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: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
David Brownell 2008-07-14 22:38:31 +02:00 committed by Jean Delvare
parent 47a9b1379a
commit 8a56ce1033

View file

@ -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"