jlink_spi: Reduce transfer size
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>
diff --git a/jlink_spi.c b/jlink_spi.c
index 8a69b41..00e9c6d 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