openwrtv4/target/linux/ar71xx/patches-3.7/201-spi-ath79-add-missing-HIGH-LOW-SCK-transition.patch
Gabor Juhos 87271e9f28 ar71xx: add support for 3.7
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 34920
2012-12-29 16:02:31 +00:00

21 lines
694 B
Diff

From bcb0fdebc08f828b54d0a2eb74a9d1378701a8e0 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Wed, 11 Jan 2012 20:33:41 +0100
Subject: [PATCH 29/34] spi/ath79: add missing HIGH->LOW SCK transition
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
drivers/spi/spi-ath79.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
--- a/drivers/spi/spi-ath79.c
+++ b/drivers/spi/spi-ath79.c
@@ -200,6 +200,8 @@ static u32 ath79_spi_txrx_mode0(struct s
ath79_spi_delay(sp, nsecs);
ath79_spi_wr(sp, AR71XX_SPI_REG_IOC, out | AR71XX_SPI_IOC_CLK);
ath79_spi_delay(sp, nsecs);
+ if (bits == 1)
+ ath79_spi_wr(sp, AR71XX_SPI_REG_IOC, out);
word <<= 1;
}