diff options
Diffstat (limited to 'arch/x86/lib/mrccache.c')
| -rw-r--r-- | arch/x86/lib/mrccache.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/x86/lib/mrccache.c b/arch/x86/lib/mrccache.c index 10949d249e..b9420a4cab 100644 --- a/arch/x86/lib/mrccache.c +++ b/arch/x86/lib/mrccache.c @@ -118,8 +118,20 @@ static struct mrc_data_container *find_next_mrc_cache(struct mrc_region *entry, return cache; } -int mrccache_update(struct udevice *sf, struct mrc_region *entry, - struct mrc_data_container *cur) +/** + * mrccache_update() - update the MRC cache with a new record + * + * This writes a new record to the end of the MRC cache region. If the new + * record is the same as the latest record then the write is skipped + * + * @sf: SPI flash to write to + * @entry: Position and size of MRC cache in SPI flash + * @cur: Record to write + * @return 0 if updated, -EEXIST if the record is the same as the latest + * record, -EINVAL if the record is not valid, other error if SPI write failed + */ +static int mrccache_update(struct udevice *sf, struct mrc_region *entry, + struct mrc_data_container *cur) { struct mrc_data_container *cache; ulong offset; |