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Deprecate the old SPI-GPIO driver.

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14464 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
mb
2009-02-10 16:55:38 +00:00
parent 85a0242c71
commit 6799839412
6 changed files with 65 additions and 55 deletions
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62
target/linux/generic-2.6/patches-2.6.28/921-gpio_spi_driver.patch
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@@ -1,5 +1,15 @@
--- /dev/null
+++ b/include/linux/spi/spi_gpio.h
THIS CODE IS DEPRECATED.
Please use the new mainline SPI-GPIO driver, as of 2.6.29.
--mb
Index: linux-2.6.28.2/include/linux/spi/spi_gpio_old.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.28.2/include/linux/spi/spi_gpio_old.h 2009-02-10 17:14:33.000000000 +0100
@@ -0,0 +1,73 @@
+/*
+ * spi_gpio interface to platform code
@@ -74,8 +84,10 @@
+int spi_gpio_next_id(void);
+
+#endif /* _LINUX_SPI_SPI_GPIO */
--- /dev/null
+++ b/drivers/spi/spi_gpio.c
Index: linux-2.6.28.2/drivers/spi/spi_gpio_old.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.28.2/drivers/spi/spi_gpio_old.c 2009-02-10 17:15:01.000000000 +0100
@@ -0,0 +1,251 @@
+/*
+ * Bitbanging SPI bus driver using GPIO API
@@ -103,7 +115,7 @@
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_bitbang.h>
+#include <linux/spi/spi_gpio.h>
+#include <linux/spi/spi_gpio_old.h>
+#include <linux/gpio.h>
+#include <asm/atomic.h>
+
@@ -328,49 +340,35 @@
+MODULE_AUTHOR("Michael Buesch");
+MODULE_DESCRIPTION("Platform independent GPIO bitbanging SPI driver");
+MODULE_LICENSE("GPL v2");
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -100,6 +100,19 @@ config SPI_BUTTERFLY
Index: linux-2.6.28.2/drivers/spi/Kconfig
===================================================================
--- linux-2.6.28.2.orig/drivers/spi/Kconfig 2009-02-10 17:13:57.000000000 +0100
+++ linux-2.6.28.2/drivers/spi/Kconfig 2009-02-10 17:14:33.000000000 +0100
@@ -100,6 +100,15 @@ config SPI_BUTTERFLY
inexpensive battery powered microcontroller evaluation board.
This same cable can be used to flash new firmware.
+config SPI_GPIO
+ tristate "GPIO API based bitbanging SPI controller"
+config SPI_GPIO_OLD
+ tristate "Old GPIO API based bitbanging SPI controller (DEPRECATED)"
+ depends on SPI_MASTER && GENERIC_GPIO
+ select SPI_BITBANG
+ help
+ This is a platform driver that can be used for bitbanging
+ an SPI bus over GPIO pins.
+ Select this if you have any SPI device that is connected via
+ GPIO pins.
+ The module will be called spi_gpio.
+ This code is deprecated. Please use the new mainline SPI-GPIO driver.
+
+ If unsure, say N.
+
config SPI_IMX
tristate "Freescale iMX SPI controller"
depends on ARCH_IMX && EXPERIMENTAL
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
Index: linux-2.6.28.2/drivers/spi/Makefile
===================================================================
--- linux-2.6.28.2.orig/drivers/spi/Makefile 2009-02-10 17:13:57.000000000 +0100
+++ linux-2.6.28.2/drivers/spi/Makefile 2009-02-10 17:14:33.000000000 +0100
@@ -16,6 +16,7 @@ obj-$(CONFIG_SPI_BFIN) += spi_bfin5xx.
obj-$(CONFIG_SPI_BITBANG) += spi_bitbang.o
obj-$(CONFIG_SPI_AU1550) += au1550_spi.o
obj-$(CONFIG_SPI_BUTTERFLY) += spi_butterfly.o
+obj-$(CONFIG_SPI_GPIO) += spi_gpio.o
+obj-$(CONFIG_SPI_GPIO_OLD) += spi_gpio_old.o
obj-$(CONFIG_SPI_IMX) += spi_imx.o
obj-$(CONFIG_SPI_LM70_LLP) += spi_lm70llp.o
obj-$(CONFIG_SPI_PXA2XX) += pxa2xx_spi.o
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4027,6 +4027,11 @@ M: jbglaw@lug-owl.de
L: linux-kernel@vger.kernel.org
S: Maintained
+SPI GPIO MASTER DRIVER
+P: Michael Buesch
+M: mb@bu3sch.de
+S: Maintained
+
STABLE BRANCH
P: Greg Kroah-Hartman
M: greg@kroah.com