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Merge branch 'acpi-init'

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* acpi-init:
  clocksource: cosmetic: Drop OF 'dependency' from symbols
  clocksource / arm_arch_timer: Convert to ACPI probing
  clocksource: Add new CLKSRC_{PROBE,ACPI} config symbols
  clocksource / ACPI: Add probing infrastructure for ACPI-based clocksources
  irqchip / GIC: Convert the GIC driver to ACPI probing
  irqchip / ACPI: Add probing infrastructure for ACPI-based irqchips
  ACPI: Add early device probing infrastructure
This commit is contained in:
Rafael J. Wysocki 2015-10-25 22:55:14 +01:00
commit e3ed766b49
32 changed files with 209 additions and 159 deletions
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39
drivers/acpi/scan.c
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@ -1913,3 +1913,42 @@ int __init acpi_scan_init(void)
mutex_unlock(&acpi_scan_lock);
return result;
}
static struct acpi_probe_entry *ape;
static int acpi_probe_count;
static DEFINE_SPINLOCK(acpi_probe_lock);
static int __init acpi_match_madt(struct acpi_subtable_header *header,
const unsigned long end)
{
if (!ape->subtable_valid || ape->subtable_valid(header, ape))
if (!ape->probe_subtbl(header, end))
acpi_probe_count++;
return 0;
}
int __init __acpi_probe_device_table(struct acpi_probe_entry *ap_head, int nr)
{
int count = 0;
if (acpi_disabled)
return 0;
spin_lock(&acpi_probe_lock);
for (ape = ap_head; nr; ape++, nr--) {
if (ACPI_COMPARE_NAME(ACPI_SIG_MADT, ape->id)) {
acpi_probe_count = 0;
acpi_table_parse_madt(ape->type, acpi_match_madt, 0);
count += acpi_probe_count;
} else {
int res;
res = acpi_table_parse(ape->id, ape->probe_table);
if (!res)
count++;
}
}
spin_unlock(&acpi_probe_lock);
return count;
}