File 0016-efi_loader-Update-description-of-in.patch of Package u-boot-cubieboard2

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File 0016-efi_loader-Update-description-of-in.patch of Package u-boot-cubieboard2

From 66154a62ce8e08bd3cd06f21379ffd80b1b29804 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20Br=C3=BCns?= <stefan.bruens@rwth-aachen.de>
Date: Sat, 1 Oct 2016 23:32:23 +0200
Subject: [PATCH] efi_loader: Update description of internal efi_mem_carve_out
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In 74c16acce30bb882ad5951829d8dafef8eea564c the return values where
changed, but the description was kept.

Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
---
 lib/efi_loader/efi_memory.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c
index 80e4e26..ebe8e94 100644
--- a/lib/efi_loader/efi_memory.c
+++ b/lib/efi_loader/efi_memory.c
@@ -62,9 +62,17 @@ static void efi_mem_sort(void)
  * Unmaps all memory occupied by the carve_desc region from the
  * list entry pointed to by map.
  *
- * Returns 1 if carving was performed or 0 if the regions don't overlap.
- * Returns -1 if it would affect non-RAM regions but overlap_only_ram is set.
- * Carving is only guaranteed to complete when all regions return 0.
+ * Returns EFI_CARVE_NO_OVERLAP if the regions don't overlap.
+ * Returns EFI_CARVE_OVERLAPS_NONRAM if the carve and map overlap,
+ *    and the map contains anything but free ram.
+ *    (only when overlap_only_ram is true)
+ * Returns EFI_CARVE_LOOP_AGAIN if the mapping list should be traversed
+ *    again, as it has been altered
+ * Returns the number of overlapping pages. The pages are removed from
+ *     the mapping list.
+ *
+ * In case of EFI_CARVE_OVERLAPS_NONRAM it is the callers responsibility
+ * to readd the already carved out pages to the mapping.
  */
 static int efi_mem_carve_out(struct efi_mem_list *map,
 			     struct efi_mem_desc *carve_desc,

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File 0016-efi_loader-Update-description-of-in.patch of Package u-boot-cubieboard2

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