From b262e2f142e043c39d99053739330f55cf455276 Mon Sep 17 00:00:00 2001
From: Werner Almesberger <werner@almesberger.net>
Date: Thu, 21 Jun 2012 19:52:41 -0300
Subject: [PATCH] fw/spi.c (spi_init): revert the SPI speed increase (caused
 instability)

Some more testing showed that transfers would get stuck after ~40 packets.
Need to find out what happened before trying this again.
---
 fw/spi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fw/spi.c b/fw/spi.c
index df09a36..0337caf 100644
--- a/fw/spi.c
+++ b/fw/spi.c
@@ -26,11 +26,11 @@
 
 void spi_init(void)
 {
-	/* SPI mode 0, MSB first, fosc/2 */
+	/* SPI mode 0, MSB first, fosc/4 */
 	SPCR =
 	    1 << SPE |	/* enable SPI */
 	    1 << MSTR;	/* master */
-	SPSR = 1 << SPI2X; /* enable for fosc/2 */
+//	SPSR = 1 << SPI2X; /* enable for fosc/2 */
 }