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authorDaniel Silverstone <dsilvers@simtec.co.uk>2009-06-18 01:26:15 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-18 22:03:44 +0200
commit77906a546127e056dbdac618a7afb5b92d00c058 (patch)
tree772f90419a217eb3e73483ba7309a9d85e928d51
parentdrivers/char/rtc: disable legacy RTC driver on Blackfin systems (diff)
downloadlinux-77906a546127e056dbdac618a7afb5b92d00c058.tar.xz
linux-77906a546127e056dbdac618a7afb5b92d00c058.zip
pca953x: support GPIOLIB GPIO naming
Add support to the PCA953x driver to use the GPIOLIB naming facility for GPIOs. Signed-off-by: Daniel Silverstone <dsilvers@simtec.co.uk> Cc: Ben Gardner <bgardner@wabtec.com> Cc: Jean Delvare <khali@linux-fr.org> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/gpio/pca953x.c4
-rw-r--r--include/linux/i2c/pca953x.h1
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c
index 8dc0164bd51e..2dae94fbabf4 100644
--- a/drivers/gpio/pca953x.c
+++ b/drivers/gpio/pca953x.c
@@ -50,6 +50,7 @@ struct pca953x_chip {
struct i2c_client *client;
struct gpio_chip gpio_chip;
+ char **names;
};
static int pca953x_write_reg(struct pca953x_chip *chip, int reg, uint16_t val)
@@ -192,6 +193,7 @@ static void pca953x_setup_gpio(struct pca953x_chip *chip, int gpios)
gc->label = chip->client->name;
gc->dev = &chip->client->dev;
gc->owner = THIS_MODULE;
+ gc->names = chip->names;
}
static int __devinit pca953x_probe(struct i2c_client *client,
@@ -215,6 +217,8 @@ static int __devinit pca953x_probe(struct i2c_client *client,
chip->gpio_start = pdata->gpio_base;
+ chip->names = pdata->names;
+
/* initialize cached registers from their original values.
* we can't share this chip with another i2c master.
*/
diff --git a/include/linux/i2c/pca953x.h b/include/linux/i2c/pca953x.h
index 3c7361217df8..81736d6a8db7 100644
--- a/include/linux/i2c/pca953x.h
+++ b/include/linux/i2c/pca953x.h
@@ -15,4 +15,5 @@ struct pca953x_platform_data {
int (*teardown)(struct i2c_client *client,
unsigned gpio, unsigned ngpio,
void *context);
+ char **names;
};