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authorKomuro <komurojun-mbn@nifty.com>2008-11-03 10:56:04 +0900
committerJeff Garzik <jgarzik@redhat.com>2008-11-07 03:21:10 -0500
commita8272061fe533f6d0261b38c58c93bd0855baebe (patch)
treee24d9f60cc726dd9ea1316ddae0b826c1279b07c
parentfd9abb3d97c2ab883e4732ec1214fe64190236e7 (diff)
fmvj18x_cs: write interrupt ack bit for lan and modem to work simultaneously.
Write interrupt ack bit in fjn_interrupt for lan and modem to work simultaneously. Signed-off-by: Komuro <komurojun-mbn@nifty.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
-rw-r--r--drivers/net/pcmcia/fmvj18x_cs.c73
1 files changed, 54 insertions, 19 deletions
diff --git a/drivers/net/pcmcia/fmvj18x_cs.c b/drivers/net/pcmcia/fmvj18x_cs.c
index e4f8fe3c5da..69dcfbbabe8 100644
--- a/drivers/net/pcmcia/fmvj18x_cs.c
+++ b/drivers/net/pcmcia/fmvj18x_cs.c
@@ -125,6 +125,7 @@ typedef struct local_info_t {
u_short tx_queue_len;
cardtype_t cardtype;
u_short sent;
+ u_char __iomem *base;
} local_info_t;
#define MC_FILTERBREAK 64
@@ -242,6 +243,7 @@ static int fmvj18x_probe(struct pcmcia_device *link)
lp = netdev_priv(dev);
link->priv = dev;
lp->p_dev = link;
+ lp->base = NULL;
/* The io structure describes IO port mapping */
link->io.NumPorts1 = 32;
@@ -442,8 +444,10 @@ static int fmvj18x_config(struct pcmcia_device *link)
dev->irq = link->irq.AssignedIRQ;
dev->base_addr = link->io.BasePort1;
- if (link->io.BasePort2 != 0)
- fmvj18x_setup_mfc(link);
+ if (link->io.BasePort2 != 0) {
+ ret = fmvj18x_setup_mfc(link);
+ if (ret != 0) goto failed;
+ }
ioaddr = dev->base_addr;
@@ -610,10 +614,10 @@ static int fmvj18x_setup_mfc(struct pcmcia_device *link)
{
win_req_t req;
memreq_t mem;
- u_char __iomem *base;
- int i, j;
+ int i;
struct net_device *dev = link->priv;
unsigned int ioaddr;
+ local_info_t *lp = netdev_priv(dev);
/* Allocate a small memory window */
req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
@@ -625,25 +629,32 @@ static int fmvj18x_setup_mfc(struct pcmcia_device *link)
return -1;
}
- base = ioremap(req.Base, req.Size);
+ lp->base = ioremap(req.Base, req.Size);
+ if (lp->base == NULL) {
+ printk(KERN_NOTICE "fmvj18x_cs: ioremap failed\n");
+ return -1;
+ }
+
mem.Page = 0;
mem.CardOffset = 0;
- pcmcia_map_mem_page(link->win, &mem);
-
+ i = pcmcia_map_mem_page(link->win, &mem);
+ if (i != 0) {
+ iounmap(lp->base);
+ lp->base = NULL;
+ cs_error(link, MapMemPage, i);
+ return -1;
+ }
+
ioaddr = dev->base_addr;
- writeb(0x47, base+0x800); /* Config Option Register of LAN */
- writeb(0x0, base+0x802); /* Config and Status Register */
+ writeb(0x47, lp->base+0x800); /* Config Option Register of LAN */
+ writeb(0x0, lp->base+0x802); /* Config and Status Register */
- writeb(ioaddr & 0xff, base+0x80a); /* I/O Base(Low) of LAN */
- writeb((ioaddr >> 8) & 0xff, base+0x80c); /* I/O Base(High) of LAN */
+ writeb(ioaddr & 0xff, lp->base+0x80a); /* I/O Base(Low) of LAN */
+ writeb((ioaddr >> 8) & 0xff, lp->base+0x80c); /* I/O Base(High) of LAN */
- writeb(0x45, base+0x820); /* Config Option Register of Modem */
- writeb(0x8, base+0x822); /* Config and Status Register */
+ writeb(0x45, lp->base+0x820); /* Config Option Register of Modem */
+ writeb(0x8, lp->base+0x822); /* Config and Status Register */
- iounmap(base);
- j = pcmcia_release_window(link->win);
- if (j != 0)
- cs_error(link, ReleaseWindow, j);
return 0;
}
@@ -651,8 +662,25 @@ static int fmvj18x_setup_mfc(struct pcmcia_device *link)
static void fmvj18x_release(struct pcmcia_device *link)
{
- DEBUG(0, "fmvj18x_release(0x%p)\n", link);
- pcmcia_disable_device(link);
+
+ struct net_device *dev = link->priv;
+ local_info_t *lp = netdev_priv(dev);
+ u_char __iomem *tmp;
+ int j;
+
+ DEBUG(0, "fmvj18x_release(0x%p)\n", link);
+
+ if (lp->base != NULL) {
+ tmp = lp->base;
+ lp->base = NULL; /* set NULL before iounmap */
+ iounmap(tmp);
+ j = pcmcia_release_window(link->win);
+ if (j != 0)
+ cs_error(link, ReleaseWindow, j);
+ }
+
+ pcmcia_disable_device(link);
+
}
static int fmvj18x_suspend(struct pcmcia_device *link)
@@ -783,6 +811,13 @@ static irqreturn_t fjn_interrupt(int dummy, void *dev_id)
outb(D_TX_INTR, ioaddr + TX_INTR);
outb(D_RX_INTR, ioaddr + RX_INTR);
+
+ if (lp->base != NULL) {
+ /* Ack interrupt for multifunction card */
+ writeb(0x01, lp->base+0x802);
+ writeb(0x09, lp->base+0x822);
+ }
+
return IRQ_HANDLED;
} /* fjn_interrupt */