1 files changed, 0 insertions, 73 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.29/920-02-spi-gpio-without-cs.patch b/target/linux/generic-2.6/patches-2.6.29/920-02-spi-gpio-without-cs.patch
deleted file mode 100644
index 8b2198ef14..0000000000
--- a/target/linux/generic-2.6/patches-2.6.29/920-02-spi-gpio-without-cs.patch
+++ /dev/null
@@ -1,73 +0,0 @@
-Optionally omit the CS signal, if there's only one device on the bus.
-
---mb
-
-
-
---- a/drivers/spi/spi_gpio.c
-+++ b/drivers/spi/spi_gpio.c
-@@ -178,8 +178,10 @@ static void spi_gpio_chipselect(struct s
- 	if (is_active)
- 		setsck(spi, spi->mode & SPI_CPOL);
- 
--	/* SPI is normally active-low */
--	gpio_set_value(cs, (spi->mode & SPI_CS_HIGH) ? is_active : !is_active);
-+	if (cs != SPI_GPIO_NO_CHIPSELECT) {
-+		/* SPI is normally active-low */
-+		gpio_set_value(cs, (spi->mode & SPI_CS_HIGH) ? is_active : !is_active);
-+	}
- }
- 
- static int spi_gpio_setup(struct spi_device *spi)
-@@ -191,15 +193,17 @@ static int spi_gpio_setup(struct spi_dev
- 		return -EINVAL;
- 
- 	if (!spi->controller_state) {
--		status = gpio_request(cs, spi->dev.bus_id);
--		if (status)
--			return status;
--		status = gpio_direction_output(cs, spi->mode & SPI_CS_HIGH);
-+		if (cs != SPI_GPIO_NO_CHIPSELECT) {
-+			status = gpio_request(cs, spi->dev.bus_id);
-+			if (status)
-+				return status;
-+			status = gpio_direction_output(cs, spi->mode & SPI_CS_HIGH);
-+		}
- 	}
- 	if (!status)
- 		status = spi_bitbang_setup(spi);
- 	if (status) {
--		if (!spi->controller_state)
-+		if (!spi->controller_state && cs != SPI_GPIO_NO_CHIPSELECT)
- 			gpio_free(cs);
- 	}
- 	return status;
-@@ -209,7 +213,8 @@ static void spi_gpio_cleanup(struct spi_
- {
- 	unsigned long	cs = (unsigned long) spi->controller_data;
- 
--	gpio_free(cs);
-+	if (cs != SPI_GPIO_NO_CHIPSELECT)
-+		gpio_free(cs);
- 	spi_bitbang_cleanup(spi);
- }
- 
---- a/include/linux/spi/spi_gpio.h
-+++ b/include/linux/spi/spi_gpio.h
-@@ -25,10 +25,16 @@
-  *	...
-  *	};
-  *
-+ * If chipselect is not used (there's only one device on the bus), assign
-+ * SPI_GPIO_NO_CHIPSELECT to the controller_data:
-+ *		.controller_data = (void *) SPI_GPIO_NO_CHIPSELECT;
-+ *
-  * If the bitbanged bus is later switched to a "native" controller,
-  * that platform_device and controller_data should be removed.
-  */
- 
-+#define SPI_GPIO_NO_CHIPSELECT		((unsigned long)-1l)
-+
- /**
-  * struct spi_gpio_platform_data - parameter for bitbanged SPI master
-  * @sck: number of the GPIO used for clock output