summaryrefslogtreecommitdiffstats
path: root/drivers/pnp/pnpbios
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pnp/pnpbios')
-rw-r--r--drivers/pnp/pnpbios/bioscalls.c161
-rw-r--r--drivers/pnp/pnpbios/core.c28
-rw-r--r--drivers/pnp/pnpbios/proc.c5
-rw-r--r--drivers/pnp/pnpbios/rsparser.c99
4 files changed, 103 insertions, 190 deletions
diff --git a/drivers/pnp/pnpbios/bioscalls.c b/drivers/pnp/pnpbios/bioscalls.c
index d546f79d4d3..5dba68fe33f 100644
--- a/drivers/pnp/pnpbios/bioscalls.c
+++ b/drivers/pnp/pnpbios/bioscalls.c
@@ -1,6 +1,5 @@
/*
* bioscalls.c - the lowlevel layer of the PnPBIOS driver
- *
*/
#include <linux/types.h>
@@ -52,7 +51,8 @@ __asm__(".text \n"
" pushl %eax \n"
" lcallw *pnp_bios_callpoint\n"
" addl $16, %esp \n"
- " lret \n" ".previous \n");
+ " lret \n"
+ ".previous \n");
#define Q2_SET_SEL(cpu, selname, address, size) \
do { \
@@ -125,7 +125,8 @@ static inline u16 call_pnp_bios(u16 func, u16 arg1, u16 arg2, u16 arg3,
"popl %%es\n\t"
"popl %%ds\n\t"
"popl %%esi\n\t"
- "popl %%edi\n\t" "popl %%ebp\n\t":"=a"(status)
+ "popl %%edi\n\t"
+ "popl %%ebp\n\t":"=a"(status)
:"0"((func) | (((u32) arg1) << 16)),
"b"((arg2) | (((u32) arg3) << 16)),
"c"((arg4) | (((u32) arg5) << 16)),
@@ -253,12 +254,12 @@ void pnpbios_print_status(const char *module, u16 status)
static int __pnp_bios_dev_node_info(struct pnp_dev_node_info *data)
{
u16 status;
+
if (!pnp_bios_present())
return PNP_FUNCTION_NOT_SUPPORTED;
- status =
- call_pnp_bios(PNP_GET_NUM_SYS_DEV_NODES, 0, PNP_TS1, 2, PNP_TS1,
- PNP_DS, 0, 0, data, sizeof(struct pnp_dev_node_info),
- NULL, 0);
+ status = call_pnp_bios(PNP_GET_NUM_SYS_DEV_NODES, 0, PNP_TS1, 2,
+ PNP_TS1, PNP_DS, 0, 0, data,
+ sizeof(struct pnp_dev_node_info), NULL, 0);
data->no_nodes &= 0xff;
return status;
}
@@ -266,6 +267,7 @@ static int __pnp_bios_dev_node_info(struct pnp_dev_node_info *data)
int pnp_bios_dev_node_info(struct pnp_dev_node_info *data)
{
int status = __pnp_bios_dev_node_info(data);
+
if (status)
pnpbios_print_status("dev_node_info", status);
return status;
@@ -285,27 +287,28 @@ int pnp_bios_dev_node_info(struct pnp_dev_node_info *data)
* or volatile current (0) config
* Output: *nodenum=next node or 0xff if no more nodes
*/
-static int __pnp_bios_get_dev_node(u8 * nodenum, char boot,
+static int __pnp_bios_get_dev_node(u8 *nodenum, char boot,
struct pnp_bios_node *data)
{
u16 status;
u16 tmp_nodenum;
+
if (!pnp_bios_present())
return PNP_FUNCTION_NOT_SUPPORTED;
if (!boot && pnpbios_dont_use_current_config)
return PNP_FUNCTION_NOT_SUPPORTED;
tmp_nodenum = *nodenum;
- status =
- call_pnp_bios(PNP_GET_SYS_DEV_NODE, 0, PNP_TS1, 0, PNP_TS2,
- boot ? 2 : 1, PNP_DS, 0, &tmp_nodenum,
- sizeof(tmp_nodenum), data, 65536);
+ status = call_pnp_bios(PNP_GET_SYS_DEV_NODE, 0, PNP_TS1, 0, PNP_TS2,
+ boot ? 2 : 1, PNP_DS, 0, &tmp_nodenum,
+ sizeof(tmp_nodenum), data, 65536);
*nodenum = tmp_nodenum;
return status;
}
-int pnp_bios_get_dev_node(u8 * nodenum, char boot, struct pnp_bios_node *data)
+int pnp_bios_get_dev_node(u8 *nodenum, char boot, struct pnp_bios_node *data)
{
int status;
+
status = __pnp_bios_get_dev_node(nodenum, boot, data);
if (status)
pnpbios_print_status("get_dev_node", status);
@@ -322,19 +325,21 @@ static int __pnp_bios_set_dev_node(u8 nodenum, char boot,
struct pnp_bios_node *data)
{
u16 status;
+
if (!pnp_bios_present())
return PNP_FUNCTION_NOT_SUPPORTED;
if (!boot && pnpbios_dont_use_current_config)
return PNP_FUNCTION_NOT_SUPPORTED;
- status =
- call_pnp_bios(PNP_SET_SYS_DEV_NODE, nodenum, 0, PNP_TS1,
- boot ? 2 : 1, PNP_DS, 0, 0, data, 65536, NULL, 0);
+ status = call_pnp_bios(PNP_SET_SYS_DEV_NODE, nodenum, 0, PNP_TS1,
+ boot ? 2 : 1, PNP_DS, 0, 0, data, 65536, NULL,
+ 0);
return status;
}
int pnp_bios_set_dev_node(u8 nodenum, char boot, struct pnp_bios_node *data)
{
int status;
+
status = __pnp_bios_set_dev_node(nodenum, boot, data);
if (status) {
pnpbios_print_status("set_dev_node", status);
@@ -348,68 +353,21 @@ int pnp_bios_set_dev_node(u8 nodenum, char boot, struct pnp_bios_node *data)
return status;
}
-#if needed
-/*
- * Call PnP BIOS with function 0x03, "get event"
- */
-static int pnp_bios_get_event(u16 * event)
-{
- u16 status;
- if (!pnp_bios_present())
- return PNP_FUNCTION_NOT_SUPPORTED;
- status = call_pnp_bios(PNP_GET_EVENT, 0, PNP_TS1, PNP_DS, 0, 0, 0, 0,
- event, sizeof(u16), NULL, 0);
- return status;
-}
-#endif
-
-#if needed
-/*
- * Call PnP BIOS with function 0x04, "send message"
- */
-static int pnp_bios_send_message(u16 message)
-{
- u16 status;
- if (!pnp_bios_present())
- return PNP_FUNCTION_NOT_SUPPORTED;
- status =
- call_pnp_bios(PNP_SEND_MESSAGE, message, PNP_DS, 0, 0, 0, 0, 0, 0,
- 0, 0, 0);
- return status;
-}
-#endif
-
/*
* Call PnP BIOS with function 0x05, "get docking station information"
*/
int pnp_bios_dock_station_info(struct pnp_docking_station_info *data)
{
u16 status;
- if (!pnp_bios_present())
- return PNP_FUNCTION_NOT_SUPPORTED;
- status =
- call_pnp_bios(PNP_GET_DOCKING_STATION_INFORMATION, 0, PNP_TS1,
- PNP_DS, 0, 0, 0, 0, data,
- sizeof(struct pnp_docking_station_info), NULL, 0);
- return status;
-}
-#if needed
-/*
- * Call PnP BIOS with function 0x09, "set statically allocated resource
- * information"
- */
-static int pnp_bios_set_stat_res(char *info)
-{
- u16 status;
if (!pnp_bios_present())
return PNP_FUNCTION_NOT_SUPPORTED;
- status =
- call_pnp_bios(PNP_SET_STATIC_ALLOCED_RES_INFO, 0, PNP_TS1, PNP_DS,
- 0, 0, 0, 0, info, *((u16 *) info), 0, 0);
+ status = call_pnp_bios(PNP_GET_DOCKING_STATION_INFORMATION, 0, PNP_TS1,
+ PNP_DS, 0, 0, 0, 0, data,
+ sizeof(struct pnp_docking_station_info), NULL,
+ 0);
return status;
}
-#endif
/*
* Call PnP BIOS with function 0x0a, "get statically allocated resource
@@ -418,57 +376,43 @@ static int pnp_bios_set_stat_res(char *info)
static int __pnp_bios_get_stat_res(char *info)
{
u16 status;
+
if (!pnp_bios_present())
return PNP_FUNCTION_NOT_SUPPORTED;
- status =
- call_pnp_bios(PNP_GET_STATIC_ALLOCED_RES_INFO, 0, PNP_TS1, PNP_DS,
- 0, 0, 0, 0, info, 65536, NULL, 0);
+ status = call_pnp_bios(PNP_GET_STATIC_ALLOCED_RES_INFO, 0, PNP_TS1,
+ PNP_DS, 0, 0, 0, 0, info, 65536, NULL, 0);
return status;
}
int pnp_bios_get_stat_res(char *info)
{
int status;
+
status = __pnp_bios_get_stat_res(info);
if (status)
pnpbios_print_status("get_stat_res", status);
return status;
}
-#if needed
-/*
- * Call PnP BIOS with function 0x0b, "get APM id table"
- */
-static int pnp_bios_apm_id_table(char *table, u16 * size)
-{
- u16 status;
- if (!pnp_bios_present())
- return PNP_FUNCTION_NOT_SUPPORTED;
- status =
- call_pnp_bios(PNP_GET_APM_ID_TABLE, 0, PNP_TS2, 0, PNP_TS1, PNP_DS,
- 0, 0, table, *size, size, sizeof(u16));
- return status;
-}
-#endif
-
/*
* Call PnP BIOS with function 0x40, "get isa pnp configuration structure"
*/
static int __pnp_bios_isapnp_config(struct pnp_isa_config_struc *data)
{
u16 status;
+
if (!pnp_bios_present())
return PNP_FUNCTION_NOT_SUPPORTED;
- status =
- call_pnp_bios(PNP_GET_PNP_ISA_CONFIG_STRUC, 0, PNP_TS1, PNP_DS, 0,
- 0, 0, 0, data, sizeof(struct pnp_isa_config_struc),
- NULL, 0);
+ status = call_pnp_bios(PNP_GET_PNP_ISA_CONFIG_STRUC, 0, PNP_TS1, PNP_DS,
+ 0, 0, 0, 0, data,
+ sizeof(struct pnp_isa_config_struc), NULL, 0);
return status;
}
int pnp_bios_isapnp_config(struct pnp_isa_config_struc *data)
{
int status;
+
status = __pnp_bios_isapnp_config(data);
if (status)
pnpbios_print_status("isapnp_config", status);
@@ -481,18 +425,19 @@ int pnp_bios_isapnp_config(struct pnp_isa_config_struc *data)
static int __pnp_bios_escd_info(struct escd_info_struc *data)
{
u16 status;
+
if (!pnp_bios_present())
return ESCD_FUNCTION_NOT_SUPPORTED;
- status =
- call_pnp_bios(PNP_GET_ESCD_INFO, 0, PNP_TS1, 2, PNP_TS1, 4, PNP_TS1,
- PNP_DS, data, sizeof(struct escd_info_struc), NULL,
- 0);
+ status = call_pnp_bios(PNP_GET_ESCD_INFO, 0, PNP_TS1, 2, PNP_TS1, 4,
+ PNP_TS1, PNP_DS, data,
+ sizeof(struct escd_info_struc), NULL, 0);
return status;
}
int pnp_bios_escd_info(struct escd_info_struc *data)
{
int status;
+
status = __pnp_bios_escd_info(data);
if (status)
pnpbios_print_status("escd_info", status);
@@ -506,46 +451,28 @@ int pnp_bios_escd_info(struct escd_info_struc *data)
static int __pnp_bios_read_escd(char *data, u32 nvram_base)
{
u16 status;
+
if (!pnp_bios_present())
return ESCD_FUNCTION_NOT_SUPPORTED;
- status =
- call_pnp_bios(PNP_READ_ESCD, 0, PNP_TS1, PNP_TS2, PNP_DS, 0, 0, 0,
- data, 65536, __va(nvram_base), 65536);
+ status = call_pnp_bios(PNP_READ_ESCD, 0, PNP_TS1, PNP_TS2, PNP_DS, 0, 0,
+ 0, data, 65536, __va(nvram_base), 65536);
return status;
}
int pnp_bios_read_escd(char *data, u32 nvram_base)
{
int status;
+
status = __pnp_bios_read_escd(data, nvram_base);
if (status)
pnpbios_print_status("read_escd", status);
return status;
}
-#if needed
-/*
- * Call PnP BIOS function 0x43, "write ESCD"
- */
-static int pnp_bios_write_escd(char *data, u32 nvram_base)
-{
- u16 status;
- if (!pnp_bios_present())
- return ESCD_FUNCTION_NOT_SUPPORTED;
- status =
- call_pnp_bios(PNP_WRITE_ESCD, 0, PNP_TS1, PNP_TS2, PNP_DS, 0, 0, 0,
- data, 65536, __va(nvram_base), 65536);
- return status;
-}
-#endif
-
-/*
- * Initialization
- */
-
void pnpbios_calls_init(union pnp_bios_install_struct *header)
{
int i;
+
spin_lock_init(&pnp_bios_lock);
pnp_bios_callpoint.offset = header->fields.pm16offset;
pnp_bios_callpoint.segment = PNP_CS16;
diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c
index 21289cb13a3..3692a099b45 100644
--- a/drivers/pnp/pnpbios/core.c
+++ b/drivers/pnp/pnpbios/core.c
@@ -100,25 +100,24 @@ static struct completion unload_sem;
/*
* (Much of this belongs in a shared routine somewhere)
*/
-
static int pnp_dock_event(int dock, struct pnp_docking_station_info *info)
{
char *argv[3], **envp, *buf, *scratch;
int i = 0, value;
- if (!current->fs->root) {
+ if (!current->fs->root)
return -EAGAIN;
- }
- if (!(envp = kcalloc(20, sizeof(char *), GFP_KERNEL))) {
+ if (!(envp = kcalloc(20, sizeof(char *), GFP_KERNEL)))
return -ENOMEM;
- }
if (!(buf = kzalloc(256, GFP_KERNEL))) {
kfree(envp);
return -ENOMEM;
}
- /* FIXME: if there are actual users of this, it should be integrated into
- * the driver core and use the usual infrastructure like sysfs and uevents */
+ /* FIXME: if there are actual users of this, it should be
+ * integrated into the driver core and use the usual infrastructure
+ * like sysfs and uevents
+ */
argv[0] = "/sbin/pnpbios";
argv[1] = "dock";
argv[2] = NULL;
@@ -146,7 +145,7 @@ static int pnp_dock_event(int dock, struct pnp_docking_station_info *info)
info->location_id, info->serial, info->capabilities);
envp[i] = NULL;
- value = call_usermodehelper(argv[0], argv, envp, UMH_WAIT_EXEC);
+ value = call_usermodehelper(argv [0], argv, envp, UMH_WAIT_EXEC);
kfree(buf);
kfree(envp);
return 0;
@@ -159,6 +158,7 @@ static int pnp_dock_thread(void *unused)
{
static struct pnp_docking_station_info now;
int docked = -1, d = 0;
+
set_freezable();
while (!unloading) {
int status;
@@ -203,7 +203,7 @@ static int pnp_dock_thread(void *unused)
complete_and_exit(&unload_sem, 0);
}
-#endif /* CONFIG_HOTPLUG */
+#endif /* CONFIG_HOTPLUG */
static int pnpbios_get_resources(struct pnp_dev *dev,
struct pnp_resource_table *res)
@@ -211,7 +211,6 @@ static int pnpbios_get_resources(struct pnp_dev *dev,
u8 nodenum = dev->number;
struct pnp_bios_node *node;
- /* just in case */
if (!pnpbios_is_dynamic(dev))
return -EPERM;
@@ -235,7 +234,6 @@ static int pnpbios_set_resources(struct pnp_dev *dev,
struct pnp_bios_node *node;
int ret;
- /* just in case */
if (!pnpbios_is_dynamic(dev))
return -EPERM;
@@ -263,6 +261,7 @@ static void pnpbios_zero_data_stream(struct pnp_bios_node *node)
unsigned char *end = (char *)(node->data + node->size);
unsigned int len;
int i;
+
while ((char *)p < (char *)end) {
if (p[0] & 0x80) { /* large tag */
len = (p[2] << 8) | p[1];
@@ -287,7 +286,6 @@ static int pnpbios_disable_resources(struct pnp_dev *dev)
u8 nodenum = dev->number;
int ret;
- /* just in case */
if (dev->flags & PNPBIOS_NO_DISABLE || !pnpbios_is_dynamic(dev))
return -EPERM;
@@ -418,8 +416,8 @@ static void __init build_devlist(void)
*
*/
-static int pnpbios_disabled; /* = 0 */
-int pnpbios_dont_use_current_config; /* = 0 */
+static int pnpbios_disabled;
+int pnpbios_dont_use_current_config;
#ifndef MODULE
static int __init pnpbios_setup(char *str)
@@ -551,7 +549,7 @@ static int __init pnpbios_init(void)
printk(KERN_INFO "PnPBIOS: Disabled by ACPI PNP\n");
return -ENODEV;
}
-#endif /* CONFIG_ACPI */
+#endif /* CONFIG_ACPI */
/* scan the system for pnpbios support */
if (!pnpbios_probe_system())
diff --git a/drivers/pnp/pnpbios/proc.c b/drivers/pnp/pnpbios/proc.c
index b7e1d23e8a4..9c8c07701b6 100644
--- a/drivers/pnp/pnpbios/proc.c
+++ b/drivers/pnp/pnpbios/proc.c
@@ -18,9 +18,6 @@
* The other files are human-readable.
*/
-//#include <pcmcia/config.h>
-//#include <pcmcia/k_compat.h>
-
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
@@ -297,6 +294,4 @@ void __exit pnpbios_proc_exit(void)
remove_proc_entry("devices", proc_pnp);
remove_proc_entry("boot", proc_pnp);
remove_proc_entry("pnp", proc_bus);
-
- return;
}
diff --git a/drivers/pnp/pnpbios/rsparser.c b/drivers/pnp/pnpbios/rsparser.c
index 54c34d4d4f4..04ecd7b6723 100644
--- a/drivers/pnp/pnpbios/rsparser.c
+++ b/drivers/pnp/pnpbios/rsparser.c
@@ -1,6 +1,5 @@
/*
* rsparser.c - parses and encodes pnpbios resource data streams
- *
*/
#include <linux/ctype.h>
@@ -15,7 +14,7 @@
inline void pcibios_penalize_isa_irq(int irq, int active)
{
}
-#endif /* CONFIG_PCI */
+#endif /* CONFIG_PCI */
#include "pnpbios.h"
@@ -54,10 +53,11 @@ inline void pcibios_penalize_isa_irq(int irq, int active)
* Allocated Resources
*/
-static void
-pnpbios_parse_allocated_irqresource(struct pnp_resource_table *res, int irq)
+static void pnpbios_parse_allocated_irqresource(struct pnp_resource_table *res,
+ int irq)
{
int i = 0;
+
while (!(res->irq_resource[i].flags & IORESOURCE_UNSET)
&& i < PNP_MAX_IRQ)
i++;
@@ -73,10 +73,11 @@ pnpbios_parse_allocated_irqresource(struct pnp_resource_table *res, int irq)
}
}
-static void
-pnpbios_parse_allocated_dmaresource(struct pnp_resource_table *res, int dma)
+static void pnpbios_parse_allocated_dmaresource(struct pnp_resource_table *res,
+ int dma)
{
int i = 0;
+
while (i < PNP_MAX_DMA &&
!(res->dma_resource[i].flags & IORESOURCE_UNSET))
i++;
@@ -91,11 +92,11 @@ pnpbios_parse_allocated_dmaresource(struct pnp_resource_table *res, int dma)
}
}
-static void
-pnpbios_parse_allocated_ioresource(struct pnp_resource_table *res, int io,
- int len)
+static void pnpbios_parse_allocated_ioresource(struct pnp_resource_table *res,
+ int io, int len)
{
int i = 0;
+
while (!(res->port_resource[i].flags & IORESOURCE_UNSET)
&& i < PNP_MAX_PORT)
i++;
@@ -110,11 +111,11 @@ pnpbios_parse_allocated_ioresource(struct pnp_resource_table *res, int io,
}
}
-static void
-pnpbios_parse_allocated_memresource(struct pnp_resource_table *res, int mem,
- int len)
+static void pnpbios_parse_allocated_memresource(struct pnp_resource_table *res,
+ int mem, int len)
{
int i = 0;
+
while (!(res->mem_resource[i].flags & IORESOURCE_UNSET)
&& i < PNP_MAX_MEM)
i++;
@@ -261,10 +262,11 @@ static unsigned char *pnpbios_parse_allocated_resource_data(unsigned char *p,
* Resource Configuration Options
*/
-static void
-pnpbios_parse_mem_option(unsigned char *p, int size, struct pnp_option *option)
+static void pnpbios_parse_mem_option(unsigned char *p, int size,
+ struct pnp_option *option)
{
struct pnp_mem *mem;
+
mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
if (!mem)
return;
@@ -274,14 +276,13 @@ pnpbios_parse_mem_option(unsigned char *p, int size, struct pnp_option *option)
mem->size = ((p[11] << 8) | p[10]) << 8;
mem->flags = p[3];
pnp_register_mem_resource(option, mem);
- return;
}
-static void
-pnpbios_parse_mem32_option(unsigned char *p, int size,
- struct pnp_option *option)
+static void pnpbios_parse_mem32_option(unsigned char *p, int size,
+ struct pnp_option *option)
{
struct pnp_mem *mem;
+
mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
if (!mem)
return;
@@ -291,12 +292,10 @@ pnpbios_parse_mem32_option(unsigned char *p, int size,
mem->size = (p[19] << 24) | (p[18] << 16) | (p[17] << 8) | p[16];
mem->flags = p[3];
pnp_register_mem_resource(option, mem);
- return;
}
-static void
-pnpbios_parse_fixed_mem32_option(unsigned char *p, int size,
- struct pnp_option *option)
+static void pnpbios_parse_fixed_mem32_option(unsigned char *p, int size,
+ struct pnp_option *option)
{
struct pnp_mem *mem;
mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
@@ -307,11 +306,10 @@ pnpbios_parse_fixed_mem32_option(unsigned char *p, int size,
mem->align = 0;
mem->flags = p[3];
pnp_register_mem_resource(option, mem);
- return;
}
-static void
-pnpbios_parse_irq_option(unsigned char *p, int size, struct pnp_option *option)
+static void pnpbios_parse_irq_option(unsigned char *p, int size,
+ struct pnp_option *option)
{
struct pnp_irq *irq;
unsigned long bits;
@@ -326,26 +324,26 @@ pnpbios_parse_irq_option(unsigned char *p, int size, struct pnp_option *option)
else
irq->flags = IORESOURCE_IRQ_HIGHEDGE;
pnp_register_irq_resource(option, irq);
- return;
}
-static void
-pnpbios_parse_dma_option(unsigned char *p, int size, struct pnp_option *option)
+static void pnpbios_parse_dma_option(unsigned char *p, int size,
+ struct pnp_option *option)
{
struct pnp_dma *dma;
+
dma = kzalloc(sizeof(struct pnp_dma), GFP_KERNEL);
if (!dma)
return;
dma->map = p[1];
dma->flags = p[2];
pnp_register_dma_resource(option, dma);
- return;
}
-static void
-pnpbios_parse_port_option(unsigned char *p, int size, struct pnp_option *option)
+static void pnpbios_parse_port_option(unsigned char *p, int size,
+ struct pnp_option *option)
{
struct pnp_port *port;
+
port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL);
if (!port)
return;
@@ -355,14 +353,13 @@ pnpbios_parse_port_option(unsigned char *p, int size, struct pnp_option *option)
port->size = p[7];
port->flags = p[1] ? PNP_PORT_FLAG_16BITADDR : 0;
pnp_register_port_resource(option, port);
- return;
}
-static void
-pnpbios_parse_fixed_port_option(unsigned char *p, int size,
- struct pnp_option *option)
+static void pnpbios_parse_fixed_port_option(unsigned char *p, int size,
+ struct pnp_option *option)
{
struct pnp_port *port;
+
port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL);
if (!port)
return;
@@ -371,7 +368,6 @@ pnpbios_parse_fixed_port_option(unsigned char *p, int size,
port->align = 0;
port->flags = PNP_PORT_FLAG_FIXED;
pnp_register_port_resource(option, port);
- return;
}
static unsigned char *pnpbios_parse_resource_option_data(unsigned char *p,
@@ -498,7 +494,6 @@ static unsigned char *pnpbios_parse_resource_option_data(unsigned char *p,
#define HEX(id,a) hex[((id)>>a) & 15]
#define CHAR(id,a) (0x40 + (((id)>>a) & 31))
-//
void pnpid32_to_pnpid(u32 id, char *str)
{
@@ -513,11 +508,8 @@ void pnpid32_to_pnpid(u32 id, char *str)
str[5] = HEX(id, 4);
str[6] = HEX(id, 0);
str[7] = '\0';
-
- return;
}
-//
#undef CHAR
#undef HEX
@@ -598,19 +590,20 @@ static void pnpbios_encode_mem(unsigned char *p, struct resource *res)
{
unsigned long base = res->start;
unsigned long len = res->end - res->start + 1;
+
p[4] = (base >> 8) & 0xff;
p[5] = ((base >> 8) >> 8) & 0xff;
p[6] = (base >> 8) & 0xff;
p[7] = ((base >> 8) >> 8) & 0xff;
p[10] = (len >> 8) & 0xff;
p[11] = ((len >> 8) >> 8) & 0xff;
- return;
}
static void pnpbios_encode_mem32(unsigned char *p, struct resource *res)
{
unsigned long base = res->start;
unsigned long len = res->end - res->start + 1;
+
p[4] = base & 0xff;
p[5] = (base >> 8) & 0xff;
p[6] = (base >> 16) & 0xff;
@@ -623,13 +616,13 @@ static void pnpbios_encode_mem32(unsigned char *p, struct resource *res)
p[17] = (len >> 8) & 0xff;
p[18] = (len >> 16) & 0xff;
p[19] = (len >> 24) & 0xff;
- return;
}
static void pnpbios_encode_fixed_mem32(unsigned char *p, struct resource *res)
{
unsigned long base = res->start;
unsigned long len = res->end - res->start + 1;
+
p[4] = base & 0xff;
p[5] = (base >> 8) & 0xff;
p[6] = (base >> 16) & 0xff;
@@ -638,46 +631,45 @@ static void pnpbios_encode_fixed_mem32(unsigned char *p, struct resource *res)
p[9] = (len >> 8) & 0xff;
p[10] = (len >> 16) & 0xff;
p[11] = (len >> 24) & 0xff;
- return;
}
static void pnpbios_encode_irq(unsigned char *p, struct resource *res)
{
unsigned long map = 0;
+
map = 1 << res->start;
p[1] = map & 0xff;
p[2] = (map >> 8) & 0xff;
- return;
}
static void pnpbios_encode_dma(unsigned char *p, struct resource *res)
{
unsigned long map = 0;
+
map = 1 << res->start;
p[1] = map & 0xff;
- return;
}
static void pnpbios_encode_port(unsigned char *p, struct resource *res)
{
unsigned long base = res->start;
unsigned long len = res->end - res->start + 1;
+
p[2] = base & 0xff;
p[3] = (base >> 8) & 0xff;
p[4] = base & 0xff;
p[5] = (base >> 8) & 0xff;
p[7] = len & 0xff;
- return;
}
static void pnpbios_encode_fixed_port(unsigned char *p, struct resource *res)
{
unsigned long base = res->start;
unsigned long len = res->end - res->start + 1;
+
p[1] = base & 0xff;
p[2] = (base >> 8) & 0xff;
p[3] = len & 0xff;
- return;
}
static unsigned char *pnpbios_encode_allocated_resource_data(unsigned char *p,
@@ -792,6 +784,7 @@ int pnpbios_parse_data_stream(struct pnp_dev *dev, struct pnp_bios_node *node)
{
unsigned char *p = (char *)node->data;
unsigned char *end = (char *)(node->data + node->size);
+
p = pnpbios_parse_allocated_resource_data(p, end, &dev->res);
if (!p)
return -EIO;
@@ -804,24 +797,24 @@ int pnpbios_parse_data_stream(struct pnp_dev *dev, struct pnp_bios_node *node)
return 0;
}
-int
-pnpbios_read_resources_from_node(struct pnp_resource_table *res,
- struct pnp_bios_node *node)
+int pnpbios_read_resources_from_node(struct pnp_resource_table *res,
+ struct pnp_bios_node *node)
{
unsigned char *p = (char *)node->data;
unsigned char *end = (char *)(node->data + node->size);
+
p = pnpbios_parse_allocated_resource_data(p, end, res);
if (!p)
return -EIO;
return 0;
}
-int
-pnpbios_write_resources_to_node(struct pnp_resource_table *res,
- struct pnp_bios_node *node)
+int pnpbios_write_resources_to_node(struct pnp_resource_table *res,
+ struct pnp_bios_node *node)
{
unsigned char *p = (char *)node->data;
unsigned char *end = (char *)(node->data + node->size);
+
p = pnpbios_encode_allocated_resource_data(p, end, res);
if (!p)
return -EIO;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-24 03:24:11 +0000