summaryrefslogtreecommitdiffstats
path: root/drivers/pcmcia
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pcmcia')
-rw-r--r--drivers/pcmcia/au1000_generic.c1
-rw-r--r--drivers/pcmcia/cistpl.c51
-rw-r--r--drivers/pcmcia/ds.c6
-rw-r--r--drivers/pcmcia/o2micro.h34
-rw-r--r--drivers/pcmcia/pcmcia_resource.c3
-rw-r--r--drivers/pcmcia/yenta_socket.c18
6 files changed, 71 insertions, 42 deletions
diff --git a/drivers/pcmcia/au1000_generic.c b/drivers/pcmcia/au1000_generic.c
index 0a5c95807cf2..470ef756252e 100644
--- a/drivers/pcmcia/au1000_generic.c
+++ b/drivers/pcmcia/au1000_generic.c
@@ -388,6 +388,7 @@ int au1x00_pcmcia_socket_probe(struct device *dev, struct pcmcia_low_level *ops,
struct au1000_pcmcia_socket *skt = PCMCIA_SOCKET(i);
memset(skt, 0, sizeof(*skt));
+ skt->socket.resource_ops = &pccard_static_ops;
skt->socket.ops = &au1x00_pcmcia_operations;
skt->socket.owner = ops->owner;
skt->socket.dev.dev = dev;
diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c
index dd7651ff5b43..3afb682255a0 100644
--- a/drivers/pcmcia/cistpl.c
+++ b/drivers/pcmcia/cistpl.c
@@ -88,31 +88,38 @@ EXPORT_SYMBOL(release_cis_mem);
static void __iomem *
set_cis_map(struct pcmcia_socket *s, unsigned int card_offset, unsigned int flags)
{
- pccard_mem_map *mem = &s->cis_mem;
- int ret;
+ pccard_mem_map *mem = &s->cis_mem;
+ int ret;
+
+ if (!(s->features & SS_CAP_STATIC_MAP) && (mem->res == NULL)) {
+ mem->res = pcmcia_find_mem_region(0, s->map_size, s->map_size, 0, s);
+ if (mem->res == NULL) {
+ printk(KERN_NOTICE "cs: unable to map card memory!\n");
+ return NULL;
+ }
+ s->cis_virt = NULL;
+ }
- if (!(s->features & SS_CAP_STATIC_MAP) && mem->res == NULL) {
- mem->res = pcmcia_find_mem_region(0, s->map_size, s->map_size, 0, s);
- if (mem->res == NULL) {
- printk(KERN_NOTICE "cs: unable to map card memory!\n");
- return NULL;
+ if (!(s->features & SS_CAP_STATIC_MAP) && (!s->cis_virt))
+ s->cis_virt = ioremap(mem->res->start, s->map_size);
+
+ mem->card_start = card_offset;
+ mem->flags = flags;
+
+ ret = s->ops->set_mem_map(s, mem);
+ if (ret) {
+ iounmap(s->cis_virt);
+ s->cis_virt = NULL;
+ return NULL;
}
- s->cis_virt = ioremap(mem->res->start, s->map_size);
- }
- mem->card_start = card_offset;
- mem->flags = flags;
- ret = s->ops->set_mem_map(s, mem);
- if (ret) {
- iounmap(s->cis_virt);
- return NULL;
- }
- if (s->features & SS_CAP_STATIC_MAP) {
- if (s->cis_virt)
- iounmap(s->cis_virt);
- s->cis_virt = ioremap(mem->static_start, s->map_size);
- }
- return s->cis_virt;
+ if (s->features & SS_CAP_STATIC_MAP) {
+ if (s->cis_virt)
+ iounmap(s->cis_virt);
+ s->cis_virt = ioremap(mem->static_start, s->map_size);
+ }
+
+ return s->cis_virt;
}
/*======================================================================
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 3e3c6f12bbe6..43da2e92d50f 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -206,8 +206,8 @@ static void pcmcia_check_driver(struct pcmcia_driver *p_drv)
u32 hash;
if (!p_drv->attach || !p_drv->event || !p_drv->detach)
- printk(KERN_DEBUG "pcmcia: %s does misses a callback function",
- p_drv->drv.name);
+ printk(KERN_DEBUG "pcmcia: %s lacks a requisite callback "
+ "function\n", p_drv->drv.name);
while (did && did->match_flags) {
for (i=0; i<4; i++) {
@@ -589,8 +589,8 @@ static void pcmcia_delayed_add_pseudo_device(void *data)
static inline void pcmcia_add_pseudo_device(struct pcmcia_socket *s)
{
if (!s->pcmcia_state.device_add_pending) {
- schedule_work(&s->device_add);
s->pcmcia_state.device_add_pending = 1;
+ schedule_work(&s->device_add);
}
return;
}
diff --git a/drivers/pcmcia/o2micro.h b/drivers/pcmcia/o2micro.h
index b1f6e3d9ee06..a234ce1967a3 100644
--- a/drivers/pcmcia/o2micro.h
+++ b/drivers/pcmcia/o2micro.h
@@ -120,11 +120,16 @@
#define O2_MODE_E_LED_OUT 0x08
#define O2_MODE_E_SKTA_ACTV 0x10
+#define O2_RESERVED1 0x94
+#define O2_RESERVED2 0xD4
+#define O2_RES_READ_PREFETCH 0x02
+#define O2_RES_WRITE_BURST 0x08
+
static int o2micro_override(struct yenta_socket *socket)
{
/*
- * 'reserved' register at 0x94/D4. chaning it to 0xCA (8 bit) enables
- * read prefetching which for example makes the RME Hammerfall DSP
+ * 'reserved' register at 0x94/D4. allows setting read prefetch and write
+ * bursting. read prefetching for example makes the RME Hammerfall DSP
* working. for some bridges it is at 0x94, for others at 0xD4. it's
* ok to write to both registers on all O2 bridges.
* from Eric Still, 02Micro.
@@ -132,20 +137,35 @@ static int o2micro_override(struct yenta_socket *socket)
u8 a, b;
if (PCI_FUNC(socket->dev->devfn) == 0) {
- a = config_readb(socket, 0x94);
- b = config_readb(socket, 0xD4);
+ a = config_readb(socket, O2_RESERVED1);
+ b = config_readb(socket, O2_RESERVED2);
printk(KERN_INFO "Yenta O2: res at 0x94/0xD4: %02x/%02x\n", a, b);
switch (socket->dev->device) {
+ /*
+ * older bridges have problems with both read prefetch and write
+ * bursting depending on the combination of the chipset, bridge
+ * and the cardbus card. so disable them to be on the safe side.
+ */
+ case PCI_DEVICE_ID_O2_6729:
+ case PCI_DEVICE_ID_O2_6730:
+ case PCI_DEVICE_ID_O2_6812:
case PCI_DEVICE_ID_O2_6832:
- printk(KERN_INFO "Yenta O2: old bridge, not enabling read prefetch / write burst\n");
+ case PCI_DEVICE_ID_O2_6836:
+ printk(KERN_INFO "Yenta O2: old bridge, disabling read prefetch/write burst\n");
+ config_writeb(socket, O2_RESERVED1,
+ a & ~(O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST));
+ config_writeb(socket, O2_RESERVED2,
+ b & ~(O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST));
break;
default:
printk(KERN_INFO "Yenta O2: enabling read prefetch/write burst\n");
- config_writeb(socket, 0x94, a | 0x0a);
- config_writeb(socket, 0xD4, b | 0x0a);
+ config_writeb(socket, O2_RESERVED1,
+ a | O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST);
+ config_writeb(socket, O2_RESERVED2,
+ b | O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST);
}
}
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index 184f4f88b2a0..599b116d9747 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -41,6 +41,7 @@ module_param(io_speed, int, 0444);
#ifdef CONFIG_PCMCIA_PROBE
+#include <asm/irq.h>
/* mask of IRQs already reserved by other cards, we should avoid using them */
static u8 pcmcia_used_irq[NR_IRQS];
#endif
@@ -800,7 +801,7 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req)
} else {
int try;
u32 mask = s->irq_mask;
- void *data = NULL;
+ void *data = &p_dev->dev.driver; /* something unique to this device */
for (try = 0; try < 64; try++) {
irq = try % 32;
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index 6837491f021c..62fd705203fb 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -605,9 +605,8 @@ static int yenta_search_res(struct yenta_socket *socket, struct resource *res,
static void yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end)
{
- struct pci_bus *bus;
struct resource *root, *res;
- u32 start, end;
+ struct pci_bus_region region;
unsigned mask;
res = socket->dev->resource + PCI_BRIDGE_RESOURCES + nr;
@@ -620,15 +619,13 @@ static void yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned typ
if (type & IORESOURCE_IO)
mask = ~3;
- bus = socket->dev->subordinate;
- res->name = bus->name;
+ res->name = socket->dev->subordinate->name;
res->flags = type;
- start = config_readl(socket, addr_start) & mask;
- end = config_readl(socket, addr_end) | ~mask;
- if (start && end > start && !override_bios) {
- res->start = start;
- res->end = end;
+ region.start = config_readl(socket, addr_start) & mask;
+ region.end = config_readl(socket, addr_end) | ~mask;
+ if (region.start && region.end > region.start && !override_bios) {
+ pcibios_bus_to_resource(socket->dev, res, &region);
root = pci_find_parent_resource(socket->dev, res);
if (root && (request_resource(root, res) == 0))
return;
@@ -642,6 +639,7 @@ static void yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned typ
(yenta_search_res(socket, res, BRIDGE_IO_MIN))) {
config_writel(socket, addr_start, res->start);
config_writel(socket, addr_end, res->end);
+ return;
}
} else {
if (type & IORESOURCE_PREFETCH) {
@@ -650,6 +648,7 @@ static void yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned typ
(yenta_search_res(socket, res, BRIDGE_MEM_MIN))) {
config_writel(socket, addr_start, res->start);
config_writel(socket, addr_end, res->end);
+ return;
}
/* Approximating prefetchable by non-prefetchable */
res->flags = IORESOURCE_MEM;
@@ -659,6 +658,7 @@ static void yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned typ
(yenta_search_res(socket, res, BRIDGE_MEM_MIN))) {
config_writel(socket, addr_start, res->start);
config_writel(socket, addr_end, res->end);
+ return;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-05 03:26:44 +0000