linux-kernel - Re: [PATCH 2.6.24-rc5-mm 3/3] gpiolib: obsolete drivers/i2c/chips/pca9539.c

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Date:	Wed, 19 Dec 2007 16:45:00 +0800
From:	"eric miao" <eric.y.miao@...il.com>
To:	"Jean Delvare" <khali@...ux-fr.org>
Cc:	"David Brownell" <david-b@...bell.net>,
	linux-kernel@...r.kernel.org, i2c@...sensors.org,
	bgardner@...tec.com
Subject: Re: [PATCH 2.6.24-rc5-mm 3/3] gpiolib: obsolete drivers/i2c/chips/pca9539.c

Updated as follows, the driver name is left unchanged, while
Kconfig and Documentation are modified so that
1. mark it as deprecated
2. exclusive selection of SENSOR_PCA9539 and GPIO_PCA9539

>From c58dc1119355dc94d80763aef9d9bc999abda6df Mon Sep 17 00:00:00 2001
From: eric miao <eric.miao@...vell.com>
Date: Wed, 19 Dec 2007 16:40:04 +0800
Subject: [PATCH] gpiolib: mark drivers/i2c/chips/pca9539.c as deprecated

use drivers/gpio/pca9539.c instead.

Signed-off-by: eric miao <eric.miao@...vell.com>
Acked-by: Ben Gardner <bgardner@...tec.com>
---
 Documentation/i2c/chips/pca9539 |    3 +++
 drivers/i2c/chips/Kconfig       |    7 +++++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/Documentation/i2c/chips/pca9539 b/Documentation/i2c/chips/pca9539
index c4fce6a..1d81c53 100644
--- a/Documentation/i2c/chips/pca9539
+++ b/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 --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig
index 2e1c24f..54fd302 100644
--- a/drivers/i2c/chips/Kconfig
+++ b/drivers/i2c/chips/Kconfig
@@ -66,8 +66,8 @@ config SENSORS_PCF8574
 	  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
 	help
 	  If you say yes here you get support for the Philips PCA9539
 	  16-bit I/O port.
@@ -75,6 +75,9 @@ 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
-- 
1.5.2.5.GIT

Cheers
- eric
--
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