From a8c0b68199c5f76073a8b9c2ecf2d3694086591e Mon Sep 17 00:00:00 2001
From: Marc Schink <dev@zapb.de>
Date: Sat, 22 Aug 2020 11:29:22 +0200
Subject: jlink_spi: Reduce transfer size
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The maximum transfer size is too large for some devices and
results in an USB timeout.

Change-Id: If2c00b1524ec56740bdfe290096c3546cf375d73
Signed-off-by: Marc Schink <dev@zapb.de>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/48379
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Miklós Márton <martonmiklosqdev@gmail.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/67872
Reviewed-by: Felix Singer <felixsinger@posteo.net>
---
 jlink_spi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/jlink_spi.c b/jlink_spi.c
index 8a69b41e6..00e9c6dac 100644
--- a/jlink_spi.c
+++ b/jlink_spi.c
@@ -34,7 +34,7 @@
  * Maximum number of bytes that can be transferred at once via the JTAG
  * interface, see jaylink_jtag_io().
  */
-#define JTAG_MAX_TRANSFER_SIZE	(UINT16_MAX / 8)
+#define JTAG_MAX_TRANSFER_SIZE	(32768 / 8)
 
 /*
  * Default base frequency in Hz. Used when the base frequency can not be
-- 
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