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MIPS: SEAD3: Use generic restart-poweroff driver
Remove the custom platform code to restart when instructed to power off, instead relying upon the generic restart-poweroff driver probed via DT to do the same thing. Remove also the halt implementation, which is incorrect. The generic MIPS version will hang the system as halt should. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Jacek Anaszewski <j.anaszewski@samsung.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/14057/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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@ -103,6 +103,10 @@ reboot {
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offset = <0x50>;
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mask = <0x4d>;
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};
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poweroff {
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compatible = "restart-poweroff";
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};
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};
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system-controller@1f000200 {
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@ -81,6 +81,7 @@ CONFIG_I2C_CHARDEV=y
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# CONFIG_I2C_HELPER_AUTO is not set
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CONFIG_SPI=y
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CONFIG_POWER_RESET=y
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CONFIG_POWER_RESET_RESTART=y
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CONFIG_POWER_RESET_SYSCON=y
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CONFIG_SENSORS_ADT7475=y
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CONFIG_BACKLIGHT_LCD_SUPPORT=y
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@ -13,6 +13,5 @@ obj-y += sead3-display.o
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obj-y += sead3-dtshim.o
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obj-y += sead3-init.o
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obj-y += sead3-int.o
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obj-y += sead3-reset.o
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obj-y += sead3-setup.o
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obj-y += sead3-time.o
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@ -1,31 +0,0 @@
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/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
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*/
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#include <linux/io.h>
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#include <linux/pm.h>
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#include <asm/reboot.h>
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#define SOFTRES_REG 0x1f000050
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#define GORESET 0x4d
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static void mips_machine_halt(void)
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{
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unsigned int __iomem *softres_reg =
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ioremap(SOFTRES_REG, sizeof(unsigned int));
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__raw_writel(GORESET, softres_reg);
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}
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static int __init mips_reboot_setup(void)
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{
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_machine_halt = mips_machine_halt;
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pm_power_off = mips_machine_halt;
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return 0;
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}
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arch_initcall(mips_reboot_setup);
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