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[Qemu-devel] [PATCH] m25p80: Fix WINBOND fast read command dummy bytes


From: Aleksey Kuleshov
Subject: [Qemu-devel] [PATCH] m25p80: Fix WINBOND fast read command dummy bytes
Date: Wed, 07 Jun 2017 19:36:14 +0300

The original commit (3830c7a460b8252dc975f8115fdaed8c562d2d75)
stated "Datasheet states that default dummy cycles is 8 so fix it."

But since dummy cycles are handled in bytes it must be 1, not 8.

Signed-off-by: Aleksey Kuleshov <address@hidden>
---
 hw/block/m25p80.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c
index 190573cefa..bf36159636 100644
--- a/hw/block/m25p80.c
+++ b/hw/block/m25p80.c
@@ -793,7 +793,7 @@ static void decode_fast_read_cmd(Flash *s)
     switch (get_man(s)) {
     /* Dummy cycles - modeled with bytes writes instead of bits */
     case MAN_WINBOND:
-        s->needed_bytes += 8;
+        s->needed_bytes += 1;
         break;
     case MAN_NUMONYX:
         s->needed_bytes += extract32(s->volatile_cfg, 4, 4);
-- 
2.11.0



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