From: eric miao <eric.miao@marvell.com>

Use drivers/gpio/pca9539.c instead.

Signed-off-by: eric miao <eric.miao@marvell.com>
Acked-by: Ben Gardner <bgardner@wabtec.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: Philipp Zabel <philipp.zabel@gmail.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 Documentation/i2c/chips/pca9539 |    3 +++
 drivers/i2c/chips/Kconfig       |    7 +++++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff -puN Documentation/i2c/chips/pca9539~gpiolib-deprecate-obsolete-pca9539-driver Documentation/i2c/chips/pca9539
--- a/Documentation/i2c/chips/pca9539~gpiolib-deprecate-obsolete-pca9539-driver
+++ a/Documentation/i2c/chips/pca9539
@@ -1,6 +1,9 @@
 Kernel driver pca9539
 =====================
 
+NOTE: this driver is deprecated and will be dropped soon, use
+drivers/gpio/pca9539.c instead.
+
 Supported chips:
   * Philips PCA9539
     Prefix: 'pca9539'
diff -puN drivers/i2c/chips/Kconfig~gpiolib-deprecate-obsolete-pca9539-driver drivers/i2c/chips/Kconfig
--- a/drivers/i2c/chips/Kconfig~gpiolib-deprecate-obsolete-pca9539-driver
+++ a/drivers/i2c/chips/Kconfig
@@ -54,8 +54,8 @@ config PCF8575
 	  hardware.  If unsure, say N.
 
 config SENSORS_PCA9539
-	tristate "Philips PCA9539 16-bit I/O port"
-	depends on EXPERIMENTAL
+	tristate "Philips PCA9539 16-bit I/O port (DEPRECATED)"
+	depends on EXPERIMENTAL && GPIO_PCA9539 = "n"
 	help
 	  If you say yes here you get support for the Philips PCA9539
 	  16-bit I/O port.
@@ -63,6 +63,9 @@ config SENSORS_PCA9539
 	  This driver can also be built as a module.  If so, the module
 	  will be called pca9539.
 
+	  This driver is deprecated and will be dropped soon. Use
+	  drivers/gpio/pca9539.c instead.
+
 config SENSORS_PCF8591
 	tristate "Philips PCF8591"
 	depends on EXPERIMENTAL
_