efi: Add shared printk wrapper for consistent prefixing

Add a wrapper for printk to standardize the prefix for informational and
error messages from the EFI stub.

Signed-off-by: Roy Franz <roy.franz@linaro.org>
Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>

diff --git a/drivers/firmware/efi/efi-stub-helper.c b/drivers/firmware/efi/efi-stub-helper.c
index 47722003b8fcb1cd4adc9901684a9844ae3cd4d6..1bf439be91382b67fc92d30dcbb1a256e0db4b59 100644 (file)
--- a/drivers/firmware/efi/efi-stub-helper.c
+++ b/drivers/firmware/efi/efi-stub-helper.c
@@ -33,6 +33,9 @@ static void efi_printk(efi_system_table_t *sys_table_arg, char *str)
        }
 }
 
+#define pr_efi(sys_table, msg)     efi_printk(sys_table, "EFI stub: "msg)
+#define pr_efi_err(sys_table, msg) efi_printk(sys_table, "EFI stub: ERROR: "msg)
+
 
 static efi_status_t efi_get_memory_map(efi_system_table_t *sys_table_arg,
                                       efi_memory_desc_t **map,
@@ -310,7 +313,7 @@ static efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg,
        status = efi_call_early(allocate_pool, EFI_LOADER_DATA,
                                nr_files * sizeof(*files), (void **)&files);
        if (status != EFI_SUCCESS) {
-               efi_printk(sys_table_arg, "Failed to alloc mem for file handle list\n");
+               pr_efi_err(sys_table_arg, "Failed to alloc mem for file handle list\n");
                goto fail;
        }
 
@@ -374,13 +377,13 @@ static efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg,
                status = efi_high_alloc(sys_table_arg, file_size_total, 0x1000,
                                    &file_addr, max_addr);
                if (status != EFI_SUCCESS) {
-                       efi_printk(sys_table_arg, "Failed to alloc highmem for files\n");
+                       pr_efi_err(sys_table_arg, "Failed to alloc highmem for files\n");
                        goto close_handles;
                }
 
                /* We've run out of free low memory. */
                if (file_addr > max_addr) {
-                       efi_printk(sys_table_arg, "We've run out of free low memory\n");
+                       pr_efi_err(sys_table_arg, "We've run out of free low memory\n");
                        status = EFI_INVALID_PARAMETER;
                        goto free_file_total;
                }
@@ -401,7 +404,7 @@ static efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg,
                                                       &chunksize,
                                                       (void *)addr);
                                if (status != EFI_SUCCESS) {
-                                       efi_printk(sys_table_arg, "Failed to read file\n");
+                                       pr_efi_err(sys_table_arg, "Failed to read file\n");
                                        goto free_file_total;
                                }
                                addr += chunksize;
@@ -486,7 +489,7 @@ static efi_status_t efi_relocate_kernel(efi_system_table_t *sys_table_arg,
                                       &new_addr);
        }
        if (status != EFI_SUCCESS) {
-               efi_printk(sys_table_arg, "ERROR: Failed to allocate usable memory for kernel.\n");
+               pr_efi_err(sys_table_arg, "Failed to allocate usable memory for kernel.\n");
                return status;
        }