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Commit 8a56ce10 authored by David Brownell's avatar David Brownell Committed by Jean Delvare
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i2c: Deprecate the legacy gpio drivers 



The legacy pcf8574 and pcf8575 drivers should be avoided
on systems using the new gpiolib code, and generally deprecated
in the same way the legacy pca9539 driver is deprecated.

Also, correct the pca9539 deprecation to match the current name
of the preferred driver:  pca953x, supporting several more chips.

Signed-off-by: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: default avatarJean Delvare <khali@linux-fr.org>
parent 47a9b137

drivers/i2c/chips/Kconfig

+12 −5
Original line number Diff line number Diff line
@@ -26,8 +26,8 @@ config SENSORS_EEPROM 
	  will be called eeprom.



config SENSORS_PCF8574

	tristate "Philips PCF8574 and PCF8574A"

	depends on EXPERIMENTAL

	tristate "Philips PCF8574 and PCF8574A (DEPRECATED)"

	depends on EXPERIMENTAL && GPIO_PCF857X = "n"

	default n

	help

	  If you say yes here you get support for Philips PCF8574 and
@@ -36,12 +36,16 @@ config SENSORS_PCF8574 
	  This driver can also be built as a module.  If so, the module

	  will be called pcf8574.



	  This driver is deprecated and will be dropped soon. Use

	  drivers/gpio/pcf857x.c instead.



	  These devices are hard to detect and rarely found on mainstream

	  hardware.  If unsure, say N.



config PCF8575

	tristate "Philips PCF8575"

	tristate "Philips PCF8575 (DEPRECATED)"

	default n

	depends on GPIO_PCF857X = "n"

	help

	  If you say yes here you get support for Philips PCF8575 chip.

	  This chip is a 16-bit I/O expander for the I2C bus.  Several other
@@ -50,12 +54,15 @@ config PCF8575 
	  This driver can also be built as a module.  If so, the module

	  will be called pcf8575.



	  This driver is deprecated and will be dropped soon. Use

	  drivers/gpio/pcf857x.c instead.



	  This device is hard to detect and is rarely found on mainstream

	  hardware.  If unsure, say N.



config SENSORS_PCA9539

	tristate "Philips PCA9539 16-bit I/O port (DEPRECATED)"

	depends on EXPERIMENTAL && GPIO_PCA9539 = "n"

	depends on EXPERIMENTAL && GPIO_PCA953X = "n"

	help

	  If you say yes here you get support for the Philips PCA9539

	  16-bit I/O port.
@@ -64,7 +71,7 @@ config SENSORS_PCA9539 
	  will be called pca9539.



	  This driver is deprecated and will be dropped soon. Use

	  drivers/gpio/pca9539.c instead.

	  drivers/gpio/pca953x.c instead.



config SENSORS_PCF8591

	tristate "Philips PCF8591"