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e0b80e41eb
Tested on the following boards: ALFA AP96 TL-MR3220 v1 TL-WR1043ND v1 TL-WR2543ND v1 TL-WR703N v1 TL-WR741ND v1 TL-WR741ND v4 WNDR3700 v1 WZR-HP-G300NH git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29868 3c298f89-4303-0410-b956-a3cf2f4a3e73
31 lines
918 B
Diff
31 lines
918 B
Diff
From 7385ff2cb72d6a0107890760466b9564aa5204c1 Mon Sep 17 00:00:00 2001
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From: Gabor Juhos <juhosg@openwrt.org>
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Date: Mon, 9 Jan 2012 15:03:28 +0100
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Subject: [PATCH 3/7] spi/ath79: remove superfluous chip select code
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The spi_bitbang driver calls the chipselect function
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of the driver from spi_bitbang_setup in order to
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deselect the given SPI chip, so we don't have to
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initialize the CS line here.
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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
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---
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drivers/spi/spi-ath79.c | 6 ------
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1 files changed, 0 insertions(+), 6 deletions(-)
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--- a/drivers/spi/spi-ath79.c
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+++ b/drivers/spi/spi-ath79.c
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@@ -121,12 +121,6 @@ static int ath79_spi_setup_cs(struct spi
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gpio_free(cdata->gpio);
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return status;
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}
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- } else {
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- if (spi->mode & SPI_CS_HIGH)
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- sp->ioc_base |= AR71XX_SPI_IOC_CS0;
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- else
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- sp->ioc_base &= ~AR71XX_SPI_IOC_CS0;
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- ath79_spi_wr(sp, AR71XX_SPI_REG_IOC, sp->ioc_base);
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}
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return 0;
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