arch/arm/mach-s3c/gpio-cfg-helpers.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright 2008 Openmoko, Inc.
   4  * Copyright 2008 Simtec Electronics
   5  *      http://armlinux.simtec.co.uk/
   6  *      Ben Dooks <ben@simtec.co.uk>
   7  *
   8  * Samsung Platform - GPIO pin configuration helper definitions
   9  */
  10
  11 /* This is meant for core cpu support, machine or other driver files
  12  * should not be including this header.
  13  */
  14
  15 #ifndef __PLAT_GPIO_CFG_HELPERS_H
  16 #define __PLAT_GPIO_CFG_HELPERS_H __FILE__
  17
  18 /* As a note, all gpio configuration functions are entered exclusively, either
  19  * with the relevant lock held or the system prevented from doing anything else
  20  * by disabling interrupts.
  21 */
  22
  23 static inline int samsung_gpio_do_setcfg(struct samsung_gpio_chip *chip,
  24                                          unsigned int off, unsigned int config)
  25 {
  26         return (chip->config->set_config)(chip, off, config);
  27 }
  28
  29 static inline int samsung_gpio_do_setpull(struct samsung_gpio_chip *chip,
  30                                           unsigned int off, samsung_gpio_pull_t pull)
  31 {
  32         return (chip->config->set_pull)(chip, off, pull);
  33 }
  34
  35 #endif /* __PLAT_GPIO_CFG_HELPERS_H */