From 2bec19feabd53cba75e9dab0e79afbe868a37113 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Wed, 15 Oct 2008 22:02:44 -0700
Subject: orion_spi: handle 88F6183 erratum

Add support to orion_spi for the 88F6183 ARM SoC by adding code to work
around a 6183-specific erratum.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/spi/orion_spi.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'drivers/spi')

diff --git a/drivers/spi/orion_spi.c b/drivers/spi/orion_spi.c
index b872bfaf4bd..014becb7d53 100644
--- a/drivers/spi/orion_spi.c
+++ b/drivers/spi/orion_spi.c
@@ -364,6 +364,11 @@ static int orion_spi_setup(struct spi_device *spi)
 		return -EINVAL;
 	}
 
+	/* Fix ac timing if required.   */
+	if (orion_spi->spi_info->enable_clock_fix)
+		orion_spi_setbits(orion_spi, ORION_SPI_IF_CONFIG_REG,
+				  (1 << 14));
+
 	if (spi->bits_per_word == 0)
 		spi->bits_per_word = 8;
 
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