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authorLinus Torvalds <torvalds@linux-foundation.org>2016-01-21 05:10:05 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-21 05:10:05 +0300
commit1305eda751d7df3069b1fcb6f62036185acd24a0 (patch)
treeb71994e0a31f0a429575e605ada9880dcf48e1b1 /arch/arm/mach-exynos/pmu.c
parent6b5a12dbca7a8681ecb78dbebaedc1f8364ebd10 (diff)
parentd6bd05794f18673097ec5e62e577754649a5c632 (diff)
downloadlinux-1305eda751d7df3069b1fcb6f62036185acd24a0.tar.xz
Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson: "Updates for new platform support: - New platform: Tango4 from Sigma Designs. - Broadcom BCM2836 (Raspberry Pi 2 SoC) - Enable cpufreq on Freescale i.MX7D - Rockchip: SMP support for rk3036, general support for rk3228 - SMP support on Broadcom Kona and NSP - Cleanups for OMAP removing legacy IOMMU data + a bunch of misc fixes and tweaks for various platforms" * tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (46 commits) ARM: tango: Fix UP build issues ARM: tango: pass ARM arch level for smc.S ARM: bcm2835: Add Kconfig support for bcm2836 ARM: OMAP2+: Add support for dm814x and dra62x usb ARM: OMAP2+: Add mmc hwmod entries for dm814x ARM: OMAP2+: Update 81xx clock and power domains for default, active and sgx ARM: OMAP2+: Fix SoC detection for dra62x j5-eco ARM: tango4: Initial platform support ARM: bcm2835: Add a compat string for bcm2836 machine probe dt-bindings: Add root properties for Raspberry Pi 2 ARM: imx: select SRC for i.MX7 ARM: uniphier: select PINCTRL ARM: OMAP2+: Remove device creation for omap-pcm-audio ARM: OMAP1: Remove device creation for omap-pcm-audio ARM: rockchip: enable support for RK3228 SoCs ARM: rockchip: use const and __initconst for rk3036 smp_operations ARM: zynq: Select ARCH_HAS_RESET_CONTROLLER ARM: BCM: Add SMP support for Broadcom 4708 ARM: BCM: Add SMP support for Broadcom NSP ARM: BCM: Clean up SMP support for Broadcom Kona ...
Diffstat (limited to 'arch/arm/mach-exynos/pmu.c')
-rw-r--r--arch/arm/mach-exynos/pmu.c45
1 files changed, 2 insertions, 43 deletions
diff --git a/arch/arm/mach-exynos/pmu.c b/arch/arm/mach-exynos/pmu.c
index c21e41dad19c..dbf9fe98d479 100644
--- a/arch/arm/mach-exynos/pmu.c
+++ b/arch/arm/mach-exynos/pmu.c
@@ -14,9 +14,8 @@
#include <linux/of_address.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
-#include <linux/notifier.h>
-#include <linux/reboot.h>
+#include <asm/cputype.h>
#include "exynos-pmu.h"
#include "regs-pmu.h"
@@ -681,23 +680,6 @@ static unsigned int const exynos5420_list_disable_pmu_reg[] = {
EXYNOS5420_CMU_RESET_FSYS_SYS_PWR_REG,
};
-static void exynos_power_off(void)
-{
- unsigned int tmp;
-
- pr_info("Power down.\n");
- tmp = pmu_raw_readl(EXYNOS_PS_HOLD_CONTROL);
- tmp ^= (1 << 8);
- pmu_raw_writel(tmp, EXYNOS_PS_HOLD_CONTROL);
-
- /* Wait a little so we don't give a false warning below */
- mdelay(100);
-
- pr_err("Power down failed, please power off system manually.\n");
- while (1)
- ;
-}
-
static void exynos5420_powerdown_conf(enum sys_powerdown mode)
{
u32 this_cluster;
@@ -879,14 +861,6 @@ static void exynos5420_pmu_init(void)
pr_info("EXYNOS5420 PMU initialized\n");
}
-static int pmu_restart_notify(struct notifier_block *this,
- unsigned long code, void *unused)
-{
- pmu_raw_writel(0x1, EXYNOS_SWRESET);
-
- return NOTIFY_DONE;
-}
-
static const struct exynos_pmu_data exynos3250_pmu_data = {
.pmu_config = exynos3250_pmu_config,
.pmu_init = exynos3250_pmu_init,
@@ -912,7 +886,7 @@ static const struct exynos_pmu_data exynos5250_pmu_data = {
.powerdown_conf = exynos5_powerdown_conf,
};
-static struct exynos_pmu_data exynos5420_pmu_data = {
+static const struct exynos_pmu_data exynos5420_pmu_data = {
.pmu_config = exynos5420_pmu_config,
.pmu_init = exynos5420_pmu_init,
.powerdown_conf = exynos5420_powerdown_conf,
@@ -944,20 +918,11 @@ static const struct of_device_id exynos_pmu_of_device_ids[] = {
{ /*sentinel*/ },
};
-/*
- * Exynos PMU restart notifier, handles restart functionality
- */
-static struct notifier_block pmu_restart_handler = {
- .notifier_call = pmu_restart_notify,
- .priority = 128,
-};
-
static int exynos_pmu_probe(struct platform_device *pdev)
{
const struct of_device_id *match;
struct device *dev = &pdev->dev;
struct resource *res;
- int ret;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
pmu_base_addr = devm_ioremap_resource(dev, res);
@@ -982,12 +947,6 @@ static int exynos_pmu_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, pmu_context);
- ret = register_restart_handler(&pmu_restart_handler);
- if (ret)
- dev_warn(dev, "can't register restart handler err=%d\n", ret);
-
- pm_power_off = exynos_power_off;
-
dev_dbg(dev, "Exynos PMU Driver probe done\n");
return 0;
}