diff options
| -rw-r--r-- | io-module/mts_io.c | 36 |
1 files changed, 16 insertions, 20 deletions
diff --git a/io-module/mts_io.c b/io-module/mts_io.c index e93020f..f8637ba 100644 --- a/io-module/mts_io.c +++ b/io-module/mts_io.c @@ -1,5 +1,5 @@ /* - * IO Controller for the MTCDP Platform + * MTCDP IO Controller * * Copyright (C) 2010 by Multi-Tech Systems * @@ -20,11 +20,7 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ -/* - * See arch/arm/mach-at91board-sam9g20ek.c for an alternate approach to - * setting LEDs (ek_leds) and adding platform devices and platform drivers. - * - */ + #include <linux/delay.h> #include <linux/ioctl.h> #include <linux/input.h> @@ -45,7 +41,7 @@ #define DRIVER_VERSION "v0.2.0" #define DRIVER_AUTHOR "James Maki <jmaki@multitech.com>" -#define DRIVER_DESC "IO Controller for the MTCDP Platform" +#define DRIVER_DESC "MTCDP IO Controller" #define DRIVER_NAME "mts-io" #define PLATFORM_NAME "mtcdp" @@ -1004,7 +1000,7 @@ enum { DIR_OUTPUT, }; -struct gpio_pin_init { +struct gpio_pin_info { char name[32]; unsigned long pin; int direction; @@ -1013,7 +1009,7 @@ struct gpio_pin_init { int board_rev_added; }; -static struct gpio_pin_init init_pins[] = { +static struct gpio_pin_info gpio_pins[] = { /* * GPIO_{VER0,VER1} need to be first in the list. */ @@ -1271,16 +1267,16 @@ static int __init mts_io_init(void) goto error3; } - for (i = 0; i < ARRAY_SIZE(init_pins); i++) { - gpio_request(init_pins[i].pin, init_pins[i].name); + for (i = 0; i < ARRAY_SIZE(gpio_pins); i++) { + gpio_request(gpio_pins[i].pin, gpio_pins[i].name); - if (board_rev >= init_pins[i].board_rev_added) { - if (init_pins[i].direction == DIR_OUTPUT) { - at91_set_gpio_output(init_pins[i].pin, - init_pins[i].output_value); + if (board_rev >= gpio_pins[i].board_rev_added) { + if (gpio_pins[i].direction == DIR_OUTPUT) { + at91_set_gpio_output(gpio_pins[i].pin, + gpio_pins[i].output_value); } else { - at91_set_gpio_input(init_pins[i].pin, - init_pins[i].use_pullup); + at91_set_gpio_input(gpio_pins[i].pin, + gpio_pins[i].use_pullup); } } @@ -1335,9 +1331,9 @@ static void __exit mts_io_exit(void) spi_unregister_driver(&mts_spi_board_temp_driver); spi_unregister_driver(&mts_spi_sregout_driver); - if (board_rev >= init_pins[i].board_rev_added) { - for (i = 0; i < ARRAY_SIZE(init_pins); i++) { - at91_set_gpio_input(init_pins[i].pin, init_pins[i].use_pullup); + if (board_rev >= gpio_pins[i].board_rev_added) { + for (i = 0; i < ARRAY_SIZE(gpio_pins); i++) { + at91_set_gpio_input(gpio_pins[i].pin, gpio_pins[i].use_pullup); } } |