X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/554d8397148d6fd69fa9b73098e14835c66c71a4..4f3a09388f325ee4a6e3591bcd1b6224c88eb3e5:/target/linux/generic-2.6/patches-2.6.28/921-gpio_spi_driver.patch

diff --git a/target/linux/generic-2.6/patches-2.6.28/921-gpio_spi_driver.patch b/target/linux/generic-2.6/patches-2.6.28/921-gpio_spi_driver.patch
index 6cab67a27..98b764d6f 100644
--- a/target/linux/generic-2.6/patches-2.6.28/921-gpio_spi_driver.patch
+++ b/target/linux/generic-2.6/patches-2.6.28/921-gpio_spi_driver.patch
@@ -1,5 +1,13 @@
+THIS CODE IS DEPRECATED.
+
+Please use the new mainline SPI-GPIO driver, as of 2.6.29.
+
+--mb
+
+
+
 --- /dev/null
-+++ b/include/linux/spi/spi_gpio.h
++++ b/include/linux/spi/spi_gpio_old.h
 @@ -0,0 +1,73 @@
 +/*
 + * spi_gpio interface to platform code
@@ -75,7 +83,7 @@
 +
 +#endif /* _LINUX_SPI_SPI_GPIO */
 --- /dev/null
-+++ b/drivers/spi/spi_gpio.c
++++ b/drivers/spi/spi_gpio_old.c
 @@ -0,0 +1,251 @@
 +/*
 + * Bitbanging SPI bus driver using GPIO API
@@ -103,7 +111,7 @@
 +#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>
 +
@@ -330,20 +338,16 @@
 +MODULE_LICENSE("GPL v2");
 --- a/drivers/spi/Kconfig
 +++ b/drivers/spi/Kconfig
-@@ -100,6 +100,19 @@ config SPI_BUTTERFLY
- 	  inexpensive battery powered microcontroller evaluation board.
- 	  This same cable can be used to flash new firmware.
+@@ -116,6 +116,15 @@ config SPI_GPIO
+ 	  GPIO operations, you should be able to leverage that for better
+ 	  speed with a custom version of this driver; see the source code.
  
-+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.
 +
@@ -352,25 +356,11 @@
  	depends on ARCH_IMX && EXPERIMENTAL
 --- a/drivers/spi/Makefile
 +++ b/drivers/spi/Makefile
-@@ -16,6 +16,7 @@ obj-$(CONFIG_SPI_BFIN)			+= spi_bfin5xx.
- obj-$(CONFIG_SPI_BITBANG)		+= spi_bitbang.o
+@@ -17,6 +17,7 @@ obj-$(CONFIG_SPI_BITBANG)		+= spi_bitban
  obj-$(CONFIG_SPI_AU1550)		+= au1550_spi.o
  obj-$(CONFIG_SPI_BUTTERFLY)		+= spi_butterfly.o
-+obj-$(CONFIG_SPI_GPIO)			+= spi_gpio.o
+ obj-$(CONFIG_SPI_GPIO)			+= spi_gpio.o
++obj-$(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