diff options
Diffstat (limited to 'target/linux/ar71xx/patches-3.8/002-spi-ath79-add-missing-HIGH-LOW-SCK-transition.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-3.8/002-spi-ath79-add-missing-HIGH-LOW-SCK-transition.patch | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/target/linux/ar71xx/patches-3.8/002-spi-ath79-add-missing-HIGH-LOW-SCK-transition.patch b/target/linux/ar71xx/patches-3.8/002-spi-ath79-add-missing-HIGH-LOW-SCK-transition.patch deleted file mode 100644 index 393ffa5..0000000 --- a/target/linux/ar71xx/patches-3.8/002-spi-ath79-add-missing-HIGH-LOW-SCK-transition.patch +++ /dev/null @@ -1,31 +0,0 @@ -From c7c943b1e3813ff5764ee6417a14530cb7cd6f57 Mon Sep 17 00:00:00 2001 -From: Gabor Juhos <juhosg@openwrt.org> -Date: Thu, 27 Dec 2012 10:42:25 +0100 -Subject: [PATCH] spi/ath79: add missing HIGH->LOW SCK transition - -commit 72611db0eef21f4456d79ba302af4b34ea384f30 upstream. - -The 'ath79_spi_txrx_mode0' function does not -set the SCK signal to LOW at the end of a word -transfer. This causes communications errors with -certain devices (e.g. the PCF2123 RTC chip). - -The patch ensures that the SCK signal will be LOW. - -Signed-off-by: Gabor Juhos <juhosg@openwrt.org> -Signed-off-by: Grant Likely <grant.likely@secretlab.ca> ---- - drivers/spi/spi-ath79.c | 2 ++ - 1 file changed, 2 insertions(+) - ---- 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; - } |