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authorMarek Vasut <marek.vasut@gmail.com>2011-01-15 20:49:07 +0300
committerEric Miao <eric.y.miao@gmail.com>2011-03-16 11:32:46 +0300
commit2070417dffa9e75b370a5c0dee8c5dc3605e1c4d (patch)
tree071b80a35bcb34b8c5eeb4a5234297f4cc1f8415 /drivers/pcmcia/pxa2xx_palmld.c
parente593106ca409e5e37d18121d922fc4f449c60d41 (diff)
downloadlinux-2070417dffa9e75b370a5c0dee8c5dc3605e1c4d.tar.xz
ARM: pxa: Use gpio arrays in palmld_pcmcia driver
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>
Diffstat (limited to 'drivers/pcmcia/pxa2xx_palmld.c')
-rw-r--r--drivers/pcmcia/pxa2xx_palmld.c40
1 files changed, 9 insertions, 31 deletions
diff --git a/drivers/pcmcia/pxa2xx_palmld.c b/drivers/pcmcia/pxa2xx_palmld.c
index 6fb6f7f0672e..59f84053ebf9 100644
--- a/drivers/pcmcia/pxa2xx_palmld.c
+++ b/drivers/pcmcia/pxa2xx_palmld.c
@@ -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,