| 1 | From 7385ff2cb72d6a0107890760466b9564aa5204c1 Mon Sep 17 00:00:00 2001 |
| 2 | From: Gabor Juhos <juhosg@openwrt.org> |
| 3 | Date: Mon, 9 Jan 2012 15:03:28 +0100 |
| 4 | Subject: [PATCH 3/7] spi/ath79: remove superfluous chip select code |
| 5 | |
| 6 | The spi_bitbang driver calls the chipselect function |
| 7 | of the driver from spi_bitbang_setup in order to |
| 8 | deselect the given SPI chip, so we don't have to |
| 9 | initialize the CS line here. |
| 10 | |
| 11 | Signed-off-by: Gabor Juhos <juhosg@openwrt.org> |
| 12 | --- |
| 13 | drivers/spi/spi-ath79.c | 6 ------ |
| 14 | 1 files changed, 0 insertions(+), 6 deletions(-) |
| 15 | |
| 16 | --- a/drivers/spi/spi-ath79.c |
| 17 | +++ b/drivers/spi/spi-ath79.c |
| 18 | @@ -121,12 +121,6 @@ static int ath79_spi_setup_cs(struct spi |
| 19 | gpio_free(cdata->gpio); |
| 20 | return status; |
| 21 | } |
| 22 | - } else { |
| 23 | - if (spi->mode & SPI_CS_HIGH) |
| 24 | - sp->ioc_base |= AR71XX_SPI_IOC_CS0; |
| 25 | - else |
| 26 | - sp->ioc_base &= ~AR71XX_SPI_IOC_CS0; |
| 27 | - ath79_spi_wr(sp, AR71XX_SPI_REG_IOC, sp->ioc_base); |
| 28 | } |
| 29 | |
| 30 | return 0; |
| 31 | |
