) { err =3D st_lsm6dsx_shub_probe(hw, name); if (err < 0) return err; @@ -2735,7 +2724,7 @@ int st_lsm6dsx_probe(struct device *dev, int irq, int= hw_id, return err; } =20 - if ((dev_fwnode(dev) && device_property_read_bool(dev, "wakeup-source")) = || + if (device_property_read_bool(dev, "wakeup-source") || (pdata && pdata->wakeup_source)) device_init_wakeup(dev, true); =20 --=20 2.46.0