linux-kernel - [PATCH 1/2] gpio: pca953x: remove unneeded check for chip type

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Date:	Fri, 14 Oct 2011 15:31:59 +0200
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	linux-kernel@...r.kernel.org
Cc:	Wolfram Sang <w.sang@...gutronix.de>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: [PATCH 1/2] gpio: pca953x: remove unneeded check for chip type

We can assume our own device_id table is correct, so remove checking if
the chip type is valid. (The check was bogus anyway: If it found an
invalid entry, it returned with 0!) This is in preparation for further
cleanups.

Signed-off-by: Wolfram Sang <w.sang@...gutronix.de>
Cc: Grant Likely <grant.likely@...retlab.ca>
---
 drivers/gpio/gpio-pca953x.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index c43b8ff..45de6a4 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -673,10 +673,8 @@ static int __devinit pca953x_probe(struct i2c_client *client,
 
 	if (chip->chip_type == PCA953X_TYPE)
 		device_pca953x_init(chip, invert);
-	else if (chip->chip_type == PCA957X_TYPE)
-		device_pca957x_init(chip, invert);
 	else
-		goto out_failed;
+		device_pca957x_init(chip, invert);
 
 	ret = pca953x_irq_setup(chip, id, irq_base);
 	if (ret)
-- 
1.7.6.3

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