diff options
| -rw-r--r-- | arch/i386/kernel/acpi/boot.c | 6 | ||||
| -rw-r--r-- | arch/ia64/kernel/acpi.c | 6 | ||||
| -rw-r--r-- | arch/ia64/kernel/iosapic.c | 24 | ||||
| -rw-r--r-- | drivers/acpi/Kconfig | 8 | ||||
| -rw-r--r-- | drivers/acpi/pci_irq.c | 9 | ||||
| -rw-r--r-- | drivers/acpi/pci_link.c | 3 | ||||
| -rw-r--r-- | drivers/acpi/video.c | 7 | ||||
| -rw-r--r-- | drivers/char/hpet.c | 8 | ||||
| -rw-r--r-- | drivers/pnp/pnpacpi/rsparser.c | 2 | ||||
| -rw-r--r-- | drivers/serial/8250_acpi.c | 20 | ||||
| -rw-r--r-- | include/asm-ia64/acpi-ext.h | 1 | ||||
| -rw-r--r-- | include/linux/acpi.h | 24 |
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*/ |
