FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2024-12-15 13:22:55 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

ARM: pxa: Use gpio arrays in palmld_pcmcia driver

Browse Source 
Use gpio_request_array() / gpio_free_array(), this makes the code
cleaner and less error prone.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
This commit is contained in:
Marek Vasut 2011-01-15 18:49:07 +01:00 committed by Eric Miao
parent e593106ca4
commit 2070417dff
1 changed files with 9 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
drivers/pcmcia/pxa2xx_palmld.c
View File

@ -20,49 +20,27 @@
#include <mach/palmld.h>
#include "soc_common.h"
static struct gpio palmld_pcmcia_gpios[] = {
{ GPIO_NR_PALMLD_PCMCIA_POWER, GPIOF_INIT_LOW, "PCMCIA Power" },
{ GPIO_NR_PALMLD_PCMCIA_RESET, GPIOF_INIT_HIGH,"PCMCIA Reset" },
{ GPIO_NR_PALMLD_PCMCIA_READY, GPIOF_IN, "PCMCIA Ready" },
};
static int palmld_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
{
int ret;
ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_POWER, "PCMCIA PWR");
if (ret)
goto err1;
ret = gpio_direction_output(GPIO_NR_PALMLD_PCMCIA_POWER, 0);
if (ret)
goto err2;
ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_RESET, "PCMCIA RST");
if (ret)
goto err2;
ret = gpio_direction_output(GPIO_NR_PALMLD_PCMCIA_RESET, 1);
if (ret)
goto err3;
ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_READY, "PCMCIA RDY");
if (ret)
goto err3;
ret = gpio_direction_input(GPIO_NR_PALMLD_PCMCIA_READY);
if (ret)
goto err4;
ret = gpio_request_array(palmld_pcmcia_gpios,
ARRAY_SIZE(palmld_pcmcia_gpios));
skt->socket.pci_irq = IRQ_GPIO(GPIO_NR_PALMLD_PCMCIA_READY);
return 0;
err4:
gpio_free(GPIO_NR_PALMLD_PCMCIA_READY);
err3:
gpio_free(GPIO_NR_PALMLD_PCMCIA_RESET);
err2:
gpio_free(GPIO_NR_PALMLD_PCMCIA_POWER);
err1:
return ret;
}
static void palmld_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
{
gpio_free(GPIO_NR_PALMLD_PCMCIA_READY);
gpio_free(GPIO_NR_PALMLD_PCMCIA_RESET);
gpio_free(GPIO_NR_PALMLD_PCMCIA_POWER);
gpio_free_array(palmld_pcmcia_gpios, ARRAY_SIZE(palmld_pcmcia_gpios));
}
static void palmld_pcmcia_socket_state(struct soc_pcmcia_socket *skt,