linux-kernel - [PATCH v1 1/1] leds: tca6507: Don't use fixed GPIO base

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-next>] [day] [month] [year] [list]

Date:   Mon,  2 Oct 2023 16:56:29 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Lee Jones <lee@...nel.org>, linux-leds@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Pavel Machek <pavel@....cz>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 1/1] leds: tca6507: Don't use fixed GPIO base

First of all, the fixed GPIO base is source of troubles and
it doesn't scale. Second, there is no in-kernel user of this
base, so drop it.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/leds/leds-tca6507.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/leds/leds-tca6507.c b/drivers/leds/leds-tca6507.c
index aab861771210..e19074614095 100644
--- a/drivers/leds/leds-tca6507.c
+++ b/drivers/leds/leds-tca6507.c
@@ -92,9 +92,6 @@
 
 struct tca6507_platform_data {
 	struct led_platform_data leds;
-#ifdef CONFIG_GPIOLIB
-	int gpio_base;
-#endif
 };
 
 #define	TCA6507_MAKE_GPIO 1
@@ -636,7 +633,7 @@ static int tca6507_probe_gpios(struct device *dev,
 
 	tca->gpio.label = "gpio-tca6507";
 	tca->gpio.ngpio = gpios;
-	tca->gpio.base = pdata->gpio_base;
+	tca->gpio.base = -1;
 	tca->gpio.owner = THIS_MODULE;
 	tca->gpio.direction_output = tca6507_gpio_direction_output;
 	tca->gpio.set = tca6507_gpio_set_value;
@@ -715,9 +712,6 @@ tca6507_led_dt_init(struct device *dev)
 
 	pdata->leds.leds = tca_leds;
 	pdata->leds.num_leds = NUM_LEDS;
-#ifdef CONFIG_GPIOLIB
-	pdata->gpio_base = -1;
-#endif
 
 	return pdata;
 }
-- 
2.40.0.1.gaa8946217a0b