[PATCH 6/8] ARM: pxa: Use gpio arrays in vpac270_pcmcia driver
Marek Vasut
marek.vasut at gmail.com
Sat Jan 15 13:25:56 EST 2011
Use gpio_request_array() / gpio_free_array(), this makes the code
cleaner and less error prone.
Signed-off-by: Marek Vasut <marek.vasut at gmail.com>
---
drivers/pcmcia/pxa2xx_vpac270.c | 107 +++++++++++----------------------------
1 files changed, 29 insertions(+), 78 deletions(-)
diff --git a/drivers/pcmcia/pxa2xx_vpac270.c b/drivers/pcmcia/pxa2xx_vpac270.c
index 55627ec..c13f411 100644
--- a/drivers/pcmcia/pxa2xx_vpac270.c
+++ b/drivers/pcmcia/pxa2xx_vpac270.c
@@ -22,6 +22,19 @@
#include "soc_common.h"
+static struct gpio vpac270_pcmcia_gpios[] = {
+ { GPIO84_VPAC270_PCMCIA_CD, GPIOF_IN, "PCMCIA Card Detect" },
+ { GPIO35_VPAC270_PCMCIA_RDY, GPIOF_IN, "PCMCIA Ready" },
+ { GPIO107_VPAC270_PCMCIA_PPEN, GPIOF_INIT_LOW, "PCMCIA PPEN" },
+ { GPIO11_VPAC270_PCMCIA_RESET, GPIOF_INIT_LOW, "PCMCIA Reset" },
+};
+
+static struct gpio vpac270_cf_gpios[] = {
+ { GPIO17_VPAC270_CF_CD, GPIOF_IN, "CF Card Detect" },
+ { GPIO12_VPAC270_CF_RDY, GPIOF_IN, "CF Ready" },
+ { GPIO16_VPAC270_CF_RESET, GPIOF_INIT_LOW, "CF Reset" },
+};
+
static struct pcmcia_irqs cd_irqs[] = {
{
.sock = 0,
@@ -40,96 +53,34 @@ static int vpac270_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
int ret;
if (skt->nr == 0) {
- ret = gpio_request(GPIO84_VPAC270_PCMCIA_CD, "PCMCIA CD");
- if (ret)
- goto err1;
- ret = gpio_direction_input(GPIO84_VPAC270_PCMCIA_CD);
- if (ret)
- goto err2;
-
- ret = gpio_request(GPIO35_VPAC270_PCMCIA_RDY, "PCMCIA RDY");
- if (ret)
- goto err2;
- ret = gpio_direction_input(GPIO35_VPAC270_PCMCIA_RDY);
- if (ret)
- goto err3;
-
- ret = gpio_request(GPIO107_VPAC270_PCMCIA_PPEN, "PCMCIA PPEN");
- if (ret)
- goto err3;
- ret = gpio_direction_output(GPIO107_VPAC270_PCMCIA_PPEN, 0);
- if (ret)
- goto err4;
-
- ret = gpio_request(GPIO11_VPAC270_PCMCIA_RESET, "PCMCIA RESET");
- if (ret)
- goto err4;
- ret = gpio_direction_output(GPIO11_VPAC270_PCMCIA_RESET, 0);
- if (ret)
- goto err5;
+ ret = gpio_request_array(vpac270_pcmcia_gpios,
+ ARRAY_SIZE(vpac270_pcmcia_gpios));
skt->socket.pci_irq = gpio_to_irq(GPIO35_VPAC270_PCMCIA_RDY);
- return soc_pcmcia_request_irqs(skt, &cd_irqs[0], 1);
-
-err5:
- gpio_free(GPIO11_VPAC270_PCMCIA_RESET);
-err4:
- gpio_free(GPIO107_VPAC270_PCMCIA_PPEN);
-err3:
- gpio_free(GPIO35_VPAC270_PCMCIA_RDY);
-err2:
- gpio_free(GPIO84_VPAC270_PCMCIA_CD);
-err1:
- return ret;
-
+ if (!ret)
+ ret = soc_pcmcia_request_irqs(skt, &cd_irqs[0], 1);
} else {
- ret = gpio_request(GPIO17_VPAC270_CF_CD, "CF CD");
- if (ret)
- goto err6;
- ret = gpio_direction_input(GPIO17_VPAC270_CF_CD);
- if (ret)
- goto err7;
-
- ret = gpio_request(GPIO12_VPAC270_CF_RDY, "CF RDY");
- if (ret)
- goto err7;
- ret = gpio_direction_input(GPIO12_VPAC270_CF_RDY);
- if (ret)
- goto err8;
-
- ret = gpio_request(GPIO16_VPAC270_CF_RESET, "CF RESET");
- if (ret)
- goto err8;
- ret = gpio_direction_output(GPIO16_VPAC270_CF_RESET, 0);
- if (ret)
- goto err9;
+ ret = gpio_request_array(vpac270_cf_gpios,
+ ARRAY_SIZE(vpac270_cf_gpios));
skt->socket.pci_irq = gpio_to_irq(GPIO12_VPAC270_CF_RDY);
- return soc_pcmcia_request_irqs(skt, &cd_irqs[1], 1);
-
-err9:
- gpio_free(GPIO16_VPAC270_CF_RESET);
-err8:
- gpio_free(GPIO12_VPAC270_CF_RDY);
-err7:
- gpio_free(GPIO17_VPAC270_CF_CD);
-err6:
- return ret;
-
+ if (!ret)
+ ret = soc_pcmcia_request_irqs(skt, &cd_irqs[1], 1);
}
+
+ return ret;
}
static void vpac270_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
{
- gpio_free(GPIO11_VPAC270_PCMCIA_RESET);
- gpio_free(GPIO107_VPAC270_PCMCIA_PPEN);
- gpio_free(GPIO35_VPAC270_PCMCIA_RDY);
- gpio_free(GPIO84_VPAC270_PCMCIA_CD);
- gpio_free(GPIO16_VPAC270_CF_RESET);
- gpio_free(GPIO12_VPAC270_CF_RDY);
- gpio_free(GPIO17_VPAC270_CF_CD);
+ if (skt->nr == 0)
+ gpio_request_array(vpac270_pcmcia_gpios,
+ ARRAY_SIZE(vpac270_pcmcia_gpios));
+ else
+ gpio_request_array(vpac270_cf_gpios,
+ ARRAY_SIZE(vpac270_cf_gpios));
}
static void vpac270_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
--
1.7.2.3
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