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-rw-r--r--arch/i386/kernel/acpi/boot.c6
-rw-r--r--arch/ia64/kernel/acpi.c6
-rw-r--r--arch/ia64/kernel/iosapic.c24
-rw-r--r--drivers/acpi/Kconfig8
-rw-r--r--drivers/acpi/pci_irq.c9
-rw-r--r--drivers/acpi/pci_link.c3
-rw-r--r--drivers/acpi/video.c7
-rw-r--r--drivers/char/hpet.c8
-rw-r--r--drivers/pnp/pnpacpi/rsparser.c2
-rw-r--r--drivers/serial/8250_acpi.c20
-rw-r--r--include/asm-ia64/acpi-ext.h1
-rw-r--r--include/linux/acpi.h24
12 files changed, 81 insertions, 37 deletions
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index b7808a8..55c0fbd 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -484,7 +484,11 @@ int acpi_gsi_to_irq(u32 gsi, unsigned int *irq)
return 0;
}
-unsigned int acpi_register_gsi(u32 gsi, int edge_level, int active_high_low)
+/*
+ * success: return IRQ number (>=0)
+ * failure: return < 0
+ */
+int acpi_register_gsi(u32 gsi, int edge_level, int active_high_low)
{
unsigned int irq;
unsigned int plat_gsi = gsi;
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 9609f24..d362ecf 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -563,7 +563,11 @@ acpi_numa_arch_fixup (void)
}
#endif /* CONFIG_ACPI_NUMA */
-unsigned int
+/*
+ * success: return IRQ number (>=0)
+ * failure: return < 0
+ */
+int
acpi_register_gsi (u32 gsi, int edge_level, int active_high_low)
{
if (has_8259 && gsi < 16)
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 7936b62..8f53915 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -561,7 +561,7 @@ static inline int vector_is_shared (int vector)
return (iosapic_intr_info[vector].count > 1);
}
-static void
+static int
register_intr (unsigned int gsi, int vector, unsigned char delivery,
unsigned long polarity, unsigned long trigger)
{
@@ -576,7 +576,7 @@ register_intr (unsigned int gsi, int vector, unsigned char delivery,
index = find_iosapic(gsi);
if (index < 0) {
printk(KERN_WARNING "%s: No IOSAPIC for GSI %u\n", __FUNCTION__, gsi);
- return;
+ return -ENODEV;
}
iosapic_address = iosapic_lists[index].addr;
@@ -587,7 +587,7 @@ register_intr (unsigned int gsi, int vector, unsigned char delivery,
rte = iosapic_alloc_rte();
if (!rte) {
printk(KERN_WARNING "%s: cannot allocate memory\n", __FUNCTION__);
- return;
+ return -ENOMEM;
}
rte_index = gsi - gsi_base;
@@ -603,7 +603,7 @@ register_intr (unsigned int gsi, int vector, unsigned char delivery,
struct iosapic_intr_info *info = &iosapic_intr_info[vector];
if (info->trigger != trigger || info->polarity != polarity) {
printk (KERN_WARNING "%s: cannot override the interrupt\n", __FUNCTION__);
- return;
+ return -EINVAL;
}
}
@@ -623,6 +623,7 @@ register_intr (unsigned int gsi, int vector, unsigned char delivery,
__FUNCTION__, vector, idesc->handler->typename, irq_type->typename);
idesc->handler = irq_type;
}
+ return 0;
}
static unsigned int
@@ -710,7 +711,7 @@ int
iosapic_register_intr (unsigned int gsi,
unsigned long polarity, unsigned long trigger)
{
- int vector, mask = 1;
+ int vector, mask = 1, err;
unsigned int dest;
unsigned long flags;
struct iosapic_rte_info *rte;
@@ -734,11 +735,11 @@ again:
spin_unlock_irqrestore(&iosapic_lock, flags);
/* If vector is running out, we try to find a sharable vector */
- vector = assign_irq_vector(AUTO_ASSIGN);
+ vector = assign_irq_vector_nopanic(AUTO_ASSIGN);
if (vector < 0) {
vector = iosapic_find_sharable_vector(trigger, polarity);
- if (vector < 0)
- panic("%s: out of interrupt vectors!\n", __FUNCTION__);
+ if (vector < 0)
+ Return -ENOSPC;
}
spin_lock_irqsave(&irq_descp(vector)->lock, flags);
@@ -753,8 +754,13 @@ again:
}
dest = get_target_cpu(gsi, vector);
- register_intr(gsi, vector, IOSAPIC_LOWEST_PRIORITY,
+ err = register_intr(gsi, vector, IOSAPIC_LOWEST_PRIORITY,
polarity, trigger);
+ if (err < 0) {
+ spin_unlock(&iosapic_lock);
+ spin_unlock_irqrestore(&irq_descp(vector)->lock, flags);
+ return err;
+ }
/*
* If the vector is shared and already unmasked for
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index ba13896..66c6098 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -154,12 +154,10 @@ config ACPI_PROCESSOR
support it.
config ACPI_HOTPLUG_CPU
- bool "Processor Hotplug (EXPERIMENTAL)"
- depends on ACPI_PROCESSOR && HOTPLUG_CPU && EXPERIMENTAL
+ bool
+ depends on ACPI_PROCESSOR && HOTPLUG_CPU
select ACPI_CONTAINER
- default n
- ---help---
- Select this option if your platform support physical CPU hotplug.
+ default y
config ACPI_THERMAL
tristate "Thermal Zone"
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index bb973d2..c885300 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -424,6 +424,7 @@ acpi_pci_irq_enable (
int edge_level = ACPI_LEVEL_SENSITIVE;
int active_high_low = ACPI_ACTIVE_LOW;
char *link = NULL;
+ int rc;
ACPI_FUNCTION_TRACE("acpi_pci_irq_enable");
@@ -476,7 +477,13 @@ acpi_pci_irq_enable (
}
}
- dev->irq = acpi_register_gsi(irq, edge_level, active_high_low);
+ rc = acpi_register_gsi(irq, edge_level, active_high_low);
+ if (rc < 0) {
+ printk(KERN_WARNING PREFIX "PCI Interrupt %s[%c]: failed "
+ "to register GSI\n", pci_name(dev), ('A' + pin));
+ return_VALUE(rc);
+ }
+ dev->irq = rc;
printk(KERN_INFO PREFIX "PCI Interrupt %s[%c] -> ",
pci_name(dev), 'A' + pin);
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index 834c2ce..26aa382 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -804,8 +804,7 @@ acpi_pci_link_resume(
*/
int acpi_in_resume;
static int
-irqrouter_resume(
- struct sys_device *dev)
+irqrouter_resume(struct sys_device *dev)
{
struct list_head *node = NULL;
struct acpi_pci_link *link = NULL;
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 2cf264f..7b10a7b 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -1665,6 +1665,7 @@ static int
acpi_video_bus_put_one_device(
struct acpi_video_device *device)
{
+ acpi_status status;
struct acpi_video_bus *video;
ACPI_FUNCTION_TRACE("acpi_video_bus_put_one_device");
@@ -1679,6 +1680,12 @@ acpi_video_bus_put_one_device(
up(&video->sem);
acpi_video_device_remove_fs(device->dev);
+ status = acpi_remove_notify_handler(device->handle,
+ ACPI_DEVICE_NOTIFY, acpi_video_device_notify);
+ if (ACPI_FAILURE(status))
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Error removing notify handler\n"));
+
return_VALUE(0);
}
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 762fa43..97feb7f 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -906,11 +906,15 @@ static acpi_status hpet_resources(struct acpi_resource *res, void *data)
if (irqp->number_of_interrupts > 0) {
hdp->hd_nirqs = irqp->number_of_interrupts;
- for (i = 0; i < hdp->hd_nirqs; i++)
- hdp->hd_irq[i] =
+ for (i = 0; i < hdp->hd_nirqs; i++) {
+ int rc =
acpi_register_gsi(irqp->interrupts[i],
irqp->edge_level,
irqp->active_high_low);
+ if (rc < 0)
+ return AE_ERROR;
+ hdp->hd_irq[i] = rc;
+ }
}
}
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 75575f6..1e296cb 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -81,7 +81,7 @@ pnpacpi_parse_allocated_irqresource(struct pnp_resource_table * res, int irq)
i++;
if (i < PNP_MAX_IRQ) {
res->irq_resource[i].flags = IORESOURCE_IRQ; //Also clears _UNSET flag
- if (irq == -1) {
+ if (irq < 0) {
res->irq_resource[i].flags |= IORESOURCE_DISABLED;
return;
}
diff --git a/drivers/serial/8250_acpi.c b/drivers/serial/8250_acpi.c
index 6b9ead2..a802bdc 100644
--- a/drivers/serial/8250_acpi.c
+++ b/drivers/serial/8250_acpi.c
@@ -47,18 +47,30 @@ static acpi_status acpi_serial_port(struct uart_port *port,
static acpi_status acpi_serial_ext_irq(struct uart_port *port,
struct acpi_resource_ext_irq *ext_irq)
{
- if (ext_irq->number_of_interrupts > 0)
- port->irq = acpi_register_gsi(ext_irq->interrupts[0],
+ int rc;
+
+ if (ext_irq->number_of_interrupts > 0) {
+ rc = acpi_register_gsi(ext_irq->interrupts[0],
ext_irq->edge_level, ext_irq->active_high_low);
+ if (rc < 0)
+ return AE_ERROR;
+ port->irq = rc;
+ }
return AE_OK;
}
static acpi_status acpi_serial_irq(struct uart_port *port,
struct acpi_resource_irq *irq)
{
- if (irq->number_of_interrupts > 0)
- port->irq = acpi_register_gsi(irq->interrupts[0],
+ int rc;
+
+ if (irq->number_of_interrupts > 0) {
+ rc = acpi_register_gsi(irq->interrupts[0],
irq->edge_level, irq->active_high_low);
+ if (rc < 0)
+ return AE_ERROR;
+ port->irq = rc;
+ }
return AE_OK;
}
diff --git a/include/asm-ia64/acpi-ext.h b/include/asm-ia64/acpi-ext.h
index 9271d74..56d2ddc 100644
--- a/include/asm-ia64/acpi-ext.h
+++ b/include/asm-ia64/acpi-ext.h
@@ -11,6 +11,7 @@
#define _ASM_IA64_ACPI_EXT_H
#include <linux/types.h>
+#include <acpi/actypes.h>
extern acpi_status hp_acpi_csr_space (acpi_handle, u64 *base, u64 *length);
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index b46a520..fd48db3 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -433,19 +433,9 @@ extern int sbf_port ;
#define acpi_mp_config 0
-static inline int acpi_boot_init(void)
-{
- return 0;
-}
-
-static inline int acpi_boot_table_init(void)
-{
- return 0;
-}
-
#endif /*!CONFIG_ACPI_BOOT*/
-unsigned int acpi_register_gsi (u32 gsi, int edge_level, int active_high_low);
+int acpi_register_gsi (u32 gsi, int edge_level, int active_high_low);
int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
/*
@@ -549,5 +539,17 @@ static inline int acpi_get_pxm(acpi_handle handle)
extern int pnpacpi_disabled;
+#else /* CONFIG_ACPI */
+
+static inline int acpi_boot_init(void)
+{
+ return 0;
+}
+
+static inline int acpi_boot_table_init(void)
+{
+ return 0;
+}
+
#endif /* CONFIG_ACPI */
#endif /*_LINUX_ACPI_H*/
generated by cgit v0.10.2 at 2024-11-15 19:05:34 (GMT)