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powerpc/powernv: Fix little endian issues in OPAL dump code 

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Anton Blanchard 2014-04-22 15:01:27 +10:00 committed by Benjamin Herrenschmidt
parent 3441f04b4b
commit 2d6b63bbdd
2 changed files with 11 additions and 6 deletions
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4
arch/powerpc/include/asm/opal.h
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@ -868,8 +868,8 @@ int64_t opal_validate_flash(uint64_t buffer, uint32_t *size, uint32_t *result);
int64_t opal_manage_flash(uint8_t op);
int64_t opal_update_flash(uint64_t blk_list);
int64_t opal_dump_init(uint8_t dump_type);
int64_t opal_dump_info(uint32_t *dump_id, uint32_t *dump_size);
int64_t opal_dump_info2(uint32_t *dump_id, uint32_t *dump_size, uint32_t *dump_type);
int64_t opal_dump_info(__be32 *dump_id, __be32 *dump_size);
int64_t opal_dump_info2(__be32 *dump_id, __be32 *dump_size, __be32 *dump_type);
int64_t opal_dump_read(uint32_t dump_id, uint64_t buffer);
int64_t opal_dump_ack(uint32_t dump_id);
int64_t opal_dump_resend_notification(void);

13
arch/powerpc/platforms/powernv/opal-dump.c
View File

@ -209,15 +209,20 @@ static struct kobj_type dump_ktype = {
.default_attrs = dump_default_attrs,
};
static int64_t dump_read_info(uint32_t *id, uint32_t *size, uint32_t *type)
static int64_t dump_read_info(uint32_t *dump_id, uint32_t *dump_size, uint32_t *dump_type)
{
__be32 id, size, type;
int rc;
*type = 0xffffffff;
rc = opal_dump_info2(id, size, type);
type = cpu_to_be32(0xffffffff);
rc = opal_dump_info2(&id, &size, &type);
if (rc == OPAL_PARAMETER)
rc = opal_dump_info(id, size);
rc = opal_dump_info(&id, &size);
*dump_id = be32_to_cpu(id);
*dump_size = be32_to_cpu(size);
*dump_type = be32_to_cpu(type);
if (rc)
pr_warn("%s: Failed to get dump info (%d)\n",