The first parameter of efi_add_runtime_mmio() is a pointer to a
pointer. This should be reflected both in the signature and in the
documentation.
Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
---
v2
Correct the commit message and title. This patch changes
efi_add_runtime_mmio().
---
include/efi_loader.h | 2 +-
lib/efi_loader/efi_runtime.c | 5 +++--
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/include/efi_loader.h b/include/efi_loader.h
index 53f08161ab..0581c0940d 100644
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -483,7 +483,7 @@ void __efi_runtime efi_update_table_header_crc32(struct
efi_table_hdr *table);
/* Call this with mmio_ptr as the _pointer_ to a pointer to an MMIO region
* to make it available at runtime */
-efi_status_t efi_add_runtime_mmio(void *mmio_ptr, u64 len);
+efi_status_t efi_add_runtime_mmio(void **mmio_ptr, u64 len);
/* Boards may provide the functions below to implement RTS functionality */
diff --git a/lib/efi_loader/efi_runtime.c b/lib/efi_loader/efi_runtime.c
index 95844efdb0..377a4fe602 100644
--- a/lib/efi_loader/efi_runtime.c
+++ b/lib/efi_loader/efi_runtime.c
@@ -502,11 +502,12 @@ static efi_status_t EFIAPI efi_set_virtual_address_map(
* This function adds a memory-mapped IO region to the memory map to make it
* available at runtime.
*
- * @mmio_ptr: address of the memory-mapped IO region
+ * @mmio_ptr: pointer to a pointer to the start of the memory-mapped
+ * IO region
* @len: size of the memory-mapped IO region
* Returns: status code
*/
-efi_status_t efi_add_runtime_mmio(void *mmio_ptr, u64 len)
+efi_status_t efi_add_runtime_mmio(void **mmio_ptr, u64 len)
{
struct efi_runtime_mmio_list *newmmio;
u64 pages = (len + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT;
--
2.19.2
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