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path: root/drivers/pnp/pnpbios/proc.c
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Diffstat (limited to 'drivers/pnp/pnpbios/proc.c')
-rw-r--r--drivers/pnp/pnpbios/proc.c102
1 files changed, 56 insertions, 46 deletions
diff --git a/drivers/pnp/pnpbios/proc.c b/drivers/pnp/pnpbios/proc.c
index 8027073f7919..b7e1d23e8a4e 100644
--- a/drivers/pnp/pnpbios/proc.c
+++ b/drivers/pnp/pnpbios/proc.c
@@ -37,42 +37,37 @@ static struct proc_dir_entry *proc_pnp = NULL;
static struct proc_dir_entry *proc_pnp_boot = NULL;
static int proc_read_pnpconfig(char *buf, char **start, off_t pos,
- int count, int *eof, void *data)
+ int count, int *eof, void *data)
{
struct pnp_isa_config_struc pnps;
if (pnp_bios_isapnp_config(&pnps))
return -EIO;
return snprintf(buf, count,
- "structure_revision %d\n"
- "number_of_CSNs %d\n"
- "ISA_read_data_port 0x%x\n",
- pnps.revision,
- pnps.no_csns,
- pnps.isa_rd_data_port
- );
+ "structure_revision %d\n"
+ "number_of_CSNs %d\n"
+ "ISA_read_data_port 0x%x\n",
+ pnps.revision, pnps.no_csns, pnps.isa_rd_data_port);
}
static int proc_read_escdinfo(char *buf, char **start, off_t pos,
- int count, int *eof, void *data)
+ int count, int *eof, void *data)
{
struct escd_info_struc escd;
if (pnp_bios_escd_info(&escd))
return -EIO;
return snprintf(buf, count,
- "min_ESCD_write_size %d\n"
- "ESCD_size %d\n"
- "NVRAM_base 0x%x\n",
- escd.min_escd_write_size,
- escd.escd_size,
- escd.nv_storage_base
- );
+ "min_ESCD_write_size %d\n"
+ "ESCD_size %d\n"
+ "NVRAM_base 0x%x\n",
+ escd.min_escd_write_size,
+ escd.escd_size, escd.nv_storage_base);
}
#define MAX_SANE_ESCD_SIZE (32*1024)
static int proc_read_escd(char *buf, char **start, off_t pos,
- int count, int *eof, void *data)
+ int count, int *eof, void *data)
{
struct escd_info_struc escd;
char *tmpbuf;
@@ -83,30 +78,36 @@ static int proc_read_escd(char *buf, char **start, off_t pos,
/* sanity check */
if (escd.escd_size > MAX_SANE_ESCD_SIZE) {
- printk(KERN_ERR "PnPBIOS: proc_read_escd: ESCD size reported by BIOS escd_info call is too great\n");
+ printk(KERN_ERR
+ "PnPBIOS: proc_read_escd: ESCD size reported by BIOS escd_info call is too great\n");
return -EFBIG;
}
tmpbuf = kzalloc(escd.escd_size, GFP_KERNEL);
- if (!tmpbuf) return -ENOMEM;
+ if (!tmpbuf)
+ return -ENOMEM;
if (pnp_bios_read_escd(tmpbuf, escd.nv_storage_base)) {
kfree(tmpbuf);
return -EIO;
}
- escd_size = (unsigned char)(tmpbuf[0]) + (unsigned char)(tmpbuf[1])*256;
+ escd_size =
+ (unsigned char)(tmpbuf[0]) + (unsigned char)(tmpbuf[1]) * 256;
/* sanity check */
if (escd_size > MAX_SANE_ESCD_SIZE) {
- printk(KERN_ERR "PnPBIOS: proc_read_escd: ESCD size reported by BIOS read_escd call is too great\n");
+ printk(KERN_ERR
+ "PnPBIOS: proc_read_escd: ESCD size reported by BIOS read_escd call is too great\n");
return -EFBIG;
}
escd_left_to_read = escd_size - pos;
- if (escd_left_to_read < 0) escd_left_to_read = 0;
- if (escd_left_to_read == 0) *eof = 1;
- n = min(count,escd_left_to_read);
+ if (escd_left_to_read < 0)
+ escd_left_to_read = 0;
+ if (escd_left_to_read == 0)
+ *eof = 1;
+ n = min(count, escd_left_to_read);
memcpy(buf, tmpbuf + pos, n);
kfree(tmpbuf);
*start = buf;
@@ -114,17 +115,17 @@ static int proc_read_escd(char *buf, char **start, off_t pos,
}
static int proc_read_legacyres(char *buf, char **start, off_t pos,
- int count, int *eof, void *data)
+ int count, int *eof, void *data)
{
/* Assume that the following won't overflow the buffer */
- if (pnp_bios_get_stat_res(buf))
+ if (pnp_bios_get_stat_res(buf))
return -EIO;
- return count; // FIXME: Return actual length
+ return count; // FIXME: Return actual length
}
static int proc_read_devices(char *buf, char **start, off_t pos,
- int count, int *eof, void *data)
+ int count, int *eof, void *data)
{
struct pnp_bios_node *node;
u8 nodenum;
@@ -134,9 +135,10 @@ static int proc_read_devices(char *buf, char **start, off_t pos,
return 0;
node = kzalloc(node_info.max_node_size, GFP_KERNEL);
- if (!node) return -ENOMEM;
+ if (!node)
+ return -ENOMEM;
- for (nodenum=pos; nodenum<0xff; ) {
+ for (nodenum = pos; nodenum < 0xff;) {
u8 thisnodenum = nodenum;
/* 26 = the number of characters per line sprintf'ed */
if ((p - buf + 26) > count)
@@ -148,7 +150,11 @@ static int proc_read_devices(char *buf, char **start, off_t pos,
node->type_code[0], node->type_code[1],
node->type_code[2], node->flags);
if (nodenum <= thisnodenum) {
- printk(KERN_ERR "%s Node number 0x%x is out of sequence following node 0x%x. Aborting.\n", "PnPBIOS: proc_read_devices:", (unsigned int)nodenum, (unsigned int)thisnodenum);
+ printk(KERN_ERR
+ "%s Node number 0x%x is out of sequence following node 0x%x. Aborting.\n",
+ "PnPBIOS: proc_read_devices:",
+ (unsigned int)nodenum,
+ (unsigned int)thisnodenum);
*eof = 1;
break;
}
@@ -156,12 +162,12 @@ static int proc_read_devices(char *buf, char **start, off_t pos,
kfree(node);
if (nodenum == 0xff)
*eof = 1;
- *start = (char *)((off_t)nodenum - pos);
+ *start = (char *)((off_t) nodenum - pos);
return p - buf;
}
static int proc_read_node(char *buf, char **start, off_t pos,
- int count, int *eof, void *data)
+ int count, int *eof, void *data)
{
struct pnp_bios_node *node;
int boot = (long)data >> 8;
@@ -169,7 +175,8 @@ static int proc_read_node(char *buf, char **start, off_t pos,
int len;
node = kzalloc(node_info.max_node_size, GFP_KERNEL);
- if (!node) return -ENOMEM;
+ if (!node)
+ return -ENOMEM;
if (pnp_bios_get_dev_node(&nodenum, boot, node)) {
kfree(node);
return -EIO;
@@ -180,8 +187,8 @@ static int proc_read_node(char *buf, char **start, off_t pos,
return len;
}
-static int proc_write_node(struct file *file, const char __user *buf,
- unsigned long count, void *data)
+static int proc_write_node(struct file *file, const char __user * buf,
+ unsigned long count, void *data)
{
struct pnp_bios_node *node;
int boot = (long)data >> 8;
@@ -208,12 +215,12 @@ static int proc_write_node(struct file *file, const char __user *buf,
goto out;
}
ret = count;
-out:
+ out:
kfree(node);
return ret;
}
-int pnpbios_interface_attach_device(struct pnp_bios_node * node)
+int pnpbios_interface_attach_device(struct pnp_bios_node *node)
{
char name[3];
struct proc_dir_entry *ent;
@@ -222,7 +229,7 @@ int pnpbios_interface_attach_device(struct pnp_bios_node * node)
if (!proc_pnp)
return -EIO;
- if ( !pnpbios_dont_use_current_config ) {
+ if (!pnpbios_dont_use_current_config) {
ent = create_proc_entry(name, 0, proc_pnp);
if (ent) {
ent->read_proc = proc_read_node;
@@ -237,7 +244,7 @@ int pnpbios_interface_attach_device(struct pnp_bios_node * node)
if (ent) {
ent->read_proc = proc_read_node;
ent->write_proc = proc_write_node;
- ent->data = (void *)(long)(node->handle+0x100);
+ ent->data = (void *)(long)(node->handle + 0x100);
return 0;
}
@@ -249,7 +256,7 @@ int pnpbios_interface_attach_device(struct pnp_bios_node * node)
* work and the pnpbios_dont_use_current_config flag
* should already have been set to the appropriate value
*/
-int __init pnpbios_proc_init( void )
+int __init pnpbios_proc_init(void)
{
proc_pnp = proc_mkdir("pnp", proc_bus);
if (!proc_pnp)
@@ -258,10 +265,13 @@ int __init pnpbios_proc_init( void )
if (!proc_pnp_boot)
return -EIO;
create_proc_read_entry("devices", 0, proc_pnp, proc_read_devices, NULL);
- create_proc_read_entry("configuration_info", 0, proc_pnp, proc_read_pnpconfig, NULL);
- create_proc_read_entry("escd_info", 0, proc_pnp, proc_read_escdinfo, NULL);
+ create_proc_read_entry("configuration_info", 0, proc_pnp,
+ proc_read_pnpconfig, NULL);
+ create_proc_read_entry("escd_info", 0, proc_pnp, proc_read_escdinfo,
+ NULL);
create_proc_read_entry("escd", S_IRUSR, proc_pnp, proc_read_escd, NULL);
- create_proc_read_entry("legacy_device_resources", 0, proc_pnp, proc_read_legacyres, NULL);
+ create_proc_read_entry("legacy_device_resources", 0, proc_pnp,
+ proc_read_legacyres, NULL);
return 0;
}
@@ -274,9 +284,9 @@ void __exit pnpbios_proc_exit(void)
if (!proc_pnp)
return;
- for (i=0; i<0xff; i++) {
+ for (i = 0; i < 0xff; i++) {
sprintf(name, "%02x", i);
- if ( !pnpbios_dont_use_current_config )
+ if (!pnpbios_dont_use_current_config)
remove_proc_entry(name, proc_pnp);
remove_proc_entry(name, proc_pnp_boot);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 14:07:25 +0000