b96fc2f3c1
Now that __cpuinit has been removed, the __ref markings on these functions are useless. Remove them. This also reduces the size of the multi_v7_defconfig image: $ size before after text data bss dec hex filename 12683578 1470996 348904 14503478 dd4e36 before 12683274 1470996 348904 14503174 dd4d06 after presumably because now we don't have to jump to code in the .ref.text section and/or the noinline marking is removed. Cc: Shiraz Hashim <shiraz.linux.kernel@gmail.com> Cc: Stephen Warren <swarren@wwwdotorg.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: <linux-omap@vger.kernel.org> Cc: <linux-arm-msm@vger.kernel.org> Cc: <spear-devel@list.st.com> Cc: <linux-tegra@vger.kernel.org> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Barry Song <baohua@kernel.org> Acked-by: Andy Gross <agross@codeaurora.org> Acked-by: Viresh Kumar <vireshk@kernel.org> Acked-by: Thierry Reding <thierry.reding@gmail.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Olof Johansson <olof@lixom.net>
67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
/*
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* OMAP4 SMP cpu-hotplug support
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*
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* Copyright (C) 2010 Texas Instruments, Inc.
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* Author:
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* Santosh Shilimkar <santosh.shilimkar@ti.com>
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*
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* Platform file needed for the OMAP4 SMP. This file is based on arm
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* realview smp platform.
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* Copyright (c) 2002 ARM Limited.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/smp.h>
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#include <linux/io.h>
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#include "omap-wakeupgen.h"
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#include "common.h"
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#include "powerdomain.h"
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/*
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* platform-specific code to shutdown a CPU
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* Called with IRQs disabled
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*/
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void omap4_cpu_die(unsigned int cpu)
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{
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unsigned int boot_cpu = 0;
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void __iomem *base = omap_get_wakeupgen_base();
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/*
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* we're ready for shutdown now, so do it
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*/
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if (omap_secure_apis_support()) {
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if (omap_modify_auxcoreboot0(0x0, 0x200) != 0x0)
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pr_err("Secure clear status failed\n");
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} else {
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writel_relaxed(0, base + OMAP_AUX_CORE_BOOT_0);
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}
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for (;;) {
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/*
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* Enter into low power state
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*/
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omap4_hotplug_cpu(cpu, PWRDM_POWER_OFF);
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if (omap_secure_apis_support())
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boot_cpu = omap_read_auxcoreboot0();
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else
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boot_cpu =
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readl_relaxed(base + OMAP_AUX_CORE_BOOT_0) >> 5;
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if (boot_cpu == smp_processor_id()) {
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/*
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* OK, proper wakeup, we're done
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*/
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break;
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}
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pr_debug("CPU%u: spurious wakeup call\n", cpu);
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}
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}
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