[ACPI] merge 3549 4320 4485 4588 4980 5483 5651 acpica asus fops pnpa…

…cpi branches into release

Signed-off-by: Len Brown <[email protected]>

Documentation/kernel-parameters.txt

@@ -452,6 +452,11 @@ running once the system is up.
 
 	eata=		[HW,SCSI]
 
+	ec_intr=	[HW,ACPI] ACPI Embedded Controller interrupt mode
+			Format: <int>
+			0: polling mode
+			non-0: interrupt mode (default)
+
 	eda=		[HW,PS2]
 
 	edb=		[HW,PS2]

arch/i386/kernel/acpi/Makefile

@@ -3,6 +3,6 @@ obj-$(CONFIG_X86_IO_APIC)	+= earlyquirk.o
 obj-$(CONFIG_ACPI_SLEEP)	+= sleep.o wakeup.o
 
 ifneq ($(CONFIG_ACPI_PROCESSOR),)
-obj-y				+= cstate.o
+obj-y				+= cstate.o processor.o
 endif
 

arch/i386/kernel/acpi/boot.c

@@ -464,7 +464,7 @@ int acpi_gsi_to_irq(u32 gsi, unsigned int *irq)
  * success: return IRQ number (>=0)
  * failure: return < 0
  */
-int acpi_register_gsi(u32 gsi, int edge_level, int active_high_low)
+int acpi_register_gsi(u32 gsi, int triggering, int polarity)
 {
 	unsigned int irq;
 	unsigned int plat_gsi = gsi;
@@ -476,14 +476,14 @@ int acpi_register_gsi(u32 gsi, int edge_level, int active_high_low)
 	if (acpi_irq_model == ACPI_IRQ_MODEL_PIC) {
 		extern void eisa_set_level_irq(unsigned int irq);
 
-		if (edge_level == ACPI_LEVEL_SENSITIVE)
+		if (triggering == ACPI_LEVEL_SENSITIVE)
 			eisa_set_level_irq(gsi);
 	}
 #endif
 
 #ifdef CONFIG_X86_IO_APIC
 	if (acpi_irq_model == ACPI_IRQ_MODEL_IOAPIC) {
-		plat_gsi = mp_register_gsi(gsi, edge_level, active_high_low);
+		plat_gsi = mp_register_gsi(gsi, triggering, polarity);
 	}
 #endif
 	acpi_gsi_to_irq(plat_gsi, &irq);

arch/i386/kernel/acpi/cstate.c

@@ -14,64 +14,6 @@
 #include <acpi/processor.h>
 #include <asm/acpi.h>
 
-static void acpi_processor_power_init_intel_pdc(struct acpi_processor_power
-						*pow)
-{
-	struct acpi_object_list *obj_list;
-	union acpi_object *obj;
-	u32 *buf;
-
-	/* allocate and initialize pdc. It will be used later. */
-	obj_list = kmalloc(sizeof(struct acpi_object_list), GFP_KERNEL);
-	if (!obj_list) {
-		printk(KERN_ERR "Memory allocation error\n");
-		return;
-	}
-
-	obj = kmalloc(sizeof(union acpi_object), GFP_KERNEL);
-	if (!obj) {
-		printk(KERN_ERR "Memory allocation error\n");
-		kfree(obj_list);
-		return;
-	}
-
-	buf = kmalloc(12, GFP_KERNEL);
-	if (!buf) {
-		printk(KERN_ERR "Memory allocation error\n");
-		kfree(obj);
-		kfree(obj_list);
-		return;
-	}
-
-	buf[0] = ACPI_PDC_REVISION_ID;
-	buf[1] = 1;
-	buf[2] = ACPI_PDC_C_CAPABILITY_SMP;
-
-	obj->type = ACPI_TYPE_BUFFER;
-	obj->buffer.length = 12;
-	obj->buffer.pointer = (u8 *) buf;
-	obj_list->count = 1;
-	obj_list->pointer = obj;
-	pow->pdc = obj_list;
-
-	return;
-}
-
-/* Initialize _PDC data based on the CPU vendor */
-void acpi_processor_power_init_pdc(struct acpi_processor_power *pow,
-				   unsigned int cpu)
-{
-	struct cpuinfo_x86 *c = cpu_data + cpu;
-
-	pow->pdc = NULL;
-	if (c->x86_vendor == X86_VENDOR_INTEL)
-		acpi_processor_power_init_intel_pdc(pow);
-
-	return;
-}
-
-EXPORT_SYMBOL(acpi_processor_power_init_pdc);
-
 /*
  * Initialize bm_flags based on the CPU cache properties
  * On SMP it depends on cache configuration

arch/i386/kernel/acpi/processor.c

@@ -0,0 +1,75 @@
+/*
+ * arch/i386/kernel/acpi/processor.c
+ *
+ * Copyright (C) 2005 Intel Corporation
+ * 	Venkatesh Pallipadi <[email protected]>
+ * 	- Added _PDC for platforms with Intel CPUs
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/acpi.h>
+
+#include <acpi/processor.h>
+#include <asm/acpi.h>
+
+static void init_intel_pdc(struct acpi_processor *pr, struct cpuinfo_x86 *c)
+{
+	struct acpi_object_list *obj_list;
+	union acpi_object *obj;
+	u32 *buf;
+
+	/* allocate and initialize pdc. It will be used later. */
+	obj_list = kmalloc(sizeof(struct acpi_object_list), GFP_KERNEL);
+	if (!obj_list) {
+		printk(KERN_ERR "Memory allocation error\n");
+		return;
+	}
+
+	obj = kmalloc(sizeof(union acpi_object), GFP_KERNEL);
+	if (!obj) {
+		printk(KERN_ERR "Memory allocation error\n");
+		kfree(obj_list);
+		return;
+	}
+
+	buf = kmalloc(12, GFP_KERNEL);
+	if (!buf) {
+		printk(KERN_ERR "Memory allocation error\n");
+		kfree(obj);
+		kfree(obj_list);
+		return;
+	}
+
+	buf[0] = ACPI_PDC_REVISION_ID;
+	buf[1] = 1;
+	buf[2] = ACPI_PDC_C_CAPABILITY_SMP;
+
+	if (cpu_has(c, X86_FEATURE_EST))
+		buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP;
+
+	obj->type = ACPI_TYPE_BUFFER;
+	obj->buffer.length = 12;
+	obj->buffer.pointer = (u8 *) buf;
+	obj_list->count = 1;
+	obj_list->pointer = obj;
+	pr->pdc = obj_list;
+
+	return;
+}
+
+/* Initialize _PDC data based on the CPU vendor */
+void arch_acpi_processor_init_pdc(struct acpi_processor *pr)
+{
+	unsigned int cpu = pr->id;
+	struct cpuinfo_x86 *c = cpu_data + cpu;
+
+	pr->pdc = NULL;
+	if (c->x86_vendor == X86_VENDOR_INTEL)
+		init_intel_pdc(pr, c);
+
+	return;
+}
+
+EXPORT_SYMBOL(arch_acpi_processor_init_pdc);

arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c

@@ -295,68 +295,6 @@ acpi_cpufreq_guess_freq (
 }
 
 
-/* 
- * acpi_processor_cpu_init_pdc_est - let BIOS know about the SMP capabilities
- * of this driver
- * @perf: processor-specific acpi_io_data struct
- * @cpu: CPU being initialized
- *
- * To avoid issues with legacy OSes, some BIOSes require to be informed of
- * the SMP capabilities of OS P-state driver. Here we set the bits in _PDC 
- * accordingly, for Enhanced Speedstep. Actual call to _PDC is done in
- * driver/acpi/processor.c
- */
-static void 
-acpi_processor_cpu_init_pdc_est(
-		struct acpi_processor_performance *perf, 
-		unsigned int cpu,
-		struct acpi_object_list *obj_list
-		)
-{
-	union acpi_object *obj;
-	u32 *buf;
-	struct cpuinfo_x86 *c = cpu_data + cpu;
-	dprintk("acpi_processor_cpu_init_pdc_est\n");
-
-	if (!cpu_has(c, X86_FEATURE_EST))
-		return;
-
-	/* Initialize pdc. It will be used later. */
-	if (!obj_list)
-		return;
-
-	if (!(obj_list->count && obj_list->pointer))
-		return;
-
-	obj = obj_list->pointer;
-	if ((obj->buffer.length == 12) && obj->buffer.pointer) {
-		buf = (u32 *)obj->buffer.pointer;
-       		buf[0] = ACPI_PDC_REVISION_ID;
-       		buf[1] = 1;
-       		buf[2] = ACPI_PDC_EST_CAPABILITY_SMP;
-		perf->pdc = obj_list;
-	}
-	return;
-}
-
-
-/* CPU specific PDC initialization */
-static void 
-acpi_processor_cpu_init_pdc(
-		struct acpi_processor_performance *perf, 
-		unsigned int cpu,
-		struct acpi_object_list *obj_list
-		)
-{
-	struct cpuinfo_x86 *c = cpu_data + cpu;
-	dprintk("acpi_processor_cpu_init_pdc\n");
-	perf->pdc = NULL;
-	if (cpu_has(c, X86_FEATURE_EST))
-		acpi_processor_cpu_init_pdc_est(perf, cpu, obj_list);
-	return;
-}
-
-
 static int
 acpi_cpufreq_cpu_init (
 	struct cpufreq_policy   *policy)
@@ -367,24 +305,15 @@ acpi_cpufreq_cpu_init (
 	unsigned int		result = 0;
 	struct cpuinfo_x86 *c = &cpu_data[policy->cpu];
 
-	union acpi_object		arg0 = {ACPI_TYPE_BUFFER};
-	u32				arg0_buf[3];
-	struct acpi_object_list 	arg_list = {1, &arg0};
-
 	dprintk("acpi_cpufreq_cpu_init\n");
-	/* setup arg_list for _PDC settings */
-        arg0.buffer.length = 12;
-        arg0.buffer.pointer = (u8 *) arg0_buf;
 
 	data = kzalloc(sizeof(struct cpufreq_acpi_io), GFP_KERNEL);
 	if (!data)
 		return (-ENOMEM);
 
 	acpi_io_data[cpu] = data;
 
-	acpi_processor_cpu_init_pdc(&data->acpi_data, cpu, &arg_list);
 	result = acpi_processor_register_performance(&data->acpi_data, cpu);
-	data->acpi_data.pdc = NULL;
 
 	if (result)
 		goto err_free;

arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c

@@ -362,22 +362,10 @@ static struct acpi_processor_performance p;
  */
 static int centrino_cpu_init_acpi(struct cpufreq_policy *policy)
 {
-	union acpi_object		arg0 = {ACPI_TYPE_BUFFER};
-	u32				arg0_buf[3];
-	struct acpi_object_list		arg_list = {1, &arg0};
 	unsigned long			cur_freq;
 	int				result = 0, i;
 	unsigned int			cpu = policy->cpu;
 
-	/* _PDC settings */
-	arg0.buffer.length = 12;
-	arg0.buffer.pointer = (u8 *) arg0_buf;
-	arg0_buf[0] = ACPI_PDC_REVISION_ID;
-	arg0_buf[1] = 1;
-	arg0_buf[2] = ACPI_PDC_EST_CAPABILITY_SMP_MSR;
-
-	p.pdc = &arg_list;
-
 	/* register with ACPI core */
 	if (acpi_processor_register_performance(&p, cpu)) {
 		dprintk(KERN_INFO PFX "obtaining ACPI data failed\n");

arch/i386/kernel/mpparse.c

@@ -1080,7 +1080,7 @@ void __init mp_config_acpi_legacy_irqs (void)
 
 #define MAX_GSI_NUM	4096
 
-int mp_register_gsi (u32 gsi, int edge_level, int active_high_low)
+int mp_register_gsi (u32 gsi, int triggering, int polarity)
 {
 	int			ioapic = -1;
 	int			ioapic_pin = 0;
@@ -1129,7 +1129,7 @@ int mp_register_gsi (u32 gsi, int edge_level, int active_high_low)
 
 	mp_ioapic_routing[ioapic].pin_programmed[idx] |= (1<<bit);
 
-	if (edge_level) {
+	if (triggering == ACPI_LEVEL_SENSITIVE) {
 		/*
 		 * For PCI devices assign IRQs in order, avoiding gaps
 		 * due to unused I/O APIC pins.
@@ -1151,8 +1151,8 @@ int mp_register_gsi (u32 gsi, int edge_level, int active_high_low)
 	}
 
 	io_apic_set_pci_routing(ioapic, ioapic_pin, gsi,
-		    edge_level == ACPI_EDGE_SENSITIVE ? 0 : 1,
-		    active_high_low == ACPI_ACTIVE_HIGH ? 0 : 1);
+		    triggering == ACPI_EDGE_SENSITIVE ? 0 : 1,
+		    polarity == ACPI_ACTIVE_HIGH ? 0 : 1);
 	return gsi;
 }
 

arch/ia64/kernel/Makefile

@@ -13,6 +13,11 @@ obj-$(CONFIG_IA64_BRL_EMU)	+= brl_emu.o
 obj-$(CONFIG_IA64_GENERIC)	+= acpi-ext.o
 obj-$(CONFIG_IA64_HP_ZX1)	+= acpi-ext.o
 obj-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += acpi-ext.o
+
+ifneq ($(CONFIG_ACPI_PROCESSOR),)
+obj-y				+= acpi-processor.o
+endif
+
 obj-$(CONFIG_IA64_PALINFO)	+= palinfo.o
 obj-$(CONFIG_IOSAPIC)		+= iosapic.o
 obj-$(CONFIG_MODULES)		+= module.o

arch/ia64/kernel/acpi-ext.c

@@ -33,33 +33,33 @@ acpi_vendor_resource_match(struct acpi_resource *resource, void *context)
 	struct acpi_vendor_info *info = (struct acpi_vendor_info *)context;
 	struct acpi_resource_vendor *vendor;
 	struct acpi_vendor_descriptor *descriptor;
-	u32 length;
+	u32 byte_length;
 
-	if (resource->id != ACPI_RSTYPE_VENDOR)
+	if (resource->type != ACPI_RESOURCE_TYPE_VENDOR)
 		return AE_OK;
 
 	vendor = (struct acpi_resource_vendor *)&resource->data;
-	descriptor = (struct acpi_vendor_descriptor *)vendor->reserved;
-	if (vendor->length <= sizeof(*info->descriptor) ||
+	descriptor = (struct acpi_vendor_descriptor *)vendor->byte_data;
+	if (vendor->byte_length <= sizeof(*info->descriptor) ||
 	    descriptor->guid_id != info->descriptor->guid_id ||
 	    efi_guidcmp(descriptor->guid, info->descriptor->guid))
 		return AE_OK;
 
-	length = vendor->length - sizeof(struct acpi_vendor_descriptor);
-	info->data = acpi_os_allocate(length);
+	byte_length = vendor->byte_length - sizeof(struct acpi_vendor_descriptor);
+	info->data = acpi_os_allocate(byte_length);
 	if (!info->data)
 		return AE_NO_MEMORY;
 
 	memcpy(info->data,
-	       vendor->reserved + sizeof(struct acpi_vendor_descriptor),
-	       length);
-	info->length = length;
+	       vendor->byte_data + sizeof(struct acpi_vendor_descriptor),
+	       byte_length);
+	info->length = byte_length;
 	return AE_CTRL_TERMINATE;
 }
 
 acpi_status
 acpi_find_vendor_resource(acpi_handle obj, struct acpi_vendor_descriptor * id,
-			  u8 ** data, u32 * length)
+			  u8 ** data, u32 * byte_length)
 {
 	struct acpi_vendor_info info;
 
@@ -72,7 +72,7 @@ acpi_find_vendor_resource(acpi_handle obj, struct acpi_vendor_descriptor * id,
 		return AE_NOT_FOUND;
 
 	*data = info.data;
-	*length = info.length;
+	*byte_length = info.length;
 	return AE_OK;
 }