+++ /dev/null
-From 4518ae06e5fc953abfd9c2b66c6155fc2b2696ce Mon Sep 17 00:00:00 2001
-From: Gabor Juhos <juhosg@openwrt.org>
-Date: Mon, 9 Jan 2012 15:00:46 +0100
-Subject: [PATCH 5/7] spi/ath79: introduce ath79_spi_{en,dis}able helpers
-
----
- drivers/spi/spi-ath79.c | 41 +++++++++++++++++++++++++----------------
- 1 files changed, 25 insertions(+), 16 deletions(-)
-
---- a/drivers/spi/spi-ath79.c
-+++ b/drivers/spi/spi-ath79.c
-@@ -89,16 +89,8 @@ static void ath79_spi_chipselect(struct
-
- }
-
--static int ath79_spi_setup_cs(struct spi_device *spi)
-+static void ath79_spi_enable(struct ath79_spi *sp)
- {
-- struct ath79_spi *sp = ath79_spidev_to_sp(spi);
-- struct ath79_spi_controller_data *cdata;
-- int status;
--
-- cdata = spi->controller_data;
-- if (spi->chip_select && !cdata)
-- return -EINVAL;
--
- /* enable GPIO mode */
- ath79_spi_wr(sp, AR71XX_SPI_REG_FS, AR71XX_SPI_FS_GPIO);
-
-@@ -108,6 +100,24 @@ static int ath79_spi_setup_cs(struct spi
-
- /* TODO: setup speed? */
- ath79_spi_wr(sp, AR71XX_SPI_REG_CTRL, 0x43);
-+}
-+
-+static void ath79_spi_disable(struct ath79_spi *sp)
-+{
-+ /* restore CTRL register */
-+ ath79_spi_wr(sp, AR71XX_SPI_REG_CTRL, sp->reg_ctrl);
-+ /* disable GPIO mode */
-+ ath79_spi_wr(sp, AR71XX_SPI_REG_FS, 0);
-+}
-+
-+static int ath79_spi_setup_cs(struct spi_device *spi)
-+{
-+ struct ath79_spi_controller_data *cdata;
-+ int status;
-+
-+ cdata = spi->controller_data;
-+ if (spi->chip_select && !cdata)
-+ return -EINVAL;
-
- status = 0;
- if (spi->chip_select) {
-@@ -128,17 +138,10 @@ static int ath79_spi_setup_cs(struct spi
-
- static void ath79_spi_cleanup_cs(struct spi_device *spi)
- {
-- struct ath79_spi *sp = ath79_spidev_to_sp(spi);
--
- if (spi->chip_select) {
- struct ath79_spi_controller_data *cdata = spi->controller_data;
- gpio_free(cdata->gpio);
- }
--
-- /* restore CTRL register */
-- ath79_spi_wr(sp, AR71XX_SPI_REG_CTRL, sp->reg_ctrl);
-- /* disable GPIO mode */
-- ath79_spi_wr(sp, AR71XX_SPI_REG_FS, 0);
- }
-
- static int ath79_spi_setup(struct spi_device *spi)
-@@ -242,13 +245,15 @@ static __devinit int ath79_spi_probe(str
- goto err_put_master;
- }
-
-+ ath79_spi_enable(sp);
- ret = spi_bitbang_start(&sp->bitbang);
- if (ret)
-- goto err_unmap;
-+ goto err_disable;
-
- return 0;
-
--err_unmap:
-+err_disable:
-+ ath79_spi_disable(sp);
- iounmap(sp->base);
- err_put_master:
- platform_set_drvdata(pdev, NULL);
-@@ -262,6 +267,7 @@ static __devexit int ath79_spi_remove(st
- struct ath79_spi *sp = platform_get_drvdata(pdev);
-
- spi_bitbang_stop(&sp->bitbang);
-+ ath79_spi_disable(sp);
- iounmap(sp->base);
- platform_set_drvdata(pdev, NULL);
- spi_master_put(sp->bitbang.master);