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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2023-01-16 14:47:02 +0200 |
|---|---|---|
| committer | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-01-30 15:55:30 +0100 |
| commit | 91a0192e90e9df40d4b63c4ce11126114ed5d79d (patch) | |
| tree | dcd1f32265731a77204013520dc844ecb729f226 /drivers/gpio/gpio-pcf857x.c | |
| parent | b0047b90db71d0d555d645745b40f0170e5ff4c7 (diff) | |
| download | linux-stable-91a0192e90e9df40d4b63c4ce11126114ed5d79d.tar.gz linux-stable-91a0192e90e9df40d4b63c4ce11126114ed5d79d.tar.bz2 linux-stable-91a0192e90e9df40d4b63c4ce11126114ed5d79d.zip | |
gpio: pcf857x: Get rid of legacy platform data
Platform data is a legacy interface to supply device properties
to the driver. In this case we don't have in-kernel users for it.
Moreover it uses plain GPIO numbers which is no-no for a new code.
Just remove it for good.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-pcf857x.c')
| -rw-r--r-- | drivers/gpio/gpio-pcf857x.c | 34 |
1 files changed, 2 insertions, 32 deletions
diff --git a/drivers/gpio/gpio-pcf857x.c b/drivers/gpio/gpio-pcf857x.c index d9db878802b7..dfa15444a24a 100644 --- a/drivers/gpio/gpio-pcf857x.c +++ b/drivers/gpio/gpio-pcf857x.c @@ -7,7 +7,6 @@ #include <linux/gpio/driver.h> #include <linux/i2c.h> -#include <linux/platform_data/pcf857x.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/irqdomain.h> @@ -18,7 +17,6 @@ #include <linux/slab.h> #include <linux/spinlock.h> - static const struct i2c_device_id pcf857x_id[] = { { "pcf8574", 8 }, { "pcf8574a", 8 }, @@ -277,18 +275,12 @@ static const struct irq_chip pcf857x_irq_chip = { static int pcf857x_probe(struct i2c_client *client) { const struct i2c_device_id *id = i2c_client_get_device_id(client); - struct pcf857x_platform_data *pdata = dev_get_platdata(&client->dev); struct device_node *np = client->dev.of_node; struct pcf857x *gpio; unsigned int n_latch = 0; int status; - if (IS_ENABLED(CONFIG_OF) && np) - of_property_read_u32(np, "lines-initial-states", &n_latch); - else if (pdata) - n_latch = pdata->n_latch; - else - dev_dbg(&client->dev, "no platform data\n"); + of_property_read_u32(np, "lines-initial-states", &n_latch); /* Allocate, initialize, and register this gpio_chip. */ gpio = devm_kzalloc(&client->dev, sizeof(*gpio), GFP_KERNEL); @@ -297,7 +289,7 @@ static int pcf857x_probe(struct i2c_client *client) mutex_init(&gpio->lock); - gpio->chip.base = pdata ? pdata->gpio_base : -1; + gpio->chip.base = -1; gpio->chip.can_sleep = true; gpio->chip.parent = &client->dev; gpio->chip.owner = THIS_MODULE; @@ -406,17 +398,6 @@ static int pcf857x_probe(struct i2c_client *client) if (status < 0) goto fail; - /* Let platform code set up the GPIOs and their users. - * Now is the first time anyone could use them. - */ - if (pdata && pdata->setup) { - status = pdata->setup(client, - gpio->chip.base, gpio->chip.ngpio, - pdata->context); - if (status < 0) - dev_warn(&client->dev, "setup --> %d\n", status); - } - dev_info(&client->dev, "probed\n"); return 0; @@ -428,16 +409,6 @@ fail: return status; } -static void pcf857x_remove(struct i2c_client *client) -{ - struct pcf857x_platform_data *pdata = dev_get_platdata(&client->dev); - struct pcf857x *gpio = i2c_get_clientdata(client); - - if (pdata && pdata->teardown) - pdata->teardown(client, gpio->chip.base, gpio->chip.ngpio, - pdata->context); -} - static void pcf857x_shutdown(struct i2c_client *client) { struct pcf857x *gpio = i2c_get_clientdata(client); @@ -452,7 +423,6 @@ static struct i2c_driver pcf857x_driver = { .of_match_table = of_match_ptr(pcf857x_of_table), }, .probe_new = pcf857x_probe, - .remove = pcf857x_remove, .shutdown = pcf857x_shutdown, .id_table = pcf857x_id, }; |