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-rw-r--r--drivers/i2c/muxes/Kconfig1
-rw-r--r--drivers/i2c/muxes/i2c-arb-gpio-challenge.c3
-rw-r--r--drivers/i2c/muxes/i2c-mux-gpio.c11
-rw-r--r--drivers/i2c/muxes/i2c-mux-pca9541.c1
-rw-r--r--drivers/i2c/muxes/i2c-mux-pca954x.c33
-rw-r--r--drivers/i2c/muxes/i2c-mux-pinctrl.c2
6 files changed, 24 insertions, 27 deletions
diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig
index f7f9865b8b8..f6d313e528d 100644
--- a/drivers/i2c/muxes/Kconfig
+++ b/drivers/i2c/muxes/Kconfig
@@ -40,6 +40,7 @@ config I2C_MUX_PCA9541
config I2C_MUX_PCA954x
tristate "Philips PCA954x I2C Mux/switches"
+ depends on GPIOLIB
help
If you say yes here you get support for the Philips PCA954x
I2C mux/switch devices.
diff --git a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c
index 928656e241d..69afffa8f42 100644
--- a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c
+++ b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c
@@ -19,7 +19,6 @@
#include <linux/kernel.h>
#include <linux/i2c.h>
#include <linux/i2c-mux.h>
-#include <linux/init.h>
#include <linux/module.h>
#include <linux/of_gpio.h>
#include <linux/platform_device.h>
@@ -238,7 +237,7 @@ static struct platform_driver i2c_arbitrator_driver = {
.driver = {
.owner = THIS_MODULE,
.name = "i2c-arb-gpio-challenge",
- .of_match_table = of_match_ptr(i2c_arbitrator_of_match),
+ .of_match_table = i2c_arbitrator_of_match,
},
};
diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c
index a764da777f0..d8989c823f5 100644
--- a/drivers/i2c/muxes/i2c-mux-gpio.c
+++ b/drivers/i2c/muxes/i2c-mux-gpio.c
@@ -12,7 +12,6 @@
#include <linux/i2c-mux.h>
#include <linux/i2c-mux-gpio.h>
#include <linux/platform_device.h>
-#include <linux/init.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/gpio.h>
@@ -30,15 +29,15 @@ static void i2c_mux_gpio_set(const struct gpiomux *mux, unsigned val)
int i;
for (i = 0; i < mux->data.n_gpios; i++)
- gpio_set_value(mux->gpio_base + mux->data.gpios[i],
- val & (1 << i));
+ gpio_set_value_cansleep(mux->gpio_base + mux->data.gpios[i],
+ val & (1 << i));
}
static int i2c_mux_gpio_select(struct i2c_adapter *adap, void *data, u32 chan)
{
struct gpiomux *mux = data;
- i2c_mux_gpio_set(mux, mux->data.values[chan]);
+ i2c_mux_gpio_set(mux, chan);
return 0;
}
@@ -228,7 +227,7 @@ static int i2c_mux_gpio_probe(struct platform_device *pdev)
unsigned int class = mux->data.classes ? mux->data.classes[i] : 0;
mux->adap[i] = i2c_add_mux_adapter(parent, &pdev->dev, mux, nr,
- i, class,
+ mux->data.values[i], class,
i2c_mux_gpio_select, deselect);
if (!mux->adap[i]) {
ret = -ENODEV;
@@ -283,7 +282,7 @@ static struct platform_driver i2c_mux_gpio_driver = {
.driver = {
.owner = THIS_MODULE,
.name = "i2c-mux-gpio",
- .of_match_table = of_match_ptr(i2c_mux_gpio_of_match),
+ .of_match_table = i2c_mux_gpio_of_match,
},
};
diff --git a/drivers/i2c/muxes/i2c-mux-pca9541.c b/drivers/i2c/muxes/i2c-mux-pca9541.c
index c4f08ad3118..cb772775da4 100644
--- a/drivers/i2c/muxes/i2c-mux-pca9541.c
+++ b/drivers/i2c/muxes/i2c-mux-pca9541.c
@@ -17,7 +17,6 @@
*/
#include <linux/module.h>
-#include <linux/init.h>
#include <linux/jiffies.h>
#include <linux/delay.h>
#include <linux/slab.h>
diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c
index bad5b84a598..9bd4212782a 100644
--- a/drivers/i2c/muxes/i2c-mux-pca954x.c
+++ b/drivers/i2c/muxes/i2c-mux-pca954x.c
@@ -28,21 +28,20 @@
* Based on:
* i2c-virtual_cb.c from Brian Kuschak <bkuschak@yahoo.com>
* and
- * pca9540.c from Jean Delvare <khali@linux-fr.org>.
+ * pca9540.c from Jean Delvare <jdelvare@suse.de>.
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/slab.h>
#include <linux/device.h>
+#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/i2c-mux.h>
-
#include <linux/i2c/pca954x.h>
+#include <linux/module.h>
+#include <linux/slab.h>
#define PCA954X_MAX_NCHANS 8
@@ -186,28 +185,32 @@ static int pca954x_probe(struct i2c_client *client,
{
struct i2c_adapter *adap = to_i2c_adapter(client->dev.parent);
struct pca954x_platform_data *pdata = dev_get_platdata(&client->dev);
+ struct gpio_desc *gpio;
int num, force, class;
struct pca954x *data;
- int ret = -ENODEV;
+ int ret;
if (!i2c_check_functionality(adap, I2C_FUNC_SMBUS_BYTE))
- goto err;
+ return -ENODEV;
- data = kzalloc(sizeof(struct pca954x), GFP_KERNEL);
- if (!data) {
- ret = -ENOMEM;
- goto err;
- }
+ data = devm_kzalloc(&client->dev, sizeof(struct pca954x), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
i2c_set_clientdata(client, data);
+ /* Get the mux out of reset if a reset GPIO is specified. */
+ gpio = devm_gpiod_get(&client->dev, "reset");
+ if (!IS_ERR(gpio))
+ gpiod_direction_output(gpio, 0);
+
/* Write the mux register at addr to verify
* that the mux is in fact present. This also
* initializes the mux to disconnected state.
*/
if (i2c_smbus_write_byte(client, 0) < 0) {
dev_warn(&client->dev, "probe failed\n");
- goto exit_free;
+ return -ENODEV;
}
data->type = id->driver_data;
@@ -252,9 +255,6 @@ static int pca954x_probe(struct i2c_client *client,
virt_reg_failed:
for (num--; num >= 0; num--)
i2c_del_mux_adapter(data->virt_adaps[num]);
-exit_free:
- kfree(data);
-err:
return ret;
}
@@ -270,7 +270,6 @@ static int pca954x_remove(struct i2c_client *client)
data->virt_adaps[i] = NULL;
}
- kfree(data);
return 0;
}
diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c
index 68a37157377..4ff0ef3e07a 100644
--- a/drivers/i2c/muxes/i2c-mux-pinctrl.c
+++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c
@@ -18,12 +18,12 @@
#include <linux/i2c.h>
#include <linux/i2c-mux.h>
-#include <linux/init.h>
#include <linux/module.h>
#include <linux/pinctrl/consumer.h>
#include <linux/i2c-mux-pinctrl.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
+#include <linux/of.h>
struct i2c_mux_pinctrl {
struct device *dev;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-12 07:25:08 +0000