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path: root/drivers/pnp/isapnp/core.c
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Diffstat (limited to 'drivers/pnp/isapnp/core.c')
-rw-r--r--drivers/pnp/isapnp/core.c30
1 files changed, 5 insertions, 25 deletions
diff --git a/drivers/pnp/isapnp/core.c b/drivers/pnp/isapnp/core.c
index 0d690a7c0d24..b4e2aa995b53 100644
--- a/drivers/pnp/isapnp/core.c
+++ b/drivers/pnp/isapnp/core.c
@@ -252,7 +252,6 @@ static inline void isapnp_set_rdp(void)
* Perform an isolation. The port selection code now tries to avoid
* "dangerous to read" ports.
*/
-
static int __init isapnp_isolate_rdp_select(void)
{
isapnp_wait();
@@ -281,7 +280,6 @@ static int __init isapnp_isolate_rdp_select(void)
/*
* Isolate (assign uniqued CSN) to all ISA PnP devices.
*/
-
static int __init isapnp_isolate(void)
{
unsigned char checksum = 0x6a;
@@ -352,7 +350,6 @@ static int __init isapnp_isolate(void)
/*
* Read one tag from stream.
*/
-
static int __init isapnp_read_tag(unsigned char *type, unsigned short *size)
{
unsigned char tag, tmp[2];
@@ -380,7 +377,6 @@ static int __init isapnp_read_tag(unsigned char *type, unsigned short *size)
/*
* Skip specified number of bytes from stream.
*/
-
static void __init isapnp_skip_bytes(int count)
{
isapnp_peek(NULL, count);
@@ -389,11 +385,11 @@ static void __init isapnp_skip_bytes(int count)
/*
* Parse EISA id.
*/
-
static void isapnp_parse_id(struct pnp_dev *dev, unsigned short vendor,
unsigned short device)
{
struct pnp_id *id;
+
if (!dev)
return;
id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL);
@@ -411,7 +407,6 @@ static void isapnp_parse_id(struct pnp_dev *dev, unsigned short vendor,
/*
* Parse logical device tag.
*/
-
static struct pnp_dev *__init isapnp_parse_device(struct pnp_card *card,
int size, int number)
{
@@ -440,7 +435,6 @@ static struct pnp_dev *__init isapnp_parse_device(struct pnp_card *card,
/*
* Add IRQ resource to resources list.
*/
-
static void __init isapnp_parse_irq_resource(struct pnp_option *option,
int size)
{
@@ -459,13 +453,11 @@ static void __init isapnp_parse_irq_resource(struct pnp_option *option,
else
irq->flags = IORESOURCE_IRQ_HIGHEDGE;
pnp_register_irq_resource(option, irq);
- return;
}
/*
* Add DMA resource to resources list.
*/
-
static void __init isapnp_parse_dma_resource(struct pnp_option *option,
int size)
{
@@ -479,13 +471,11 @@ static void __init isapnp_parse_dma_resource(struct pnp_option *option,
dma->map = tmp[0];
dma->flags = tmp[1];
pnp_register_dma_resource(option, dma);
- return;
}
/*
* Add port resource to resources list.
*/
-
static void __init isapnp_parse_port_resource(struct pnp_option *option,
int size)
{
@@ -502,13 +492,11 @@ static void __init isapnp_parse_port_resource(struct pnp_option *option,
port->size = tmp[6];
port->flags = tmp[0] ? PNP_PORT_FLAG_16BITADDR : 0;
pnp_register_port_resource(option, port);
- return;
}
/*
* Add fixed port resource to resources list.
*/
-
static void __init isapnp_parse_fixed_port_resource(struct pnp_option *option,
int size)
{
@@ -524,13 +512,11 @@ static void __init isapnp_parse_fixed_port_resource(struct pnp_option *option,
port->align = 0;
port->flags = PNP_PORT_FLAG_FIXED;
pnp_register_port_resource(option, port);
- return;
}
/*
* Add memory resource to resources list.
*/
-
static void __init isapnp_parse_mem_resource(struct pnp_option *option,
int size)
{
@@ -547,13 +533,11 @@ static void __init isapnp_parse_mem_resource(struct pnp_option *option,
mem->size = ((tmp[8] << 8) | tmp[7]) << 8;
mem->flags = tmp[0];
pnp_register_mem_resource(option, mem);
- return;
}
/*
* Add 32-bit memory resource to resources list.
*/
-
static void __init isapnp_parse_mem32_resource(struct pnp_option *option,
int size)
{
@@ -577,7 +561,6 @@ static void __init isapnp_parse_mem32_resource(struct pnp_option *option,
/*
* Add 32-bit fixed memory resource to resources list.
*/
-
static void __init isapnp_parse_fixed_mem32_resource(struct pnp_option *option,
int size)
{
@@ -599,7 +582,6 @@ static void __init isapnp_parse_fixed_mem32_resource(struct pnp_option *option,
/*
* Parse card name for ISA PnP device.
*/
-
static void __init
isapnp_parse_name(char *name, unsigned int name_max, unsigned short *size)
{
@@ -619,7 +601,6 @@ isapnp_parse_name(char *name, unsigned int name_max, unsigned short *size)
/*
* Parse resource map for logical device.
*/
-
static int __init isapnp_create_device(struct pnp_card *card,
unsigned short size)
{
@@ -627,6 +608,7 @@ static int __init isapnp_create_device(struct pnp_card *card,
unsigned char type, tmp[17];
struct pnp_option *option;
struct pnp_dev *dev;
+
if ((dev = isapnp_parse_device(card, size, number++)) == NULL)
return 1;
option = pnp_register_independent_option(dev);
@@ -761,7 +743,6 @@ static int __init isapnp_create_device(struct pnp_card *card,
/*
* Parse resource map for ISA PnP card.
*/
-
static void __init isapnp_parse_resource_map(struct pnp_card *card)
{
unsigned char type, tmp[17];
@@ -816,7 +797,6 @@ static void __init isapnp_parse_resource_map(struct pnp_card *card)
/*
* Compute ISA PnP checksum for first eight bytes.
*/
-
static unsigned char __init isapnp_checksum(unsigned char *data)
{
int i, j;
@@ -839,11 +819,11 @@ static unsigned char __init isapnp_checksum(unsigned char *data)
/*
* Parse EISA id for ISA PnP card.
*/
-
static void isapnp_parse_card_id(struct pnp_card *card, unsigned short vendor,
unsigned short device)
{
struct pnp_id *id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL);
+
if (!id)
return;
sprintf(id->id, "%c%c%c%x%x%x%x",
@@ -858,7 +838,6 @@ static void isapnp_parse_card_id(struct pnp_card *card, unsigned short vendor,
/*
* Build device list for all present ISA PnP devices.
*/
-
static int __init isapnp_build_device_list(void)
{
int csn;
@@ -911,6 +890,7 @@ static int __init isapnp_build_device_list(void)
int isapnp_present(void)
{
struct pnp_card *card;
+
pnp_for_each_card(card) {
if (card->protocol == &isapnp_protocol)
return 1;
@@ -953,7 +933,7 @@ int isapnp_cfg_end(void)
}
/*
- * Inititialization.
+ * Initialization.
*/
EXPORT_SYMBOL(isapnp_protocol);
generated by cgit v1.2.3 (git 2.0.4) at 2024-07-08 21:18:14 +0000