auxdisplay: ht16k33: Add helper variable dev
This driver has many users of "client->dev". Add shorthands to simplify
the code.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
diff --git a/drivers/auxdisplay/ht16k33.c b/drivers/auxdisplay/ht16k33.c
index d0d7b55..dcf530a 100644
--- a/drivers/auxdisplay/ht16k33.c
+++ b/drivers/auxdisplay/ht16k33.c
@@ -326,7 +326,8 @@ static void ht16k33_keypad_stop(struct input_dev *dev)
static int ht16k33_keypad_probe(struct i2c_client *client,
struct ht16k33_keypad *keypad)
{
- struct device_node *node = client->dev.of_node;
+ struct device *dev = &client->dev;
+ struct device_node *node = dev->of_node;
u32 rows = HT16K33_MATRIX_KEYPAD_MAX_ROWS;
u32 cols = HT16K33_MATRIX_KEYPAD_MAX_COLS;
int err;
@@ -334,7 +335,7 @@ static int ht16k33_keypad_probe(struct i2c_client *client,
keypad->client = client;
init_waitqueue_head(&keypad->wait);
- keypad->dev = devm_input_allocate_device(&client->dev);
+ keypad->dev = devm_input_allocate_device(dev);
if (!keypad->dev)
return -ENOMEM;
@@ -351,17 +352,17 @@ static int ht16k33_keypad_probe(struct i2c_client *client,
err = of_property_read_u32(node, "debounce-delay-ms",
&keypad->debounce_ms);
if (err) {
- dev_err(&client->dev, "key debounce delay not specified\n");
+ dev_err(dev, "key debounce delay not specified\n");
return err;
}
- err = matrix_keypad_parse_of_params(&client->dev, &rows, &cols);
+ err = matrix_keypad_parse_of_params(dev, &rows, &cols);
if (err)
return err;
if (rows > HT16K33_MATRIX_KEYPAD_MAX_ROWS ||
cols > HT16K33_MATRIX_KEYPAD_MAX_COLS) {
- dev_err(&client->dev, "%u rows or %u cols out of range in DT\n",
- rows, cols);
+ dev_err(dev, "%u rows or %u cols out of range in DT\n", rows,
+ cols);
return -ERANGE;
}
@@ -372,17 +373,17 @@ static int ht16k33_keypad_probe(struct i2c_client *client,
err = matrix_keypad_build_keymap(NULL, NULL, rows, cols, NULL,
keypad->dev);
if (err) {
- dev_err(&client->dev, "failed to build keymap\n");
+ dev_err(dev, "failed to build keymap\n");
return err;
}
- err = devm_request_threaded_irq(&client->dev, client->irq,
- NULL, ht16k33_keypad_irq_thread,
+ err = devm_request_threaded_irq(dev, client->irq, NULL,
+ ht16k33_keypad_irq_thread,
IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
DRIVER_NAME, keypad);
if (err) {
- dev_err(&client->dev, "irq request failed %d, error %d\n",
- client->irq, err);
+ dev_err(dev, "irq request failed %d, error %d\n", client->irq,
+ err);
return err;
}
@@ -399,14 +400,15 @@ static int ht16k33_probe(struct i2c_client *client)
struct backlight_properties bl_props;
struct ht16k33_priv *priv;
struct ht16k33_fbdev *fbdev;
- struct device_node *node = client->dev.of_node;
+ struct device *dev = &client->dev;
+ struct device_node *node = dev->of_node;
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
- dev_err(&client->dev, "i2c_check_functionality error\n");
+ dev_err(dev, "i2c_check_functionality error\n");
return -EIO;
}
- priv = devm_kzalloc(&client->dev, sizeof(*priv), GFP_KERNEL);
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
@@ -423,11 +425,10 @@ static int ht16k33_probe(struct i2c_client *client)
bl_props.type = BACKLIGHT_RAW;
bl_props.max_brightness = MAX_BRIGHTNESS;
- bl = devm_backlight_device_register(&client->dev, DRIVER_NAME"-bl",
- &client->dev, priv,
+ bl = devm_backlight_device_register(dev, DRIVER_NAME"-bl", dev, priv,
&ht16k33_bl_ops, &bl_props);
if (IS_ERR(bl)) {
- dev_err(&client->dev, "failed to register backlight\n");
+ dev_err(dev, "failed to register backlight\n");
return PTR_ERR(bl);
}
@@ -436,7 +437,7 @@ static int ht16k33_probe(struct i2c_client *client)
if (err) {
dft_brightness = MAX_BRIGHTNESS;
} else if (dft_brightness > MAX_BRIGHTNESS) {
- dev_warn(&client->dev,
+ dev_warn(dev,
"invalid default brightness level: %u, using %u\n",
dft_brightness, MAX_BRIGHTNESS);
dft_brightness = MAX_BRIGHTNESS;
@@ -451,13 +452,13 @@ static int ht16k33_probe(struct i2c_client *client)
if (!fbdev->buffer)
return -ENOMEM;
- fbdev->cache = devm_kmalloc(&client->dev, HT16K33_FB_SIZE, GFP_KERNEL);
+ fbdev->cache = devm_kmalloc(dev, HT16K33_FB_SIZE, GFP_KERNEL);
if (!fbdev->cache) {
err = -ENOMEM;
goto err_fbdev_buffer;
}
- fbdev->info = framebuffer_alloc(0, &client->dev);
+ fbdev->info = framebuffer_alloc(0, dev);
if (!fbdev->info) {
err = -ENOMEM;
goto err_fbdev_buffer;
@@ -466,7 +467,7 @@ static int ht16k33_probe(struct i2c_client *client)
err = of_property_read_u32(node, "refresh-rate-hz",
&fbdev->refresh_rate);
if (err) {
- dev_err(&client->dev, "refresh rate not specified\n");
+ dev_err(dev, "refresh rate not specified\n");
goto err_fbdev_info;
}
fb_bl_default_curve(fbdev->info, 0, MIN_BRIGHTNESS, MAX_BRIGHTNESS);