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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
commite5fd91f1ef340da553f7a79da9540c3db711c937 (patch)
treeb11842027dc6641da63f4bcc524f8678263304a3 /arch/x86/kernel/acpi/boot.c
parent2a9b0348e685a63d97486f6749622b61e9e3292f (diff)
Linux-libre 4.2-gnu
Diffstat (limited to 'arch/x86/kernel/acpi/boot.c')
-rw-r--r--arch/x86/kernel/acpi/boot.c109
1 files changed, 22 insertions, 87 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index bde7a2dc5..e49ee24da 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -31,12 +31,12 @@
#include <linux/module.h>
#include <linux/dmi.h>
#include <linux/irq.h>
-#include <linux/irqdomain.h>
#include <linux/slab.h>
#include <linux/bootmem.h>
#include <linux/ioport.h>
#include <linux/pci.h>
+#include <asm/irqdomain.h>
#include <asm/pci_x86.h>
#include <asm/pgtable.h>
#include <asm/io_apic.h>
@@ -400,57 +400,13 @@ static int mp_config_acpi_gsi(struct device *dev, u32 gsi, int trigger,
return 0;
}
-static int mp_register_gsi(struct device *dev, u32 gsi, int trigger,
- int polarity)
-{
- int irq, node;
-
- if (acpi_irq_model != ACPI_IRQ_MODEL_IOAPIC)
- return gsi;
-
- trigger = trigger == ACPI_EDGE_SENSITIVE ? 0 : 1;
- polarity = polarity == ACPI_ACTIVE_HIGH ? 0 : 1;
- node = dev ? dev_to_node(dev) : NUMA_NO_NODE;
- if (mp_set_gsi_attr(gsi, trigger, polarity, node)) {
- pr_warn("Failed to set pin attr for GSI%d\n", gsi);
- return -1;
- }
-
- irq = mp_map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC);
- if (irq < 0)
- return irq;
-
- /* Don't set up the ACPI SCI because it's already set up */
- if (enable_update_mptable && acpi_gbl_FADT.sci_interrupt != gsi)
- mp_config_acpi_gsi(dev, gsi, trigger, polarity);
-
- return irq;
-}
-
-static void mp_unregister_gsi(u32 gsi)
-{
- int irq;
-
- if (acpi_irq_model != ACPI_IRQ_MODEL_IOAPIC)
- return;
-
- irq = mp_map_gsi_to_irq(gsi, 0);
- if (irq > 0)
- mp_unmap_irq(irq);
-}
-
-static struct irq_domain_ops acpi_irqdomain_ops = {
- .map = mp_irqdomain_map,
- .unmap = mp_irqdomain_unmap,
-};
-
static int __init
acpi_parse_ioapic(struct acpi_subtable_header * header, const unsigned long end)
{
struct acpi_madt_io_apic *ioapic = NULL;
struct ioapic_domain_cfg cfg = {
.type = IOAPIC_DOMAIN_DYNAMIC,
- .ops = &acpi_irqdomain_ops,
+ .ops = &mp_ioapic_irqdomain_ops,
};
ioapic = (struct acpi_madt_io_apic *)header;
@@ -652,7 +608,7 @@ static int acpi_register_gsi_pic(struct device *dev, u32 gsi,
* Make sure all (legacy) PCI IRQs are set as level-triggered.
*/
if (trigger == ACPI_LEVEL_SENSITIVE)
- eisa_set_level_irq(gsi);
+ elcr_set_level_irq(gsi);
#endif
return gsi;
@@ -663,10 +619,21 @@ static int acpi_register_gsi_ioapic(struct device *dev, u32 gsi,
int trigger, int polarity)
{
int irq = gsi;
-
#ifdef CONFIG_X86_IO_APIC
+ int node;
+ struct irq_alloc_info info;
+
+ node = dev ? dev_to_node(dev) : NUMA_NO_NODE;
+ trigger = trigger == ACPI_EDGE_SENSITIVE ? 0 : 1;
+ polarity = polarity == ACPI_ACTIVE_HIGH ? 0 : 1;
+ ioapic_set_alloc_attr(&info, node, trigger, polarity);
+
mutex_lock(&acpi_ioapic_lock);
- irq = mp_register_gsi(dev, gsi, trigger, polarity);
+ irq = mp_map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC, &info);
+ /* Don't set up the ACPI SCI because it's already set up */
+ if (irq >= 0 && enable_update_mptable &&
+ acpi_gbl_FADT.sci_interrupt != gsi)
+ mp_config_acpi_gsi(dev, gsi, trigger, polarity);
mutex_unlock(&acpi_ioapic_lock);
#endif
@@ -676,8 +643,12 @@ static int acpi_register_gsi_ioapic(struct device *dev, u32 gsi,
static void acpi_unregister_gsi_ioapic(u32 gsi)
{
#ifdef CONFIG_X86_IO_APIC
+ int irq;
+
mutex_lock(&acpi_ioapic_lock);
- mp_unregister_gsi(gsi);
+ irq = mp_map_gsi_to_irq(gsi, 0, NULL);
+ if (irq > 0)
+ mp_unmap_irq(irq);
mutex_unlock(&acpi_ioapic_lock);
#endif
}
@@ -786,7 +757,7 @@ int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base)
u64 addr;
struct ioapic_domain_cfg cfg = {
.type = IOAPIC_DOMAIN_DYNAMIC,
- .ops = &acpi_irqdomain_ops,
+ .ops = &mp_ioapic_irqdomain_ops,
};
ioapic_id = acpi_get_ioapic_id(handle, gsi_base, &addr);
@@ -1432,42 +1403,6 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"),
},
},
- /* ThinkPad Edge 11 (AMD) */
- {
- .callback = dmi_ignore_irq0_timer_override,
- .ident = "ThinkPad Edge",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
- DMI_MATCH(DMI_PRODUCT_NAME, "254523U"),
- },
- },
- /* ThinkPad Edge 13 (AMD) */
- {
- .callback = dmi_ignore_irq0_timer_override,
- .ident = "ThinkPad Edge",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
- DMI_MATCH(DMI_PRODUCT_NAME, "022120U"),
- },
- },
- /* ThinkPad Edge 14 (AMD) */
- {
- .callback = dmi_ignore_irq0_timer_override,
- .ident = "ThinkPad Edge",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
- DMI_MATCH(DMI_PRODUCT_NAME, "019923U"),
- },
- },
- /* ThinkPad Edge 15 (AMD) */
- {
- .callback = dmi_ignore_irq0_timer_override,
- .ident = "ThinkPad Edge",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
- DMI_MATCH(DMI_PRODUCT_NAME, "030222U"),
- },
- },
{}
};