diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2023-07-03 21:52:16 +0300 |
|---|---|---|
| committer | Benjamin Tissoires <bentiss@kernel.org> | 2023-07-28 18:05:48 +0300 |
| commit | ff3b9e4926b2e7eafbfdccf01e0f811898758b54 (patch) | |
| tree | 310831eaa5c41d4f9a37984794a04fe6c094e1fe /drivers/hid/hid-cp2112.c | |
| parent | b5ac00880a57273ed4d8ba6d37c91c1fd261b191 (diff) | |
| download | linux-ff3b9e4926b2e7eafbfdccf01e0f811898758b54.tar.xz | |
HID: cp2112: Remove dead code
Remove cp2112_allocate_irq() and counterparts that seems to be
a dead code from day 1. In case somebody needs it, it can be
retrieved from Git index.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230703185222.50554-7-andriy.shevchenko@linux.intel.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Diffstat (limited to 'drivers/hid/hid-cp2112.c')
| -rw-r--r-- | drivers/hid/hid-cp2112.c | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c index 15b626359281..45cd0d2fd3fd 100644 --- a/drivers/hid/hid-cp2112.c +++ b/drivers/hid/hid-cp2112.c @@ -17,8 +17,6 @@ */ #include <linux/bitops.h> -#include <linux/gpio/consumer.h> -#include <linux/gpio/machine.h> #include <linux/gpio/driver.h> #include <linux/hid.h> #include <linux/hidraw.h> @@ -168,7 +166,6 @@ struct cp2112_device { u8 *in_out_buffer; struct mutex lock; - struct gpio_desc *desc[8]; bool gpio_poll; struct delayed_work gpio_poll_worker; unsigned long irq_mask; @@ -1181,51 +1178,6 @@ static int cp2112_gpio_irq_type(struct irq_data *d, unsigned int type) return 0; } -static int __maybe_unused cp2112_allocate_irq(struct cp2112_device *dev, - int pin) -{ - int ret; - - if (dev->desc[pin]) - return -EINVAL; - - dev->desc[pin] = gpiochip_request_own_desc(&dev->gc, pin, - "HID/I2C:Event", - GPIO_ACTIVE_HIGH, - GPIOD_IN); - if (IS_ERR(dev->desc[pin])) { - dev_err(dev->gc.parent, "Failed to request GPIO\n"); - return PTR_ERR(dev->desc[pin]); - } - - ret = cp2112_gpio_direction_input(&dev->gc, pin); - if (ret < 0) { - dev_err(dev->gc.parent, "Failed to set GPIO to input dir\n"); - goto err_desc; - } - - ret = gpiochip_lock_as_irq(&dev->gc, pin); - if (ret) { - dev_err(dev->gc.parent, "Failed to lock GPIO as interrupt\n"); - goto err_desc; - } - - ret = gpiod_to_irq(dev->desc[pin]); - if (ret < 0) { - dev_err(dev->gc.parent, "Failed to translate GPIO to IRQ\n"); - goto err_lock; - } - - return ret; - -err_lock: - gpiochip_unlock_as_irq(&dev->gc, pin); -err_desc: - gpiochip_free_own_desc(dev->desc[pin]); - dev->desc[pin] = NULL; - return ret; -} - static const struct irq_chip cp2112_gpio_irqchip = { .name = "cp2112-gpio", .irq_startup = cp2112_gpio_irq_startup, @@ -1390,7 +1342,6 @@ err_hid_stop: static void cp2112_remove(struct hid_device *hdev) { struct cp2112_device *dev = hid_get_drvdata(hdev); - int i; sysfs_remove_group(&hdev->dev.kobj, &cp2112_attr_group); i2c_del_adapter(&dev->adap); @@ -1400,11 +1351,6 @@ static void cp2112_remove(struct hid_device *hdev) cancel_delayed_work_sync(&dev->gpio_poll_worker); } - for (i = 0; i < ARRAY_SIZE(dev->desc); i++) { - gpiochip_unlock_as_irq(&dev->gc, i); - gpiochip_free_own_desc(dev->desc[i]); - } - gpiochip_remove(&dev->gc); /* i2c_del_adapter has finished removing all i2c devices from our * adapter. Well behaved devices should no longer call our cp2112_xfer |