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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2023-07-03 20:52:16 +0200
committerBenjamin Tissoires <bentiss@kernel.org>2023-07-28 17:05:48 +0200
commitff3b9e4926b2e7eafbfdccf01e0f811898758b54 (patch)
tree310831eaa5c41d4f9a37984794a04fe6c094e1fe /drivers/hid
parentHID: cp2112: Don't call ->to_irq() explicitly (diff)
downloadlinux-ff3b9e4926b2e7eafbfdccf01e0f811898758b54.tar.xz
linux-ff3b9e4926b2e7eafbfdccf01e0f811898758b54.zip
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')
-rw-r--r--drivers/hid/hid-cp2112.c54
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