linux-kernel - Re: [PATCH v2 10/19] leds: Remove SEAD3 driver

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Message-id: <5f2e6c11-d4a7-dfa0-e94a-cf2a1cd66541@samsung.com>
Date:   Mon, 29 Aug 2016 10:55:41 +0200
From:   Jacek Anaszewski <j.anaszewski@...sung.com>
To:     Paul Burton <paul.burton@...tec.com>, linux-mips@...ux-mips.org,
        Ralf Baechle <ralf@...ux-mips.org>
Cc:     Richard Purdie <rpurdie@...ys.net>, linux-leds@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 10/19] leds: Remove SEAD3 driver

Hi Paul,

On 08/26/2016 04:17 PM, Paul Burton wrote:
> SEAD3 is now using the generic syscon & regmap based register-bit-led
> driver, so remove the unused custom SEAD3 LED driver.
>
> Signed-off-by: Paul Burton <paul.burton@...tec.com>
> ---
>
> Changes in v2: None
>
>  drivers/leds/Kconfig      | 10 ------
>  drivers/leds/Makefile     |  1 -
>  drivers/leds/leds-sead3.c | 78 -----------------------------------------------
>  3 files changed, 89 deletions(-)
>  delete mode 100644 drivers/leds/leds-sead3.c
>
> diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
> index 9dcc9b1..025de7e 100644
> --- a/drivers/leds/Kconfig
> +++ b/drivers/leds/Kconfig
> @@ -574,16 +574,6 @@ config LEDS_KTD2692
>
>  	  Say Y to enable this driver.
>
> -config LEDS_SEAD3
> -	tristate "LED support for the MIPS SEAD 3 board"
> -	depends on LEDS_CLASS && MIPS_SEAD3
> -	help
> -	  Say Y here to include support for the FLED and PLED LEDs on SEAD3 eval
> -	  boards.
> -
> -	  This driver can also be built as a module. If so the module
> -	  will be called leds-sead3.
> -
>  config LEDS_IS31FL32XX
>  	tristate "LED support for ISSI IS31FL32XX I2C LED controller family"
>  	depends on LEDS_CLASS && I2C && OF
> diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
> index 0684c86..da594cf 100644
> --- a/drivers/leds/Makefile
> +++ b/drivers/leds/Makefile
> @@ -66,7 +66,6 @@ obj-$(CONFIG_LEDS_VERSATILE)		+= leds-versatile.o
>  obj-$(CONFIG_LEDS_MENF21BMC)		+= leds-menf21bmc.o
>  obj-$(CONFIG_LEDS_KTD2692)		+= leds-ktd2692.o
>  obj-$(CONFIG_LEDS_POWERNV)		+= leds-powernv.o
> -obj-$(CONFIG_LEDS_SEAD3)		+= leds-sead3.o
>  obj-$(CONFIG_LEDS_IS31FL32XX)		+= leds-is31fl32xx.o
>
>  # LED SPI Drivers
> diff --git a/drivers/leds/leds-sead3.c b/drivers/leds/leds-sead3.c
> deleted file mode 100644
> index eb97a32..0000000
> --- a/drivers/leds/leds-sead3.c
> +++ /dev/null
> @@ -1,78 +0,0 @@
> -/*
> - * This file is subject to the terms and conditions of the GNU General Public
> - * License.  See the file "COPYING" in the main directory of this archive
> - * for more details.
> - *
> - * Copyright (C) 2012 MIPS Technologies, Inc.  All rights reserved.
> - * Copyright (C) 2015 Imagination Technologies, Inc.
> - */
> -#include <linux/kernel.h>
> -#include <linux/module.h>
> -#include <linux/init.h>
> -#include <linux/platform_device.h>
> -#include <linux/leds.h>
> -#include <linux/err.h>
> -#include <linux/io.h>
> -
> -#include <asm/mips-boards/sead3-addr.h>
> -
> -static void sead3_pled_set(struct led_classdev *led_cdev,
> -		enum led_brightness value)
> -{
> -	writel(value, (void __iomem *)SEAD3_CPLD_P_LED);
> -}
> -
> -static void sead3_fled_set(struct led_classdev *led_cdev,
> -		enum led_brightness value)
> -{
> -	writel(value, (void __iomem *)SEAD3_CPLD_F_LED);
> -}
> -
> -static struct led_classdev sead3_pled = {
> -	.name		= "sead3::pled",
> -	.brightness_set = sead3_pled_set,
> -	.flags		= LED_CORE_SUSPENDRESUME,
> -};
> -
> -static struct led_classdev sead3_fled = {
> -	.name		= "sead3::fled",
> -	.brightness_set = sead3_fled_set,
> -	.flags		= LED_CORE_SUSPENDRESUME,
> -};
> -
> -static int sead3_led_probe(struct platform_device *pdev)
> -{
> -	int ret;
> -
> -	ret = led_classdev_register(&pdev->dev, &sead3_pled);
> -	if (ret < 0)
> -		return ret;
> -
> -	ret = led_classdev_register(&pdev->dev, &sead3_fled);
> -	if (ret < 0)
> -		led_classdev_unregister(&sead3_pled);
> -
> -	return ret;
> -}
> -
> -static int sead3_led_remove(struct platform_device *pdev)
> -{
> -	led_classdev_unregister(&sead3_pled);
> -	led_classdev_unregister(&sead3_fled);
> -
> -	return 0;
> -}
> -
> -static struct platform_driver sead3_led_driver = {
> -	.probe		= sead3_led_probe,
> -	.remove		= sead3_led_remove,
> -	.driver		= {
> -		.name		= "sead3-led",
> -	},
> -};
> -
> -module_platform_driver(sead3_led_driver);
> -
> -MODULE_AUTHOR("Kristian Kielhofner <kris@...sk.org>");
> -MODULE_DESCRIPTION("SEAD3 LED driver");
> -MODULE_LICENSE("GPL");
>

Currently the patch doesn't apply cleanly on the linux-leds.git,
for-next branch, due to the fresh changes in the surrounding code in
the drivers/leds/Makefile and Kconfig. Does this patch depend on
the previous patches in this series, or I can take it now and apply
to the LEDs git?

-- 
Best regards,
Jacek Anaszewski