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omap: Don't use gpio_free to change direction to input 

gpio_free() should not have the side effect of setting the line to input since this prevents the gpio command from being able to set a line as output.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Cc: Joe Hershberger <joe.hershberger@gmail.com>
Cc: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
This commit is contained in:
Joe Hershberger 2011-10-12 10:31:44 +00:00 committed by Albert ARIBAUD
parent 1037d585d3
commit b5db0a068a
5 changed files with 1 additions and 21 deletions
arch/arm/cpu/armv7/omap-common
gpio.c
board
logicpd/zoom2
debug_board.czoom2.c
overo
overo.c
ti/beagle
beagle.c

7
arch/arm/cpu/armv7/omap-common/gpio.c
View File

@ -237,11 +237,4 @@ int gpio_request(int gpio, const char *label)
*/
void gpio_free(unsigned gpio)
{
const struct gpio_bank *bank;
if (check_gpio(gpio) < 0)
return;
bank = get_gpio_bank(gpio);
_set_gpio_direction(bank, get_gpio_index(gpio), 1);
}

1
board/logicpd/zoom2/debug_board.c
View File

@ -40,7 +40,6 @@ static void zoom2_debug_board_detect (void)
*/
gpio_direction_input(158);
val = gpio_get_value(158);
gpio_free(158);
}
if (!val)

1
board/logicpd/zoom2/zoom2.c
View File

@ -95,7 +95,6 @@ void zoom2_identify(void)
gpio_direction_input(94);
val = gpio_get_value(94);
gpio_free(94);
if (val)
revision = ZOOM2_REVISION_BETA;

7
board/overo/overo.c
View File

@ -118,10 +118,6 @@ int get_board_revision(void)
revision = gpio_get_value(115) << 2 |
gpio_get_value(113) << 1 |
gpio_get_value(112);
gpio_free(112);
gpio_free(113);
gpio_free(115);
} else {
printf("Error: unable to acquire board revision GPIOs\n");
revision = -1;
@ -153,8 +149,7 @@ int get_sdio2_config(void)
sdio_direct = 0;
}
gpio_free(130);
gpio_free(139);
gpio_direction_input(130);
} else {
printf("Error: unable to acquire sdio2 clk GPIOs\n");
sdio_direct = -1;

6
board/ti/beagle/beagle.c
View File

@ -127,10 +127,6 @@ int get_board_revision(void)
revision = gpio_get_value(173) << 2 |
gpio_get_value(172) << 1 |
gpio_get_value(171);
gpio_free(171);
gpio_free(172);
gpio_free(173);
} else {
printf("Error: unable to acquire board revision GPIOs\n");
revision = -1;
@ -522,8 +518,6 @@ int do_userbutton(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
printf("NOT pressed.\n");
}
gpio_free(gpio);
return !button;
}