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-rw-r--r--common/cmd_fat.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/common/cmd_fat.c b/common/cmd_fat.c
index 86be044725..0487438faa 100644
--- a/common/cmd_fat.c
+++ b/common/cmd_fat.c
@@ -49,6 +49,9 @@ U_BOOT_CMD(
" If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.\n"
" 'bytes' gives the size to load. If 'bytes' is 0 or omitted,\n"
" the load stops on end of file.\n"
+ " If either 'pos' or 'bytes' are not aligned to\n"
+ " ARCH_DMA_MINALIGN then a misaligned buffer warning will\n"
+ " be printed and performance will suffer for the load.\n"
" All numeric parameters are assumed to be hex."
);