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
   7 const struct gpio_operations *dev_get_gpio_ops(struct device *dev)
   8 {
   9         if (!dev) {
  10                 printk(BIOS_ERR, "Could not get gpio operations, device is NULL.");
  11                 return NULL;
  12         } else if (!dev->ops) {
  13                 printk(BIOS_ERR, "Could not get gpio operations, dev->ops is NULL.");
  14                 return NULL;
  15         } else if (!dev->ops->ops_gpio) {
  16                 printk(BIOS_ERR, "Could not get gpio operations, ops_gpio is NULL.");
  17                 return NULL;
  18         }
  19
  20         return dev->ops->ops_gpio;
  21 }