src/device/gpio.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <console/console.h>
   4 #include <device/device.h>
   5 #include <device/gpio.h>
   6 #include <stddef.h>
   7
   8 const struct gpio_operations *dev_get_gpio_ops(struct device *dev)
   9 {
  10         if (!dev) {
  11                 printk(BIOS_ERR, "Could not get gpio operations, device is NULL.");
  12                 return NULL;
  13         } else if (!dev->ops) {
  14                 printk(BIOS_ERR, "Could not get gpio operations, dev->ops is NULL.");
  15                 return NULL;
  16         } else if (!dev->ops->ops_gpio) {
  17                 printk(BIOS_ERR, "Could not get gpio operations, ops_gpio is NULL.");
  18                 return NULL;
  19         }
  20
  21         return dev->ops->ops_gpio;
  22 }