---

yaml
---
r: 7863
b: refs/heads/master
c: b38d950
h: refs/heads/master
i:
  7861: 5fec486
  7859: 0dc01a2
  7855: 70556e7
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4e1491847ef5ca1c5a661601d5f96dcb7d90d2f0
+refs/heads/master: b38d950d3aedf90c8b15b3c7c799b5eb53c47c45

trunk/Documentation/acpi-hotkey.txt

@@ -35,4 +35,4 @@ created.  Please use command "cat /proc/acpi/hotkey/polling_method"
 to retrieve it.
 
 Note: Use cmdline "acpi_generic_hotkey" to over-ride
-platform-specific with generic driver.
+loading any platform specific drivers.

trunk/arch/arm/common/locomo.c

@@ -541,6 +541,103 @@ locomo_init_one_child(struct locomo *lchip, struct locomo_dev_info *info)
 	return ret;
 }
 
+#ifdef CONFIG_PM
+
+struct locomo_save_data {
+	u16	LCM_GPO;
+	u16	LCM_SPICT;
+	u16	LCM_GPE;
+	u16	LCM_ASD;
+	u16	LCM_SPIMD;
+};
+
+static int locomo_suspend(struct device *dev, u32 pm_message_t, u32 level)
+{
+	struct locomo *lchip = dev_get_drvdata(dev);
+	struct locomo_save_data *save;
+	unsigned long flags;
+
+	if (level != SUSPEND_DISABLE)
+		return 0;
+
+	save = kmalloc(sizeof(struct locomo_save_data), GFP_KERNEL);
+	if (!save)
+		return -ENOMEM;
+
+	dev->power.saved_state = (void *) save;
+
+	spin_lock_irqsave(&lchip->lock, flags);
+
+	save->LCM_GPO     = locomo_readl(lchip->base + LOCOMO_GPO);	/* GPIO */
+	locomo_writel(0x00, lchip->base + LOCOMO_GPO);
+	save->LCM_SPICT   = locomo_readl(lchip->base + LOCOMO_SPICT);	/* SPI */
+	locomo_writel(0x40, lchip->base + LOCOMO_SPICT);
+	save->LCM_GPE     = locomo_readl(lchip->base + LOCOMO_GPE);	/* GPIO */
+	locomo_writel(0x00, lchip->base + LOCOMO_GPE);
+	save->LCM_ASD     = locomo_readl(lchip->base + LOCOMO_ASD);	/* ADSTART */
+	locomo_writel(0x00, lchip->base + LOCOMO_ASD);
+	save->LCM_SPIMD   = locomo_readl(lchip->base + LOCOMO_SPIMD);	/* SPI */
+	locomo_writel(0x3C14, lchip->base + LOCOMO_SPIMD);
+
+	locomo_writel(0x00, lchip->base + LOCOMO_PAIF);
+	locomo_writel(0x00, lchip->base + LOCOMO_DAC);
+	locomo_writel(0x00, lchip->base + LOCOMO_BACKLIGHT + LOCOMO_TC);
+
+	if ( (locomo_readl(lchip->base + LOCOMO_LED + LOCOMO_LPT0) & 0x88) && (locomo_readl(lchip->base + LOCOMO_LED + LOCOMO_LPT1) & 0x88) )
+		locomo_writel(0x00, lchip->base + LOCOMO_C32K); 	/* CLK32 off */
+	else
+		/* 18MHz already enabled, so no wait */
+		locomo_writel(0xc1, lchip->base + LOCOMO_C32K); 	/* CLK32 on */
+
+	locomo_writel(0x00, lchip->base + LOCOMO_TADC);		/* 18MHz clock off*/
+	locomo_writel(0x00, lchip->base + LOCOMO_AUDIO + LOCOMO_ACC);			/* 22MHz/24MHz clock off */
+	locomo_writel(0x00, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);			/* FL */
+
+	spin_unlock_irqrestore(&lchip->lock, flags);
+
+	return 0;
+}
+
+static int locomo_resume(struct device *dev, u32 level)
+{
+	struct locomo *lchip = dev_get_drvdata(dev);
+	struct locomo_save_data *save;
+	unsigned long r;
+	unsigned long flags;
+
+	if (level != RESUME_ENABLE)
+		return 0;
+
+	save = (struct locomo_save_data *) dev->power.saved_state;
+	if (!save)
+		return 0;
+
+	spin_lock_irqsave(&lchip->lock, flags);
+
+	locomo_writel(save->LCM_GPO, lchip->base + LOCOMO_GPO);
+	locomo_writel(save->LCM_SPICT, lchip->base + LOCOMO_SPICT);
+	locomo_writel(save->LCM_GPE, lchip->base + LOCOMO_GPE);
+	locomo_writel(save->LCM_ASD, lchip->base + LOCOMO_ASD);
+	locomo_writel(save->LCM_SPIMD, lchip->base + LOCOMO_SPIMD);
+
+	locomo_writel(0x00, lchip->base + LOCOMO_C32K);
+	locomo_writel(0x90, lchip->base + LOCOMO_TADC);
+
+	locomo_writel(0, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KSC);
+	r = locomo_readl(lchip->base + LOCOMO_KEYBOARD + LOCOMO_KIC);
+	r &= 0xFEFF;
+	locomo_writel(r, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KIC);
+	locomo_writel(0x1, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KCMD);
+
+	spin_unlock_irqrestore(&lchip->lock, flags);
+
+	dev->power.saved_state = NULL;
+	kfree(save);
+
+	return 0;
+}
+#endif
+
 /**
  *	locomo_probe - probe for a single LoCoMo chip.
  *	@phys_addr: physical address of device.
@@ -707,6 +804,10 @@ static struct device_driver locomo_device_driver = {
 	.bus		= &platform_bus_type,
 	.probe		= locomo_probe,
 	.remove		= locomo_remove,
+#ifdef CONFIG_PM
+	.suspend	= locomo_suspend,
+	.resume		= locomo_resume,
+#endif
 };
 
 /*

trunk/arch/i386/Kconfig

@@ -1212,6 +1212,7 @@ config PCI_DIRECT
 config PCI_MMCONFIG
 	bool
 	depends on PCI && ACPI && (PCI_GOMMCONFIG || PCI_GOANY)
+	select ACPI_BOOT
 	default y
 
 source "drivers/pci/pcie/Kconfig"

trunk/arch/i386/defconfig

@@ -131,6 +131,8 @@ CONFIG_SOFTWARE_SUSPEND=y
 # ACPI (Advanced Configuration and Power Interface) Support
 #
 CONFIG_ACPI=y
+CONFIG_ACPI_BOOT=y
+CONFIG_ACPI_INTERPRETER=y
 CONFIG_ACPI_SLEEP=y
 CONFIG_ACPI_SLEEP_PROC_FS=y
 CONFIG_ACPI_AC=y
@@ -142,8 +144,10 @@ CONFIG_ACPI_THERMAL=y
 # CONFIG_ACPI_ASUS is not set
 # CONFIG_ACPI_TOSHIBA is not set
 # CONFIG_ACPI_DEBUG is not set
+CONFIG_ACPI_BUS=y
 CONFIG_ACPI_EC=y
 CONFIG_ACPI_POWER=y
+CONFIG_ACPI_PCI=y
 CONFIG_ACPI_SYSTEM=y
 # CONFIG_X86_PM_TIMER is not set
 

trunk/arch/i386/kernel/Makefile

@@ -11,7 +11,7 @@ obj-y	:= process.o semaphore.o signal.o entry.o traps.o irq.o vm86.o \
 
 obj-y				+= cpu/
 obj-y				+= timers/
-obj-$(CONFIG_ACPI)		+= acpi/
+obj-$(CONFIG_ACPI_BOOT)		+= acpi/
 obj-$(CONFIG_X86_BIOS_REBOOT)	+= reboot.o
 obj-$(CONFIG_MCA)		+= mca.o
 obj-$(CONFIG_X86_MSR)		+= msr.o

trunk/arch/i386/kernel/acpi/Makefile

@@ -1,4 +1,4 @@
-obj-y				:= boot.o
+obj-$(CONFIG_ACPI_BOOT)		:= boot.o
 obj-$(CONFIG_X86_IO_APIC)	+= earlyquirk.o
 obj-$(CONFIG_ACPI_SLEEP)	+= sleep.o wakeup.o