From ca41159f577ba787d52005af850380259690f933 Mon Sep 17 00:00:00 2001
From: Michael Brown <mcb30@etherboot.org>
Date: Sat, 28 Jul 2007 16:05:41 +0100
Subject: [PATCH] Ensure clock line is in the idle state before asserting chip
 select.

---
 src/drivers/bitbash/spi_bit.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/drivers/bitbash/spi_bit.c b/src/drivers/bitbash/spi_bit.c
index e2175d60..a4e7136f 100644
--- a/src/drivers/bitbash/spi_bit.c
+++ b/src/drivers/bitbash/spi_bit.c
@@ -153,6 +153,10 @@ static int spi_bit_rw ( struct spi_bus *bus, struct spi_device *device,
 		= container_of ( bus, struct spi_bit_basher, bus );
 	uint32_t tmp;
 
+	/* Set clock line to idle state */
+	write_bit ( &spibit->basher, SPI_BIT_SCLK, 
+		    ( bus->mode & SPI_MODE_CPOL ) );
+
 	/* Assert chip select on specified slave */
 	spi_bit_set_slave_select ( spibit, device->slave, SELECT_SLAVE );