Commit de609b56 authored by Daniel Mack's avatar Daniel Mack Committed by Dmitry Torokhov

Input: ads7846 - add short-hand for spi->dev in probe() function

This will make the code a bit more terse.
No functional change intended.
Signed-off-by: default avatarDaniel Mack <daniel@zonque.org>
Reviewed-by: default avatarMarco Felsch <m.felsch@pengutronix.de>
Link: https://lore.kernel.org/r/20210907200726.2034962-2-daniel@zonque.orgSigned-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent daf87bff
......@@ -1216,20 +1216,21 @@ static int ads7846_probe(struct spi_device *spi)
{
const struct ads7846_platform_data *pdata;
struct ads7846 *ts;
struct device *dev = &spi->dev;
struct ads7846_packet *packet;
struct input_dev *input_dev;
unsigned long irq_flags;
int err;
if (!spi->irq) {
dev_dbg(&spi->dev, "no IRQ?\n");
dev_dbg(dev, "no IRQ?\n");
return -EINVAL;
}
/* don't exceed max specified sample rate */
if (spi->max_speed_hz > (125000 * SAMPLE_BITS)) {
dev_err(&spi->dev, "f(sample) %d KHz?\n",
(spi->max_speed_hz/SAMPLE_BITS)/1000);
dev_err(dev, "f(sample) %d KHz?\n",
(spi->max_speed_hz/SAMPLE_BITS)/1000);
return -EINVAL;
}
......@@ -1262,9 +1263,9 @@ static int ads7846_probe(struct spi_device *spi)
mutex_init(&ts->lock);
init_waitqueue_head(&ts->wait);
pdata = dev_get_platdata(&spi->dev);
pdata = dev_get_platdata(dev);
if (!pdata) {
pdata = ads7846_probe_dt(&spi->dev);
pdata = ads7846_probe_dt(dev);
if (IS_ERR(pdata)) {
err = PTR_ERR(pdata);
goto err_free_mem;
......@@ -1306,12 +1307,12 @@ static int ads7846_probe(struct spi_device *spi)
ts->wait_for_sync = pdata->wait_for_sync ? : null_wait_for_sync;
snprintf(ts->phys, sizeof(ts->phys), "%s/input0", dev_name(&spi->dev));
snprintf(ts->phys, sizeof(ts->phys), "%s/input0", dev_name(dev));
snprintf(ts->name, sizeof(ts->name), "ADS%d Touchscreen", ts->model);
input_dev->name = ts->name;
input_dev->phys = ts->phys;
input_dev->dev.parent = &spi->dev;
input_dev->dev.parent = dev;
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
......@@ -1345,16 +1346,16 @@ static int ads7846_probe(struct spi_device *spi)
ads7846_setup_spi_msg(ts, pdata);
ts->reg = regulator_get(&spi->dev, "vcc");
ts->reg = regulator_get(dev, "vcc");
if (IS_ERR(ts->reg)) {
err = PTR_ERR(ts->reg);
dev_err(&spi->dev, "unable to get regulator: %d\n", err);
dev_err(dev, "unable to get regulator: %d\n", err);
goto err_free_gpio;
}
err = regulator_enable(ts->reg);
if (err) {
dev_err(&spi->dev, "unable to enable regulator: %d\n", err);
dev_err(dev, "unable to enable regulator: %d\n", err);
goto err_put_regulator;
}
......@@ -1362,18 +1363,18 @@ static int ads7846_probe(struct spi_device *spi)
irq_flags |= IRQF_ONESHOT;
err = request_threaded_irq(spi->irq, ads7846_hard_irq, ads7846_irq,
irq_flags, spi->dev.driver->name, ts);
irq_flags, dev->driver->name, ts);
if (err && !pdata->irq_flags) {
dev_info(&spi->dev,
dev_info(dev,
"trying pin change workaround on irq %d\n", spi->irq);
irq_flags |= IRQF_TRIGGER_RISING;
err = request_threaded_irq(spi->irq,
ads7846_hard_irq, ads7846_irq,
irq_flags, spi->dev.driver->name, ts);
irq_flags, dev->driver->name, ts);
}
if (err) {
dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq);
dev_dbg(dev, "irq %d busy?\n", spi->irq);
goto err_disable_regulator;
}
......@@ -1381,18 +1382,18 @@ static int ads7846_probe(struct spi_device *spi)
if (err)
goto err_free_irq;
dev_info(&spi->dev, "touchscreen, irq %d\n", spi->irq);
dev_info(dev, "touchscreen, irq %d\n", spi->irq);
/*
* Take a first sample, leaving nPENIRQ active and vREF off; avoid
* the touchscreen, in case it's not connected.
*/
if (ts->model == 7845)
ads7845_read12_ser(&spi->dev, PWRDOWN);
ads7845_read12_ser(dev, PWRDOWN);
else
(void) ads7846_read12_ser(&spi->dev, READ_12BIT_SER(vaux));
(void) ads7846_read12_ser(dev, READ_12BIT_SER(vaux));
err = sysfs_create_group(&spi->dev.kobj, &ads784x_attr_group);
err = sysfs_create_group(&dev->kobj, &ads784x_attr_group);
if (err)
goto err_remove_hwmon;
......@@ -1400,19 +1401,19 @@ static int ads7846_probe(struct spi_device *spi)
if (err)
goto err_remove_attr_group;
device_init_wakeup(&spi->dev, pdata->wakeup);
device_init_wakeup(dev, pdata->wakeup);
/*
* If device does not carry platform data we must have allocated it
* when parsing DT data.
*/
if (!dev_get_platdata(&spi->dev))
devm_kfree(&spi->dev, (void *)pdata);
if (!dev_get_platdata(dev))
devm_kfree(dev, (void *)pdata);
return 0;
err_remove_attr_group:
sysfs_remove_group(&spi->dev.kobj, &ads784x_attr_group);
sysfs_remove_group(&dev->kobj, &ads784x_attr_group);
err_remove_hwmon:
ads784x_hwmon_unregister(spi, ts);
err_free_irq:
......
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