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authorRussell King <rmk+kernel@arm.linux.org.uk>2012-01-13 23:06:48 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-02-21 14:27:03 +0000
commitb1d8a5f91796179f33de9cd7fb26052fcc47b4fa (patch)
tree0829a261bc6c30993f81fd9df9a78c10ff729cd7 /drivers/pcmcia
parent3b61436a792517848ee386bd2ccf4fc3a75f1a0f (diff)
downloadlinux-b1d8a5f91796179f33de9cd7fb26052fcc47b4fa.tar.gz
PCMCIA: sa11x0: simpad: convert to use new irq/gpio management
Convert Simpad socket driver to use the new irq/gpio management. This is slightly more involved because we have to touch the private platform header file to modify the GPIO bitmasks to be GPIO numbers. Acked-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/pcmcia')
-rw-r--r--drivers/pcmcia/sa1100_simpad.c26
1 files changed, 8 insertions, 18 deletions
diff --git a/drivers/pcmcia/sa1100_simpad.c b/drivers/pcmcia/sa1100_simpad.c
index 0fac9658b02..39d2241b9d8 100644
--- a/drivers/pcmcia/sa1100_simpad.c
+++ b/drivers/pcmcia/sa1100_simpad.c
@@ -15,24 +15,21 @@
#include <mach/simpad.h>
#include "sa1100_generic.h"
-static struct pcmcia_irqs irqs[] = {
- { 1, IRQ_GPIO_CF_CD, "CF_CD" },
-};
-
static int simpad_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
{
simpad_clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1);
- skt->socket.pci_irq = IRQ_GPIO_CF_IRQ;
+ skt->stat[SOC_STAT_CD].gpio = GPIO_CF_CD;
+ skt->stat[SOC_STAT_CD].name = "CF_CD";
+ skt->stat[SOC_STAT_RDY].gpio = GPIO_CF_IRQ;
+ skt->stat[SOC_STAT_RDY].name = "CF_RDY";
- return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
+ return 0;
}
static void simpad_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
{
- soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs));
-
/* Disable CF bus: */
/*simpad_set_cs3_bit(PCMCIA_BUFF_DIS);*/
simpad_clear_cs3_bit(PCMCIA_RESET);
@@ -42,11 +39,11 @@ static void
simpad_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
struct pcmcia_state *state)
{
- unsigned long levels = GPLR;
long cs3reg = simpad_get_cs3_ro();
- state->detect=((levels & GPIO_CF_CD)==0)?1:0;
- state->ready=(levels & GPIO_CF_IRQ)?1:0;
+ /* the detect signal is inverted - fix that up here */
+ state->detect = !state->detect;
+
state->bvd1 = 1; /* Might be cs3reg & PCMCIA_BVD1 */
state->bvd2 = 1; /* Might be cs3reg & PCMCIA_BVD2 */
state->wrprot=0; /* Not available on Simpad. */
@@ -99,14 +96,8 @@ simpad_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
return 0;
}
-static void simpad_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
-{
- soc_pcmcia_enable_irqs(skt, irqs, ARRAY_SIZE(irqs));
-}
-
static void simpad_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
{
- soc_pcmcia_disable_irqs(skt, irqs, ARRAY_SIZE(irqs));
simpad_set_cs3_bit(PCMCIA_RESET);
}
@@ -116,7 +107,6 @@ static struct pcmcia_low_level simpad_pcmcia_ops = {
.hw_shutdown = simpad_pcmcia_hw_shutdown,
.socket_state = simpad_pcmcia_socket_state,
.configure_socket = simpad_pcmcia_configure_socket,
- .socket_init = simpad_pcmcia_socket_init,
.socket_suspend = simpad_pcmcia_socket_suspend,
};