[PATCH 1/1] power: reset: remove unused imx-snvs-poweroff driver

[Sebastian Reichel]

Hi,

On Fri, Dec 22, 2017 at 06:28:59PM +0800, Dong Aisheng wrote:
> There's no user of it in kernel now and it basically functions the same
> as the generic syscon-poweroff.c to which we have already switched.
> So let's remove it.
> 
> Cc: Robin Gong <yibin.gong at nxp.com>
> Cc: Shawn Guo <shawnguo at kernel.org>
> Signed-off-by: Dong Aisheng <aisheng.dong at nxp.com>
> ---

Thanks, queued.

-- Sebastian

>  .../bindings/power/reset/imx-snvs-poweroff.txt     | 23 --------
>  drivers/power/reset/Kconfig                        |  9 ---
>  drivers/power/reset/Makefile                       |  1 -
>  drivers/power/reset/imx-snvs-poweroff.c            | 66 ----------------------
>  4 files changed, 99 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/power/reset/imx-snvs-poweroff.txt
>  delete mode 100644 drivers/power/reset/imx-snvs-poweroff.c
> 
> diff --git a/Documentation/devicetree/bindings/power/reset/imx-snvs-poweroff.txt b/Documentation/devicetree/bindings/power/reset/imx-snvs-poweroff.txt
> deleted file mode 100644
> index 1b81fcd..0000000
> --- a/Documentation/devicetree/bindings/power/reset/imx-snvs-poweroff.txt
> +++ /dev/null
> @@ -1,23 +0,0 @@
> -i.mx6 Poweroff Driver
> -
> -SNVS_LPCR in SNVS module can power off the whole system by pull
> -PMIC_ON_REQ low if PMIC_ON_REQ is connected with external PMIC.
> -If you don't want to use PMIC_ON_REQ as power on/off control,
> -please set status='disabled' to disable this driver.
> -
> -Required Properties:
> --compatible: "fsl,sec-v4.0-poweroff"
> --reg: Specifies the physical address of the SNVS_LPCR register
> -
> -Example:
> -	snvs at 20cc000 {
> -		compatible = "fsl,sec-v4.0-mon", "simple-bus";
> -		#address-cells = <1>;
> -		#size-cells = <1>;
> -		ranges = <0 0x020cc000 0x4000>;
> -		.....
> -		snvs_poweroff: snvs-poweroff at 38 {
> -			compatible = "fsl,sec-v4.0-poweroff";
> -			reg = <0x38 0x4>;
> -		};
> -	}
> diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig
> index ca0de1a..a102e74 100644
> --- a/drivers/power/reset/Kconfig
> +++ b/drivers/power/reset/Kconfig
> @@ -98,15 +98,6 @@ config POWER_RESET_HISI
>  	help
>  	  Reboot support for Hisilicon boards.
>  
> -config POWER_RESET_IMX
> -	bool "IMX6 power-off driver"
> -	depends on POWER_RESET && SOC_IMX6
> -	help
> -	  This driver support power off external PMIC by PMIC_ON_REQ on i.mx6
> -	  boards.If you want to use other pin to control external power,please
> -	  say N here or disable in dts to make sure pm_power_off never be
> -	  overwrote wrongly by this driver.
> -
>  config POWER_RESET_MSM
>  	bool "Qualcomm MSM power-off driver"
>  	depends on ARCH_QCOM
> diff --git a/drivers/power/reset/Makefile b/drivers/power/reset/Makefile
> index aeb65ed..dcc92f5 100644
> --- a/drivers/power/reset/Makefile
> +++ b/drivers/power/reset/Makefile
> @@ -10,7 +10,6 @@ obj-$(CONFIG_POWER_RESET_GEMINI_POWEROFF) += gemini-poweroff.o
>  obj-$(CONFIG_POWER_RESET_GPIO) += gpio-poweroff.o
>  obj-$(CONFIG_POWER_RESET_GPIO_RESTART) += gpio-restart.o
>  obj-$(CONFIG_POWER_RESET_HISI) += hisi-reboot.o
> -obj-$(CONFIG_POWER_RESET_IMX) += imx-snvs-poweroff.o
>  obj-$(CONFIG_POWER_RESET_MSM) += msm-poweroff.o
>  obj-$(CONFIG_POWER_RESET_PIIX4_POWEROFF) += piix4-poweroff.o
>  obj-$(CONFIG_POWER_RESET_LTC2952) += ltc2952-poweroff.o
> diff --git a/drivers/power/reset/imx-snvs-poweroff.c b/drivers/power/reset/imx-snvs-poweroff.c
> deleted file mode 100644
> index ad6ce50..0000000
> --- a/drivers/power/reset/imx-snvs-poweroff.c
> +++ /dev/null
> @@ -1,66 +0,0 @@
> -/* Power off driver for i.mx6
> - * Copyright (c) 2014, FREESCALE CORPORATION.  All rights reserved.
> - *
> - * based on msm-poweroff.c
> - *
> - * This program is free software; you can redistribute it and/or modify
> - * it under the terms of the GNU General Public License version 2 and
> - * only version 2 as published by the Free Software Foundation.
> - *
> - * This program is distributed in the hope that it will be useful,
> - * but WITHOUT ANY WARRANTY; without even the implied warranty of
> - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> - * GNU General Public License for more details.
> - *
> - */
> -
> -#include <linux/err.h>
> -#include <linux/init.h>
> -#include <linux/io.h>
> -#include <linux/kernel.h>
> -#include <linux/module.h>
> -#include <linux/of.h>
> -#include <linux/of_address.h>
> -#include <linux/platform_device.h>
> -
> -static void __iomem *snvs_base;
> -
> -static void do_imx_poweroff(void)
> -{
> -	u32 value = readl(snvs_base);
> -
> -	/* set TOP and DP_EN bit */
> -	writel(value | 0x60, snvs_base);
> -}
> -
> -static int imx_poweroff_probe(struct platform_device *pdev)
> -{
> -	snvs_base = of_iomap(pdev->dev.of_node, 0);
> -	if (!snvs_base) {
> -		dev_err(&pdev->dev, "failed to get memory\n");
> -		return -ENODEV;
> -	}
> -
> -	pm_power_off = do_imx_poweroff;
> -	return 0;
> -}
> -
> -static const struct of_device_id of_imx_poweroff_match[] = {
> -	{ .compatible = "fsl,sec-v4.0-poweroff", },
> -	{},
> -};
> -MODULE_DEVICE_TABLE(of, of_imx_poweroff_match);
> -
> -static struct platform_driver imx_poweroff_driver = {
> -	.probe = imx_poweroff_probe,
> -	.driver = {
> -		.name = "imx-snvs-poweroff",
> -		.of_match_table = of_match_ptr(of_imx_poweroff_match),
> -	},
> -};
> -
> -static int __init imx_poweroff_init(void)
> -{
> -	return platform_driver_register(&imx_poweroff_driver);
> -}
> -device_initcall(imx_poweroff_init);
> -- 
> 2.7.4
> 
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