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x86: acpi: Return table length in acpi_create_madt_lapics()

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Like other MADT table write routines, make acpi_create_madt_lapics()
return how many bytes it has written instead of the table end addr.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2016-05-07 07:46:30 -07:00
parent 9e70a11622
commit fc4f5cccd8
2 changed files with 6 additions and 4 deletions
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2
arch/x86/include/asm/acpi_table.h
View file

@ -301,7 +301,7 @@ struct acpi_mcfg_mmconfig {
void acpi_fill_header(struct acpi_table_header *header, char *signature);
void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
void *dsdt);
u32 acpi_create_madt_lapics(u32 current);
int acpi_create_madt_lapics(u32 current);
int acpi_create_madt_ioapic(struct acpi_madt_ioapic *ioapic, u8 id,
u32 addr, u32 gsi_base);
int acpi_create_madt_irqoverride(struct acpi_madt_irqoverride *irqoverride,

8
arch/x86/lib/acpi_table.c
View file

@ -179,21 +179,23 @@ static int acpi_create_madt_lapic(struct acpi_madt_lapic *lapic,
return lapic->length;
}
u32 acpi_create_madt_lapics(u32 current)
int acpi_create_madt_lapics(u32 current)
{
struct udevice *dev;
int length = 0;
for (uclass_find_first_device(UCLASS_CPU, &dev);
dev;
uclass_find_next_device(&dev)) {
struct cpu_platdata *plat = dev_get_parent_platdata(dev);
current += acpi_create_madt_lapic(
length += acpi_create_madt_lapic(
(struct acpi_madt_lapic *)current,
plat->cpu_id, plat->cpu_id);
current += length;
}
return current;
return length;
}
int acpi_create_madt_ioapic(struct acpi_madt_ioapic *ioapic, u8 id,