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cs5535: deprecate older cs5535_gpio driver

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The newer drivers/gpio/cs5535-gpio.c replaces drivers/misc/cs5535_gpio.c.
The new driver has been in the tree for a little while, and has received
some testing; it's time to mark the old one as deprecated.  I'm thinking
removal around 2.6.40 would be good, provided we're not missing critical
functionality in the newer driver.

Signed-off-by: Andres Salomon <dilinger@queued.net>
Cc: Daniel Drake <dsd@laptop.org>
Acked-by: Ben Gardner <bgardner@wabtec.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andres Salomon 2011-01-12 17:00:12 -08:00 committed by Linus Torvalds
parent 7637c9259f
commit cf8e9086de
9 changed files with 35 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
Documentation/feature-removal-schedule.txt
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@ -193,6 +193,20 @@ Why: /proc/<pid>/oom_adj allows userspace to influence the oom killer's
---------------------------
What: CS5535/CS5536 obsolete GPIO driver
When: June 2011
Files: drivers/staging/cs5535_gpio/*
Check: drivers/staging/cs5535_gpio/cs5535_gpio.c
Why: A newer driver replaces this; it is drivers/gpio/cs5535-gpio.c, and
integrates with the Linux GPIO subsystem. The old driver has been
moved to staging, and will be removed altogether around 2.6.40.
Please test the new driver, and ensure that the functionality you
need and any bugfixes from the old driver are available in the new
one.
Who: Andres Salomon <dilinger@queued.net>
--------------------------
What: remove EXPORT_SYMBOL(kernel_thread)
When: August 2006
Files: arch/*/kernel/*_ksyms.c

9
drivers/char/Kconfig
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@ -1047,15 +1047,6 @@ config NSC_GPIO
pc8736x_gpio drivers. If those drivers are built as
modules, this one will be too, named nsc_gpio
config CS5535_GPIO
tristate "AMD CS5535/CS5536 GPIO (Geode Companion Device)"
depends on X86_32
help
Give userspace access to the GPIO pins on the AMD CS5535 and
CS5536 Geode companion devices.
If compiled as a module, it will be called cs5535_gpio.
config RAW_DRIVER
tristate "RAW driver (/dev/raw/rawN)"
depends on BLOCK

1
drivers/char/Makefile
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@ -82,7 +82,6 @@ obj-$(CONFIG_NWFLASH) += nwflash.o
obj-$(CONFIG_SCx200_GPIO) += scx200_gpio.o
obj-$(CONFIG_PC8736x_GPIO) += pc8736x_gpio.o
obj-$(CONFIG_NSC_GPIO) += nsc_gpio.o
obj-$(CONFIG_CS5535_GPIO) += cs5535_gpio.o
obj-$(CONFIG_GPIO_TB0219) += tb0219.o
obj-$(CONFIG_TELCLOCK) += tlclk.o

2
drivers/staging/Kconfig
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@ -123,6 +123,8 @@ source "drivers/staging/sep/Kconfig"
source "drivers/staging/iio/Kconfig"
source "drivers/staging/cs5535_gpio/Kconfig"
source "drivers/staging/zram/Kconfig"
source "drivers/staging/wlags49_h2/Kconfig"

1
drivers/staging/Makefile
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@ -44,6 +44,7 @@ obj-$(CONFIG_VME_BUS) += vme/
obj-$(CONFIG_MRST_RAR_HANDLER) += memrar/
obj-$(CONFIG_DX_SEP) += sep/
obj-$(CONFIG_IIO) += iio/
obj-$(CONFIG_CS5535_GPIO) += cs5535_gpio/
obj-$(CONFIG_ZRAM) += zram/
obj-$(CONFIG_WLAGS49_H2) += wlags49_h2/
obj-$(CONFIG_WLAGS49_H25) += wlags49_h25/

11
drivers/staging/cs5535_gpio/Kconfig Normal file
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@ -0,0 +1,11 @@
config CS5535_GPIO
tristate "AMD CS5535/CS5536 GPIO (Geode Companion Device)"
depends on X86_32
help
Note: this driver is DEPRECATED. Please use the cs5535-gpio module
in the GPIO section instead (CONFIG_GPIO_CS5535).
Give userspace access to the GPIO pins on the AMD CS5535 and
CS5536 Geode companion devices.
If compiled as a module, it will be called cs5535_gpio.

1
drivers/staging/cs5535_gpio/Makefile Normal file
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@ -0,0 +1 @@
obj-$(CONFIG_CS5535_GPIO) += cs5535_gpio.o

6
drivers/staging/cs5535_gpio/TODO Normal file
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@ -0,0 +1,6 @@
This is an obsolete driver for some the CS5535 and CS5536 southbridge GPIOs.
It has been replaced by a driver that makes use of the Linux GPIO subsystem.
Please switch to that driver, and let dilinger@queued.net know if there's
anything missing from the new driver.
This driver is scheduled for removal in 2.6.40.

0
drivers/char/cs5535_gpio.c → drivers/staging/cs5535_gpio/cs5535_gpio.c
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