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Subject[PATCH 03/14] x86, ACPI: store override acpi tables phys addr
Date
As later 32bit only find table with phys address during 32bit flat mode
in head_32.S.

To keep 32bit and 64 bit consistent, use phys_addr for all.

Use early_ioremap to access during copying.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Thomas Renninger <trenn@suse.de>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: linux-acpi@vger.kernel.org
---
drivers/acpi/osl.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index b9d2ff0..60317ea 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -616,7 +616,7 @@ void __init acpi_initrd_override_find(void *data, size_t size)
table->signature, cpio_path, file.name, table->length);

all_tables_size += table->length;
- early_initrd_files[table_nr].data = file.data;
+ early_initrd_files[table_nr].data = (void *)__pa(file.data);
early_initrd_files[table_nr].size = file.size;
table_nr++;
}
@@ -625,7 +625,7 @@ void __init acpi_initrd_override_find(void *data, size_t size)
void __init acpi_initrd_override_copy(void)
{
int no, total_offset = 0;
- char *p;
+ char *p, *q;

if (!table_nr)
return;
@@ -654,10 +654,13 @@ void __init acpi_initrd_override_copy(void)
arch_reserve_mem_area(acpi_tables_addr, all_tables_size);

for (no = 0; no < table_nr; no++) {
- size_t size = early_initrd_files[no].size;
+ unsigned long size = early_initrd_files[no].size;

p = early_ioremap(acpi_tables_addr + total_offset, size);
- memcpy(p, early_initrd_files[no].data, size);
+ q = early_ioremap((unsigned long)early_initrd_files[no].data,
+ size);
+ memcpy(p, q, size);
+ early_iounmap(q, size);
early_iounmap(p, size);
total_offset += size;
}
--
1.7.10.4


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