linux-kernel - [PATCH v3 4/5] gpio: pca953x: remove an unused variable

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1473255472-16090-5-git-send-email-bgolaszewski@baylibre.com>
Date:   Wed,  7 Sep 2016 15:37:51 +0200
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Alexandre Courbot <gnurou@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Vignesh R <vigneshr@...com>, Yong Li <yong.b.li@...el.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     linux-gpio <linux-gpio@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH v3 4/5] gpio: pca953x: remove an unused variable

The chip_type variable in struct pca953x_chip is no longer required.

Remove it.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
---
 drivers/gpio/gpio-pca953x.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 018bd18..b08ed52 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -129,7 +129,6 @@ struct pca953x_chip {
 	struct i2c_client *client;
 	struct gpio_chip gpio_chip;
 	const char *const *names;
-	int	chip_type;
 	unsigned long driver_data;
 
 	const struct pca953x_offset *offset;
@@ -771,8 +770,6 @@ static int pca953x_probe(struct i2c_client *client,
 		}
 	}
 
-	chip->chip_type = PCA_CHIP_TYPE(chip->driver_data);
-
 	mutex_init(&chip->i2c_lock);
 
 	/* initialize cached registers from their original values.
@@ -787,13 +784,14 @@ static int pca953x_probe(struct i2c_client *client,
 		chip->write_regs = pca953x_write_regs_24;
 		chip->read_regs = pca953x_read_regs_24;
 	} else {
-		chip->write_regs = chip->chip_type == PCA953X_TYPE ?
-					pca953x_write_regs_16 :
-					pca957x_write_regs_16;
+		if (PCA_CHIP_TYPE(chip->driver_data) == PCA953X_TYPE)
+			chip->write_regs = pca953x_write_regs_16;
+		else
+			chip->write_regs = pca957x_write_regs_16;
 		chip->read_regs = pca953x_read_regs_16;
 	}
 
-	if (chip->chip_type == PCA953X_TYPE)
+	if (PCA_CHIP_TYPE(chip->driver_data) == PCA953X_TYPE)
 		ret = device_pca953x_init(chip, invert);
 	else
 		ret = device_pca957x_init(chip, invert);
-- 
2.7.4