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authorRussell King - ARM Linux <linux@arm.linux.org.uk>2009-03-29 22:42:44 +0400
committerDominik Brodowski <linux@dominikbrodowski.net>2009-11-09 10:30:11 +0300
commit701a5dc05ad99a06958b3f97cb69d99b47cebee3 (patch)
treef91ab0cb2179fa771dfb3c9929bc09c7580ec3f8 /drivers/pcmcia/sa1111_generic.c
parentda4f007375197d6683461b995d404b01a7fdf2f5 (diff)
downloadlinux-701a5dc05ad99a06958b3f97cb69d99b47cebee3.tar.xz
PCMCIA: sa1111: wrap soc_pcmcia_socket to contain sa1111 specific data
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'drivers/pcmcia/sa1111_generic.c')
-rw-r--r--drivers/pcmcia/sa1111_generic.c58
1 files changed, 45 insertions, 13 deletions
diff --git a/drivers/pcmcia/sa1111_generic.c b/drivers/pcmcia/sa1111_generic.c
index a6793e30cf71..98c791537cac 100644
--- a/drivers/pcmcia/sa1111_generic.c
+++ b/drivers/pcmcia/sa1111_generic.c
@@ -30,9 +30,6 @@ static struct pcmcia_irqs irqs[] = {
int sa1111_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
{
- if (skt->irq == NO_IRQ)
- skt->irq = skt->nr ? IRQ_S1_READY_NINT : IRQ_S0_READY_NINT;
-
return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
}
@@ -43,8 +40,8 @@ void sa1111_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
void sa1111_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state)
{
- struct sa1111_dev *sadev = SA1111_DEV(skt->dev);
- unsigned long status = sa1111_readl(sadev->mapbase + SA1111_PCSR);
+ struct sa1111_pcmcia_socket *s = to_skt(skt);
+ unsigned long status = sa1111_readl(s->dev->mapbase + SA1111_PCSR);
switch (skt->nr) {
case 0:
@@ -71,7 +68,7 @@ void sa1111_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_sta
int sa1111_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_t *state)
{
- struct sa1111_dev *sadev = SA1111_DEV(skt->dev);
+ struct sa1111_pcmcia_socket *s = to_skt(skt);
unsigned int pccr_skt_mask, pccr_set_mask, val;
unsigned long flags;
@@ -100,10 +97,10 @@ int sa1111_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_s
pccr_set_mask |= PCCR_S0_FLT|PCCR_S1_FLT;
local_irq_save(flags);
- val = sa1111_readl(sadev->mapbase + SA1111_PCCR);
+ val = sa1111_readl(s->dev->mapbase + SA1111_PCCR);
val &= ~pccr_skt_mask;
val |= pccr_set_mask & pccr_skt_mask;
- sa1111_writel(val, sadev->mapbase + SA1111_PCCR);
+ sa1111_writel(val, s->dev->mapbase + SA1111_PCCR);
local_irq_restore(flags);
return 0;
@@ -119,10 +116,45 @@ void sa1111_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
soc_pcmcia_disable_irqs(skt, irqs, ARRAY_SIZE(irqs));
}
+int sa1111_pcmcia_add(struct sa1111_dev *dev, struct pcmcia_low_level *ops,
+ int (*add)(struct soc_pcmcia_socket *))
+{
+ struct sa1111_pcmcia_socket *s;
+ int i, ret = 0;
+
+ s = kzalloc(sizeof(*s) * ops->nr, GFP_KERNEL);
+ if (!s)
+ return -ENODEV;
+
+ for (i = 0; i < ops->nr; i++) {
+ s = kzalloc(sizeof(*s), GFP_KERNEL);
+ if (!s)
+ return -ENOMEM;
+
+ s->soc.nr = ops->first + i;
+ s->soc.irq = s->soc.nr ? IRQ_S1_READY_NINT : IRQ_S0_READY_NINT;
+ s->soc.ops = ops;
+ s->soc.socket.owner = ops->owner;
+ s->soc.socket.dev.parent = &dev->dev;
+ s->dev = dev;
+
+ ret = add(&s->soc);
+ if (ret == 0) {
+ s->next = dev_get_drvdata(&dev->dev);
+ dev_set_drvdata(&dev->dev, s);
+ } else
+ kfree(s);
+ }
+
+ return ret;
+}
+
static int pcmcia_probe(struct sa1111_dev *dev)
{
void __iomem *base;
+ dev_set_drvdata(&dev->dev, NULL);
+
if (!request_mem_region(dev->res.start, 512,
SA1111_DRIVER_NAME(dev)))
return -EBUSY;
@@ -152,15 +184,15 @@ static int pcmcia_probe(struct sa1111_dev *dev)
static int __devexit pcmcia_remove(struct sa1111_dev *dev)
{
- struct skt_dev_info *sinfo = dev_get_drvdata(&dev->dev);
- int i;
+ struct sa1111_pcmcia_socket *next, *s = dev_get_drvdata(&dev->dev);
dev_set_drvdata(&dev->dev, NULL);
- for (i = 0; i < sinfo->nskt; i++)
- soc_pcmcia_remove_one(&sinfo->skt[i]);
+ for (; next = s->next, s; s = next) {
+ soc_pcmcia_remove_one(&s->soc);
+ kfree(s);
+ }
- kfree(sinfo);
release_mem_region(dev->res.start, 512);
return 0;
}