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Tue, 16 Dec 2025 22:30:45 -0800 (PST) From: Rosen Penev To: linux-i2c@vger.kernel.org Cc: Chris Packham , Andi Shyti , linux-kernel@vger.kernel.org (open list) Subject: [PATCH 1/2] i2c: rtl9300: remove const cast Date: Tue, 16 Dec 2025 22:30:26 -0800 Message-ID: <20251217063027.37987-2-rosenp@gmail.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251217063027.37987-1-rosenp@gmail.com> References: <20251217063027.37987-1-rosenp@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" These casts are used to remove const for no good reason. Fix the types instead. Signed-off-by: Rosen Penev Reviewed-by: Chris Packham --- drivers/i2c/busses/i2c-rtl9300.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/i2c/busses/i2c-rtl9300.c b/drivers/i2c/busses/i2c-rtl9= 300.c index 4723e48cfe18..f2aa341a7cdd 100644 --- a/drivers/i2c/busses/i2c-rtl9300.c +++ b/drivers/i2c/busses/i2c-rtl9300.c @@ -129,7 +129,7 @@ static int rtl9310_i2c_select_scl(struct rtl9300_i2c *i= 2c, u8 scl) =20 static int rtl9300_i2c_config_chan(struct rtl9300_i2c *i2c, struct rtl9300= _i2c_chan *chan) { - struct rtl9300_i2c_drv_data *drv_data; + const struct rtl9300_i2c_drv_data *drv_data; int ret; =20 if (i2c->sda_num =3D=3D chan->sda_num) @@ -139,7 +139,7 @@ static int rtl9300_i2c_config_chan(struct rtl9300_i2c *= i2c, struct rtl9300_i2c_c if (ret) return ret; =20 - drv_data =3D (struct rtl9300_i2c_drv_data *)device_get_match_data(i2c->de= v); + drv_data =3D device_get_match_data(i2c->dev); ret =3D drv_data->select_scl(i2c, i2c->scl_num); if (ret) return ret; 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Tue, 16 Dec 2025 22:30:46 -0800 (PST) Received: from ryzen ([2601:644:8000:8e26::c20]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-11f2e1bb45csm61585357c88.1.2025.12.16.22.30.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Dec 2025 22:30:46 -0800 (PST) From: Rosen Penev To: linux-i2c@vger.kernel.org Cc: Chris Packham , Andi Shyti , linux-kernel@vger.kernel.org (open list) Subject: [PATCH 2/2] i2c: rtl9300: use of instead of fwnode Date: Tue, 16 Dec 2025 22:30:27 -0800 Message-ID: <20251217063027.37987-3-rosenp@gmail.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251217063027.37987-1-rosenp@gmail.com> References: <20251217063027.37987-1-rosenp@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" Avoids having to use to_of_node and just assign directly. This is an OF only driver anyway. Use _scoped for the for each loop to avoid refcount leaks. Signed-off-by: Rosen Penev Reviewed-by: Chris Packham --- drivers/i2c/busses/i2c-rtl9300.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/i2c/busses/i2c-rtl9300.c b/drivers/i2c/busses/i2c-rtl9= 300.c index f2aa341a7cdd..672cb978066d 100644 --- a/drivers/i2c/busses/i2c-rtl9300.c +++ b/drivers/i2c/busses/i2c-rtl9300.c @@ -371,7 +371,6 @@ static int rtl9300_i2c_probe(struct platform_device *pd= ev) { struct device *dev =3D &pdev->dev; struct rtl9300_i2c *i2c; - struct fwnode_handle *child; const struct rtl9300_i2c_drv_data *drv_data; struct reg_field fields[F_NUM_FIELDS]; u32 clock_freq, scl_num, sda_num; @@ -415,15 +414,15 @@ static int rtl9300_i2c_probe(struct platform_device *= pdev) return ret; =20 i =3D 0; - device_for_each_child_node(dev, child) { + for_each_child_of_node_scoped(dev->of_node, child) { struct rtl9300_i2c_chan *chan =3D &i2c->chans[i]; struct i2c_adapter *adap =3D &chan->adap; =20 - ret =3D fwnode_property_read_u32(child, "reg", &sda_num); + ret =3D of_property_read_u32(child, "reg", &sda_num); if (ret) return ret; =20 - ret =3D fwnode_property_read_u32(child, "clock-frequency", &clock_freq); + ret =3D of_property_read_u32(child, "clock-frequency", &clock_freq); if (ret) clock_freq =3D I2C_MAX_STANDARD_MODE_FREQ; =20 @@ -449,7 +448,7 @@ static int rtl9300_i2c_probe(struct platform_device *pd= ev) adap->retries =3D 3; adap->dev.parent =3D dev; i2c_set_adapdata(adap, chan); - adap->dev.of_node =3D to_of_node(child); + adap->dev.of_node =3D child; snprintf(adap->name, sizeof(adap->name), "%s SDA%d\n", dev_name(dev), sd= a_num); i++; =20 --=20 2.52.0