aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/ar71xx/patches-3.3/201-spi-ath79-add-missing-HIGH-LOW-SCK-transition.patch
blob: 4558a3dd6a252e5aba5c2aec341f5fff9d97d8c3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
From 52fa804e11c1722ec56de2e3888a9f8dfb96404b Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Wed, 11 Jan 2012 20:33:41 +0100
Subject: [PATCH 42/47] 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;
 	}