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-rw-r--r--drivers/pnp/base.h93
-rw-r--r--drivers/pnp/core.c4
-rw-r--r--drivers/pnp/interface.c75
-rw-r--r--drivers/pnp/isapnp/core.c72
-rw-r--r--drivers/pnp/manager.c145
-rw-r--r--drivers/pnp/pnpacpi/rsparser.c93
-rw-r--r--drivers/pnp/pnpbios/rsparser.c67
-rw-r--r--drivers/pnp/quirks.c290
-rw-r--r--drivers/pnp/resource.c268
-rw-r--r--drivers/pnp/support.c92
-rw-r--r--include/linux/pnp.h6
11 files changed, 571 insertions, 634 deletions
diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h
index 360c6385686c..e3fa9a2d9a3d 100644
--- a/drivers/pnp/base.h
+++ b/drivers/pnp/base.h
@@ -1,3 +1,8 @@
+/*
+ * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
+ * Bjorn Helgaas <bjorn.helgaas@hp.com>
+ */
+
extern spinlock_t pnp_lock;
void *pnp_alloc(long size);
@@ -25,8 +30,6 @@ struct pnp_port {
resource_size_t align; /* align boundary */
resource_size_t size; /* size of range */
unsigned char flags; /* port flags */
- unsigned char pad; /* pad */
- struct pnp_port *next; /* next port */
};
#define PNP_IRQ_NR 256
@@ -35,14 +38,11 @@ typedef struct { DECLARE_BITMAP(bits, PNP_IRQ_NR); } pnp_irq_mask_t;
struct pnp_irq {
pnp_irq_mask_t map; /* bitmap for IRQ lines */
unsigned char flags; /* IRQ flags */
- unsigned char pad; /* pad */
- struct pnp_irq *next; /* next IRQ */
};
struct pnp_dma {
unsigned char map; /* bitmask for DMA channels */
unsigned char flags; /* DMA flags */
- struct pnp_dma *next; /* next port */
};
struct pnp_mem {
@@ -51,44 +51,91 @@ struct pnp_mem {
resource_size_t align; /* align boundary */
resource_size_t size; /* size of range */
unsigned char flags; /* memory flags */
- unsigned char pad; /* pad */
- struct pnp_mem *next; /* next memory resource */
};
+#define PNP_OPTION_DEPENDENT 0x80000000
+#define PNP_OPTION_SET_MASK 0xffff
+#define PNP_OPTION_SET_SHIFT 12
+#define PNP_OPTION_PRIORITY_MASK 0xfff
+#define PNP_OPTION_PRIORITY_SHIFT 0
+
#define PNP_RES_PRIORITY_PREFERRED 0
#define PNP_RES_PRIORITY_ACCEPTABLE 1
#define PNP_RES_PRIORITY_FUNCTIONAL 2
-#define PNP_RES_PRIORITY_INVALID 65535
+#define PNP_RES_PRIORITY_INVALID PNP_OPTION_PRIORITY_MASK
struct pnp_option {
- unsigned short priority; /* priority */
- struct pnp_port *port; /* first port */
- struct pnp_irq *irq; /* first IRQ */
- struct pnp_dma *dma; /* first DMA */
- struct pnp_mem *mem; /* first memory resource */
- struct pnp_option *next; /* used to chain dependent resources */
+ struct list_head list;
+ unsigned int flags; /* independent/dependent, set, priority */
+
+ unsigned long type; /* IORESOURCE_{IO,MEM,IRQ,DMA} */
+ union {
+ struct pnp_port port;
+ struct pnp_irq irq;
+ struct pnp_dma dma;
+ struct pnp_mem mem;
+ } u;
};
-struct pnp_option *pnp_build_option(int priority);
-struct pnp_option *pnp_register_independent_option(struct pnp_dev *dev);
-struct pnp_option *pnp_register_dependent_option(struct pnp_dev *dev,
- int priority);
-int pnp_register_irq_resource(struct pnp_dev *dev, struct pnp_option *option,
+int pnp_register_irq_resource(struct pnp_dev *dev, unsigned int option_flags,
pnp_irq_mask_t *map, unsigned char flags);
-int pnp_register_dma_resource(struct pnp_dev *dev, struct pnp_option *option,
+int pnp_register_dma_resource(struct pnp_dev *dev, unsigned int option_flags,
unsigned char map, unsigned char flags);
-int pnp_register_port_resource(struct pnp_dev *dev, struct pnp_option *option,
+int pnp_register_port_resource(struct pnp_dev *dev, unsigned int option_flags,
resource_size_t min, resource_size_t max,
resource_size_t align, resource_size_t size,
unsigned char flags);
-int pnp_register_mem_resource(struct pnp_dev *dev, struct pnp_option *option,
+int pnp_register_mem_resource(struct pnp_dev *dev, unsigned int option_flags,
resource_size_t min, resource_size_t max,
resource_size_t align, resource_size_t size,
unsigned char flags);
+
+static inline int pnp_option_is_dependent(struct pnp_option *option)
+{
+ return option->flags & PNP_OPTION_DEPENDENT ? 1 : 0;
+}
+
+static inline unsigned int pnp_option_set(struct pnp_option *option)
+{
+ return (option->flags >> PNP_OPTION_SET_SHIFT) & PNP_OPTION_SET_MASK;
+}
+
+static inline unsigned int pnp_option_priority(struct pnp_option *option)
+{
+ return (option->flags >> PNP_OPTION_PRIORITY_SHIFT) &
+ PNP_OPTION_PRIORITY_MASK;
+}
+
+static inline unsigned int pnp_new_dependent_set(struct pnp_dev *dev,
+ int priority)
+{
+ unsigned int flags;
+
+ if (priority > PNP_RES_PRIORITY_FUNCTIONAL) {
+ dev_warn(&dev->dev, "invalid dependent option priority %d "
+ "clipped to %d", priority,
+ PNP_RES_PRIORITY_INVALID);
+ priority = PNP_RES_PRIORITY_INVALID;
+ }
+
+ flags = PNP_OPTION_DEPENDENT |
+ ((dev->num_dependent_sets & PNP_OPTION_SET_MASK) <<
+ PNP_OPTION_SET_SHIFT) |
+ ((priority & PNP_OPTION_PRIORITY_MASK) <<
+ PNP_OPTION_PRIORITY_SHIFT);
+
+ dev->num_dependent_sets++;
+
+ return flags;
+}
+
+char *pnp_option_priority_name(struct pnp_option *option);
+void dbg_pnp_show_option(struct pnp_dev *dev, struct pnp_option *option);
+
void pnp_init_resources(struct pnp_dev *dev);
void pnp_fixup_device(struct pnp_dev *dev);
-void pnp_free_option(struct pnp_option *option);
+void pnp_free_options(struct pnp_dev *dev);
int __pnp_add_device(struct pnp_dev *dev);
void __pnp_remove_device(struct pnp_dev *dev);
diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c
index 7182da92aec3..a411582bcd72 100644
--- a/drivers/pnp/core.c
+++ b/drivers/pnp/core.c
@@ -118,10 +118,9 @@ static void pnp_release_device(struct device *dmdev)
{
struct pnp_dev *dev = to_pnp_dev(dmdev);
- pnp_free_option(dev->independent);
- pnp_free_option(dev->dependent);
pnp_free_ids(dev);
pnp_free_resources(dev);
+ pnp_free_options(dev);
kfree(dev);
}
@@ -135,6 +134,7 @@ struct pnp_dev *pnp_alloc_dev(struct pnp_protocol *protocol, int id, char *pnpid
return NULL;
INIT_LIST_HEAD(&dev->resources);
+ INIT_LIST_HEAD(&dev->options);
dev->protocol = protocol;
dev->number = id;
dev->dma_mask = DMA_24BIT_MASK;
diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c
index 7a9fb5544b80..a876ecf7028c 100644
--- a/drivers/pnp/interface.c
+++ b/drivers/pnp/interface.c
@@ -3,6 +3,8 @@
*
* Some code, especially possible resource dumping is based on isapnp_proc.c (c) Jaroslav Kysela <perex@perex.cz>
* Copyright 2002 Adam Belay <ambx1@neo.rr.com>
+ * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
+ * Bjorn Helgaas <bjorn.helgaas@hp.com>
*/
#include <linux/pnp.h>
@@ -184,39 +186,22 @@ static void pnp_print_mem(pnp_info_buffer_t * buffer, char *space,
}
static void pnp_print_option(pnp_info_buffer_t * buffer, char *space,
- struct pnp_option *option, int dep)
+ struct pnp_option *option)
{
- char *s;
- struct pnp_port *port;
- struct pnp_irq *irq;
- struct pnp_dma *dma;
- struct pnp_mem *mem;
-
- if (dep) {
- switch (option->priority) {
- case PNP_RES_PRIORITY_PREFERRED:
- s = "preferred";
- break;
- case PNP_RES_PRIORITY_ACCEPTABLE:
- s = "acceptable";
- break;
- case PNP_RES_PRIORITY_FUNCTIONAL:
- s = "functional";
- break;
- default:
- s = "invalid";
- }
- pnp_printf(buffer, "Dependent: %02i - Priority %s\n", dep, s);
+ switch (option->type) {
+ case IORESOURCE_IO:
+ pnp_print_port(buffer, space, &option->u.port);
+ break;
+ case IORESOURCE_MEM:
+ pnp_print_mem(buffer, space, &option->u.mem);
+ break;
+ case IORESOURCE_IRQ:
+ pnp_print_irq(buffer, space, &option->u.irq);
+ break;
+ case IORESOURCE_DMA:
+ pnp_print_dma(buffer, space, &option->u.dma);
+ break;
}
-
- for (port = option->port; port; port = port->next)
- pnp_print_port(buffer, space, port);
- for (irq = option->irq; irq; irq = irq->next)
- pnp_print_irq(buffer, space, irq);
- for (dma = option->dma; dma; dma = dma->next)
- pnp_print_dma(buffer, space, dma);
- for (mem = option->mem; mem; mem = mem->next)
- pnp_print_mem(buffer, space, mem);
}
static ssize_t pnp_show_options(struct device *dmdev,
@@ -224,9 +209,9 @@ static ssize_t pnp_show_options(struct device *dmdev,
{
struct pnp_dev *dev = to_pnp_dev(dmdev);
pnp_info_buffer_t *buffer;
- struct pnp_option *independent = dev->independent;
- struct pnp_option *dependent = dev->dependent;
- int ret, dep = 1;
+ struct pnp_option *option;
+ int ret, dep = 0, set = 0;
+ char *indent;
buffer = pnp_alloc(sizeof(pnp_info_buffer_t));
if (!buffer)
@@ -235,14 +220,24 @@ static ssize_t pnp_show_options(struct device *dmdev,
buffer->len = PAGE_SIZE;
buffer->buffer = buf;
buffer->curr = buffer->buffer;
- if (independent)
- pnp_print_option(buffer, "", independent, 0);
- while (dependent) {
- pnp_print_option(buffer, " ", dependent, dep);
- dependent = dependent->next;
- dep++;
+ list_for_each_entry(option, &dev->options, list) {
+ if (pnp_option_is_dependent(option)) {
+ indent = " ";
+ if (!dep || pnp_option_set(option) != set) {
+ set = pnp_option_set(option);
+ dep = 1;
+ pnp_printf(buffer, "Dependent: %02i - "
+ "Priority %s\n", set,
+ pnp_option_priority_name(option));
+ }
+ } else {
+ dep = 0;
+ indent = "";
+ }
+ pnp_print_option(buffer, indent, option);
}
+
ret = (buffer->curr - buf);
kfree(buffer);
return ret;
diff --git a/drivers/pnp/isapnp/core.c b/drivers/pnp/isapnp/core.c
index 53cc4d6133e6..101a835e8759 100644
--- a/drivers/pnp/isapnp/core.c
+++ b/drivers/pnp/isapnp/core.c
@@ -429,7 +429,7 @@ 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_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
int size)
{
unsigned char tmp[3];
@@ -446,27 +446,27 @@ static void __init isapnp_parse_irq_resource(struct pnp_dev *dev,
if (size > 2)
flags = tmp[2];
- pnp_register_irq_resource(dev, option, &map, flags);
+ pnp_register_irq_resource(dev, option_flags, &map, flags);
}
/*
* Add DMA resource to resources list.
*/
static void __init isapnp_parse_dma_resource(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
int size)
{
unsigned char tmp[2];
isapnp_peek(tmp, size);
- pnp_register_dma_resource(dev, option, tmp[0], tmp[1]);
+ pnp_register_dma_resource(dev, option_flags, tmp[0], tmp[1]);
}
/*
* Add port resource to resources list.
*/
static void __init isapnp_parse_port_resource(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
int size)
{
unsigned char tmp[7];
@@ -479,14 +479,15 @@ static void __init isapnp_parse_port_resource(struct pnp_dev *dev,
align = tmp[5];
len = tmp[6];
flags = tmp[0] ? IORESOURCE_IO_16BIT_ADDR : 0;
- pnp_register_port_resource(dev, option, min, max, align, len, flags);
+ pnp_register_port_resource(dev, option_flags,
+ min, max, align, len, flags);
}
/*
* Add fixed port resource to resources list.
*/
static void __init isapnp_parse_fixed_port_resource(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
int size)
{
unsigned char tmp[3];
@@ -495,7 +496,7 @@ static void __init isapnp_parse_fixed_port_resource(struct pnp_dev *dev,
isapnp_peek(tmp, size);
base = (tmp[1] << 8) | tmp[0];
len = tmp[2];
- pnp_register_port_resource(dev, option, base, base, 0, len,
+ pnp_register_port_resource(dev, option_flags, base, base, 0, len,
IORESOURCE_IO_FIXED);
}
@@ -503,7 +504,7 @@ static void __init isapnp_parse_fixed_port_resource(struct pnp_dev *dev,
* Add memory resource to resources list.
*/
static void __init isapnp_parse_mem_resource(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
int size)
{
unsigned char tmp[9];
@@ -516,14 +517,15 @@ static void __init isapnp_parse_mem_resource(struct pnp_dev *dev,
align = (tmp[6] << 8) | tmp[5];
len = ((tmp[8] << 8) | tmp[7]) << 8;
flags = tmp[0];
- pnp_register_mem_resource(dev, option, min, max, align, len, flags);
+ pnp_register_mem_resource(dev, option_flags,
+ min, max, align, len, flags);
}
/*
* Add 32-bit memory resource to resources list.
*/
static void __init isapnp_parse_mem32_resource(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
int size)
{
unsigned char tmp[17];
@@ -536,14 +538,15 @@ static void __init isapnp_parse_mem32_resource(struct pnp_dev *dev,
align = (tmp[12] << 24) | (tmp[11] << 16) | (tmp[10] << 8) | tmp[9];
len = (tmp[16] << 24) | (tmp[15] << 16) | (tmp[14] << 8) | tmp[13];
flags = tmp[0];
- pnp_register_mem_resource(dev, option, min, max, align, len, flags);
+ pnp_register_mem_resource(dev, option_flags,
+ min, max, align, len, flags);
}
/*
* Add 32-bit fixed memory resource to resources list.
*/
static void __init isapnp_parse_fixed_mem32_resource(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
int size)
{
unsigned char tmp[9];
@@ -554,7 +557,7 @@ static void __init isapnp_parse_fixed_mem32_resource(struct pnp_dev *dev,
base = (tmp[4] << 24) | (tmp[3] << 16) | (tmp[2] << 8) | tmp[1];
len = (tmp[8] << 24) | (tmp[7] << 16) | (tmp[6] << 8) | tmp[5];
flags = tmp[0];
- pnp_register_mem_resource(dev, option, base, base, 0, len, flags);
+ pnp_register_mem_resource(dev, option_flags, base, base, 0, len, flags);
}
/*
@@ -584,18 +587,14 @@ static int __init isapnp_create_device(struct pnp_card *card,
{
int number = 0, skip = 0, priority, compat = 0;
unsigned char type, tmp[17];
- struct pnp_option *option, *option_independent;
+ unsigned int option_flags;
struct pnp_dev *dev;
u32 eisa_id;
char id[8];
if ((dev = isapnp_parse_device(card, size, number++)) == NULL)
return 1;
- option_independent = option = pnp_register_independent_option(dev);
- if (!option) {
- kfree(dev);
- return 1;
- }
+ option_flags = 0;
pnp_add_card_device(card, dev);
while (1) {
@@ -612,12 +611,7 @@ static int __init isapnp_create_device(struct pnp_card *card,
return 1;
size = 0;
skip = 0;
- option = pnp_register_independent_option(dev);
- option_independent = option;
- if (!option) {
- kfree(dev);
- return 1;
- }
+ option_flags = 0;
pnp_add_card_device(card, dev);
} else {
skip = 1;
@@ -638,13 +632,13 @@ static int __init isapnp_create_device(struct pnp_card *card,
case _STAG_IRQ:
if (size < 2 || size > 3)
goto __skip;
- isapnp_parse_irq_resource(dev, option, size);
+ isapnp_parse_irq_resource(dev, option_flags, size);
size = 0;
break;
case _STAG_DMA:
if (size != 2)
goto __skip;
- isapnp_parse_dma_resource(dev, option, size);
+ isapnp_parse_dma_resource(dev, option_flags, size);
size = 0;
break;
case _STAG_STARTDEP:
@@ -656,29 +650,24 @@ static int __init isapnp_create_device(struct pnp_card *card,
priority = tmp[0];
size = 0;
}
- option = pnp_register_dependent_option(dev, priority);
- if (!option)
- return 1;
+ option_flags = pnp_new_dependent_set(dev, priority);
break;
case _STAG_ENDDEP:
if (size != 0)
goto __skip;
- if (option_independent == option)
- dev_warn(&dev->dev, "missing "
- "_STAG_STARTDEP tag\n");
- option = option_independent;
- dev_dbg(&dev->dev, "end dependent options\n");
+ option_flags = 0;
break;
case _STAG_IOPORT:
if (size != 7)
goto __skip;
- isapnp_parse_port_resource(dev, option, size);
+ isapnp_parse_port_resource(dev, option_flags, size);
size = 0;
break;
case _STAG_FIXEDIO:
if (size != 3)
goto __skip;
- isapnp_parse_fixed_port_resource(dev, option, size);
+ isapnp_parse_fixed_port_resource(dev, option_flags,
+ size);
size = 0;
break;
case _STAG_VENDOR:
@@ -686,7 +675,7 @@ static int __init isapnp_create_device(struct pnp_card *card,
case _LTAG_MEMRANGE:
if (size != 9)
goto __skip;
- isapnp_parse_mem_resource(dev, option, size);
+ isapnp_parse_mem_resource(dev, option_flags, size);
size = 0;
break;
case _LTAG_ANSISTR:
@@ -701,13 +690,14 @@ static int __init isapnp_create_device(struct pnp_card *card,
case _LTAG_MEM32RANGE:
if (size != 17)
goto __skip;
- isapnp_parse_mem32_resource(dev, option, size);
+ isapnp_parse_mem32_resource(dev, option_flags, size);
size = 0;
break;
case _LTAG_FIXEDMEM32RANGE:
if (size != 9)
goto __skip;
- isapnp_parse_fixed_mem32_resource(dev, option, size);
+ isapnp_parse_fixed_mem32_resource(dev, option_flags,
+ size);
size = 0;
break;
case _STAG_END:
diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c
index a20accb5ef8f..b526eaad3f6c 100644
--- a/drivers/pnp/manager.c
+++ b/drivers/pnp/manager.c
@@ -3,6 +3,8 @@
*
* based on isapnp.c resource management (c) Jaroslav Kysela <perex@perex.cz>
* Copyright 2003 Adam Belay <ambx1@neo.rr.com>
+ * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
+ * Bjorn Helgaas <bjorn.helgaas@hp.com>
*/
#include <linux/errno.h>
@@ -228,102 +230,51 @@ static void pnp_clean_resource_table(struct pnp_dev *dev)
/**
* pnp_assign_resources - assigns resources to the device based on the specified dependent number
* @dev: pointer to the desired device
- * @depnum: the dependent function number
- *
- * Only set depnum to 0 if the device does not have dependent options.
+ * @set: the dependent function number
*/
-static int pnp_assign_resources(struct pnp_dev *dev, int depnum)
+static int pnp_assign_resources(struct pnp_dev *dev, int set)
{
- struct pnp_port *port;
- struct pnp_mem *mem;
- struct pnp_irq *irq;
- struct pnp_dma *dma;
+ struct pnp_option *option;
int nport = 0, nmem = 0, nirq = 0, ndma = 0;
+ int ret = 0;
- dbg_pnp_show_resources(dev, "before pnp_assign_resources");
+ dev_dbg(&dev->dev, "pnp_assign_resources, try dependent set %d\n", set);
mutex_lock(&pnp_res_mutex);
pnp_clean_resource_table(dev);
- if (dev->independent) {
- dev_dbg(&dev->dev, "assigning independent options\n");
- port = dev->independent->port;
- mem = dev->independent->mem;
- irq = dev->independent->irq;
- dma = dev->independent->dma;
- while (port) {
- if (pnp_assign_port(dev, port, nport) < 0)
- goto fail;
- nport++;
- port = port->next;
- }
- while (mem) {
- if (pnp_assign_mem(dev, mem, nmem) < 0)
- goto fail;
- nmem++;
- mem = mem->next;
- }
- while (irq) {
- if (pnp_assign_irq(dev, irq, nirq) < 0)
- goto fail;
- nirq++;
- irq = irq->next;
- }
- while (dma) {
- if (pnp_assign_dma(dev, dma, ndma) < 0)
- goto fail;
- ndma++;
- dma = dma->next;
- }
- }
- if (depnum) {
- struct pnp_option *dep;
- int i;
-
- dev_dbg(&dev->dev, "assigning dependent option %d\n", depnum);
- for (i = 1, dep = dev->dependent; i < depnum;
- i++, dep = dep->next)
- if (!dep)
- goto fail;
- port = dep->port;
- mem = dep->mem;
- irq = dep->irq;
- dma = dep->dma;
- while (port) {
- if (pnp_assign_port(dev, port, nport) < 0)
- goto fail;
- nport++;
- port = port->next;
- }
- while (mem) {
- if (pnp_assign_mem(dev, mem, nmem) < 0)
- goto fail;
- nmem++;
- mem = mem->next;
- }
- while (irq) {
- if (pnp_assign_irq(dev, irq, nirq) < 0)
- goto fail;
- nirq++;
- irq = irq->next;
- }
- while (dma) {
- if (pnp_assign_dma(dev, dma, ndma) < 0)
- goto fail;
- ndma++;
- dma = dma->next;
+ list_for_each_entry(option, &dev->options, list) {
+ if (pnp_option_is_dependent(option) &&
+ pnp_option_set(option) != set)
+ continue;
+
+ switch (option->type) {
+ case IORESOURCE_IO:
+ ret = pnp_assign_port(dev, &option->u.port, nport++);
+ break;
+ case IORESOURCE_MEM:
+ ret = pnp_assign_mem(dev, &option->u.mem, nmem++);
+ break;
+ case IORESOURCE_IRQ:
+ ret = pnp_assign_irq(dev, &option->u.irq, nirq++);
+ break;
+ case IORESOURCE_DMA:
+ ret = pnp_assign_dma(dev, &option->u.dma, ndma++);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
}
- } else if (dev->dependent)
- goto fail;
-
- mutex_unlock(&pnp_res_mutex);
- dbg_pnp_show_resources(dev, "after pnp_assign_resources");
- return 1;
+ if (ret < 0)
+ break;
+ }
-fail:
- pnp_clean_resource_table(dev);
mutex_unlock(&pnp_res_mutex);
- dbg_pnp_show_resources(dev, "after pnp_assign_resources (failed)");
- return 0;
+ if (ret < 0) {
+ dev_dbg(&dev->dev, "pnp_assign_resources failed (%d)\n", ret);
+ pnp_clean_resource_table(dev);
+ } else
+ dbg_pnp_show_resources(dev, "pnp_assign_resources succeeded");
+ return ret;
}
/**
@@ -332,29 +283,25 @@ fail:
*/
int pnp_auto_config_dev(struct pnp_dev *dev)
{
- struct pnp_option *dep;
- int i = 1;
+ int i, ret;
if (!pnp_can_configure(dev)) {
dev_dbg(&dev->dev, "configuration not supported\n");
return -ENODEV;
}
- if (!dev->dependent) {
- if (pnp_assign_resources(dev, 0))
+ ret = pnp_assign_resources(dev, 0);
+ if (ret == 0)
+ return 0;
+
+ for (i = 1; i < dev->num_dependent_sets; i++) {
+ ret = pnp_assign_resources(dev, i);
+ if (ret == 0)
return 0;
- } else {
- dep = dev->dependent;
- do {
- if (pnp_assign_resources(dev, i))
- return 0;
- dep = dep->next;
- i++;
- } while (dep);
}
dev_err(&dev->dev, "unable to assign resources\n");
- return -EBUSY;
+ return ret;
}
/**
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index e114b3d2b933..c2f59f4d20bc 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -407,7 +407,7 @@ int pnpacpi_parse_allocated_resource(struct pnp_dev *dev)
}
static __init void pnpacpi_parse_dma_option(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
struct acpi_resource_dma *p)
{
int i;
@@ -420,11 +420,11 @@ static __init void pnpacpi_parse_dma_option(struct pnp_dev *dev,
map |= 1 << p->channels[i];
flags = dma_flags(p->type, p->bus_master, p->transfer);
- pnp_register_dma_resource(dev, option, map, flags);
+ pnp_register_dma_resource(dev, option_flags, map, flags);
}
static __init void pnpacpi_parse_irq_option(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
struct acpi_resource_irq *p)
{
int i;
@@ -440,11 +440,11 @@ static __init void pnpacpi_parse_irq_option(struct pnp_dev *dev,
__set_bit(p->interrupts[i], map.bits);
flags = irq_flags(p->triggering, p->polarity, p->sharable);
- pnp_register_irq_resource(dev, option, &map, flags);
+ pnp_register_irq_resource(dev, option_flags, &map, flags);
}
static __init void pnpacpi_parse_ext_irq_option(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
struct acpi_resource_extended_irq *p)
{
int i;
@@ -467,11 +467,11 @@ static __init void pnpacpi_parse_ext_irq_option(struct pnp_dev *dev,
}
flags = irq_flags(p->triggering, p->polarity, p->sharable);
- pnp_register_irq_resource(dev, option, &map, flags);
+ pnp_register_irq_resource(dev, option_flags, &map, flags);
}
static __init void pnpacpi_parse_port_option(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
struct acpi_resource_io *io)
{
unsigned char flags = 0;
@@ -481,23 +481,23 @@ static __init void pnpacpi_parse_port_option(struct pnp_dev *dev,
if (io->io_decode == ACPI_DECODE_16)
flags = IORESOURCE_IO_16BIT_ADDR;
- pnp_register_port_resource(dev, option, io->minimum, io->maximum,
+ pnp_register_port_resource(dev, option_flags, io->minimum, io->maximum,
io->alignment, io->address_length, flags);
}
static __init void pnpacpi_parse_fixed_port_option(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
struct acpi_resource_fixed_io *io)
{
if (io->address_length == 0)
return;
- pnp_register_port_resource(dev, option, io->address, io->address, 0,
- io->address_length, IORESOURCE_IO_FIXED);
+ pnp_register_port_resource(dev, option_flags, io->address, io->address,
+ 0, io->address_length, IORESOURCE_IO_FIXED);
}
static __init void pnpacpi_parse_mem24_option(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
struct acpi_resource_memory24 *p)
{
unsigned char flags = 0;
@@ -507,12 +507,12 @@ static __init void pnpacpi_parse_mem24_option(struct pnp_dev *dev,
if (p->write_protect == ACPI_READ_WRITE_MEMORY)
flags = IORESOURCE_MEM_WRITEABLE;
- pnp_register_mem_resource(dev, option, p->minimum, p->maximum,
+ pnp_register_mem_resource(dev, option_flags, p->minimum, p->maximum,
p->alignment, p->address_length, flags);
}
static __init void pnpacpi_parse_mem32_option(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
struct acpi_resource_memory32 *p)
{
unsigned char flags = 0;
@@ -522,12 +522,12 @@ static __init void pnpacpi_parse_mem32_option(struct pnp_dev *dev,
if (p->write_protect == ACPI_READ_WRITE_MEMORY)
flags = IORESOURCE_MEM_WRITEABLE;
- pnp_register_mem_resource(dev, option, p->minimum, p->maximum,
+ pnp_register_mem_resource(dev, option_flags, p->minimum, p->maximum,
p->alignment, p->address_length, flags);
}
static __init void pnpacpi_parse_fixed_mem32_option(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
struct acpi_resource_fixed_memory32 *p)
{
unsigned char flags = 0;
@@ -537,12 +537,12 @@ static __init void pnpacpi_parse_fixed_mem32_option(struct pnp_dev *dev,
if (p->write_protect == ACPI_READ_WRITE_MEMORY)
flags = IORESOURCE_MEM_WRITEABLE;
- pnp_register_mem_resource(dev, option, p->address, p->address,
+ pnp_register_mem_resource(dev, option_flags, p->address, p->address,
0, p->address_length, flags);
}
static __init void pnpacpi_parse_address_option(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
struct acpi_resource *r)
{
struct acpi_resource_address64 addr, *p = &addr;
@@ -562,18 +562,18 @@ static __init void pnpacpi_parse_address_option(struct pnp_dev *dev,
if (p->resource_type == ACPI_MEMORY_RANGE) {
if (p->info.mem.write_protect == ACPI_READ_WRITE_MEMORY)
flags = IORESOURCE_MEM_WRITEABLE;
- pnp_register_mem_resource(dev, option, p->minimum, p->minimum,
- 0, p->address_length, flags);
+ pnp_register_mem_resource(dev, option_flags, p->minimum,
+ p->minimum, 0, p->address_length,
+ flags);
} else if (p->resource_type == ACPI_IO_RANGE)
- pnp_register_port_resource(dev, option, p->minimum, p->minimum,
- 0, p->address_length,
+ pnp_register_port_resource(dev, option_flags, p->minimum,
+ p->minimum, 0, p->address_length,
IORESOURCE_IO_FIXED);
}
struct acpipnp_parse_option_s {
- struct pnp_option *option;
- struct pnp_option *option_independent;
struct pnp_dev *dev;
+ unsigned int option_flags;
};
static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res,
@@ -582,15 +582,15 @@ static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res,
int priority;
struct acpipnp_parse_option_s *parse_data = data;
struct pnp_dev *dev = parse_data->dev;
- struct pnp_option *option = parse_data->option;
+ unsigned int option_flags = parse_data->option_flags;
switch (res->type) {
case ACPI_RESOURCE_TYPE_IRQ:
- pnpacpi_parse_irq_option(dev, option, &res->data.irq);
+ pnpacpi_parse_irq_option(dev, option_flags, &res->data.irq);
break;
case ACPI_RESOURCE_TYPE_DMA:
- pnpacpi_parse_dma_option(dev, option, &res->data.dma);
+ pnpacpi_parse_dma_option(dev, option_flags, &res->data.dma);
break;
case ACPI_RESOURCE_TYPE_START_DEPENDENT:
@@ -610,31 +610,19 @@ static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res,
priority = PNP_RES_PRIORITY_INVALID;
break;
}
- /* TBD: Consider performance/robustness bits */
- option = pnp_register_dependent_option(dev, priority);
- if (!option)
- return AE_ERROR;
- parse_data->option = option;
+ parse_data->option_flags = pnp_new_dependent_set(dev, priority);
break;
case ACPI_RESOURCE_TYPE_END_DEPENDENT:
- /*only one EndDependentFn is allowed */
- if (!parse_data->option_independent) {
- dev_warn(&dev->dev, "more than one EndDependentFn "
- "in _PRS\n");
- return AE_ERROR;
- }
- parse_data->option = parse_data->option_independent;
- parse_data->option_independent = NULL;
- dev_dbg(&dev->dev, "end dependent options\n");
+ parse_data->option_flags = 0;
break;
case ACPI_RESOURCE_TYPE_IO:
- pnpacpi_parse_port_option(dev, option, &res->data.io);
+ pnpacpi_parse_port_option(dev, option_flags, &res->data.io);
break;
case ACPI_RESOURCE_TYPE_FIXED_IO:
- pnpacpi_parse_fixed_port_option(dev, option,
+ pnpacpi_parse_fixed_port_option(dev, option_flags,
&res->data.fixed_io);
break;
@@ -643,29 +631,31 @@ static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res,
break;
case ACPI_RESOURCE_TYPE_MEMORY24:
- pnpacpi_parse_mem24_option(dev, option, &res->data.memory24);
+ pnpacpi_parse_mem24_option(dev, option_flags,
+ &res->data.memory24);
break;
case ACPI_RESOURCE_TYPE_MEMORY32:
- pnpacpi_parse_mem32_option(dev, option, &res->data.memory32);
+ pnpacpi_parse_mem32_option(dev, option_flags,
+ &res->data.memory32);
break;
case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
- pnpacpi_parse_fixed_mem32_option(dev, option,
+ pnpacpi_parse_fixed_mem32_option(dev, option_flags,
&res->data.fixed_memory32);
break;
case ACPI_RESOURCE_TYPE_ADDRESS16:
case ACPI_RESOURCE_TYPE_ADDRESS32:
case ACPI_RESOURCE_TYPE_ADDRESS64:
- pnpacpi_parse_address_option(dev, option, res);
+ pnpacpi_parse_address_option(dev, option_flags, res);
break;
case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
break;
case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
- pnpacpi_parse_ext_irq_option(dev, option,
+ pnpacpi_parse_ext_irq_option(dev, option_flags,
&res->data.extended_irq);
break;
@@ -689,12 +679,9 @@ int __init pnpacpi_parse_resource_option_data(struct pnp_dev *dev)
dev_dbg(&dev->dev, "parse resource options\n");
- parse_data.option = pnp_register_independent_option(dev);
- if (!parse_data.option)
- return -ENOMEM;
-
- parse_data.option_independent = parse_data.option;
parse_data.dev = dev;
+ parse_data.option_flags = 0;
+
status = acpi_walk_resources(handle, METHOD_NAME__PRS,
pnpacpi_option_resource, &parse_data);
diff --git a/drivers/pnp/pnpbios/rsparser.c b/drivers/pnp/pnpbios/rsparser.c
index db23ba78d39c..ca567671379e 100644
--- a/drivers/pnp/pnpbios/rsparser.c
+++ b/drivers/pnp/pnpbios/rsparser.c
@@ -216,7 +216,7 @@ len_err:
static __init void pnpbios_parse_mem_option(struct pnp_dev *dev,
unsigned char *p, int size,
- struct pnp_option *option)
+ unsigned int option_flags)
{
resource_size_t min, max, align, len;
unsigned char flags;
@@ -226,12 +226,13 @@ static __init void pnpbios_parse_mem_option(struct pnp_dev *dev,
align = (p[9] << 8) | p[8];
len = ((p[11] << 8) | p[10]) << 8;
flags = p[3];
- pnp_register_mem_resource(dev, option, min, max, align, len, flags);
+ pnp_register_mem_resource(dev, option_flags, min, max, align, len,
+ flags);
}
static __init void pnpbios_parse_mem32_option(struct pnp_dev *dev,
unsigned char *p, int size,
- struct pnp_option *option)
+ unsigned int option_flags)
{
resource_size_t min, max, align, len;
unsigned char flags;
@@ -241,12 +242,13 @@ static __init void pnpbios_parse_mem32_option(struct pnp_dev *dev,
align = (p[15] << 24) | (p[14] << 16) | (p[13] << 8) | p[12];
len = (p[19] << 24) | (p[18] << 16) | (p[17] << 8) | p[16];
flags = p[3];
- pnp_register_mem_resource(dev, option, min, max, align, len, flags);
+ pnp_register_mem_resource(dev, option_flags, min, max, align, len,
+ flags);
}
static __init void pnpbios_parse_fixed_mem32_option(struct pnp_dev *dev,
unsigned char *p, int size,
- struct pnp_option *option)
+ unsigned int option_flags)
{
resource_size_t base, len;
unsigned char flags;
@@ -254,12 +256,12 @@ static __init void pnpbios_parse_fixed_mem32_option(struct pnp_dev *dev,
base = (p[7] << 24) | (p[6] << 16) | (p[5] << 8) | p[4];
len = (p[11] << 24) | (p[10] << 16) | (p[9] << 8) | p[8];
flags = p[3];
- pnp_register_