Auto-update from upstream
authorLen Brown <len.brown@intel.com>
Tue, 6 Dec 2005 21:27:40 +0000 (16:27 -0500)
committerLen Brown <len.brown@intel.com>
Tue, 6 Dec 2005 21:27:40 +0000 (16:27 -0500)
drivers/acpi/processor_idle.c
drivers/acpi/resources/rsinfo.c [new file with mode: 0644]

index 5f51057..807b0df 100644 (file)
@@ -274,8 +274,6 @@ static void acpi_processor_idle(void)
                }
        }
 
-       cx->usage++;
-
 #ifdef CONFIG_HOTPLUG_CPU
        /*
         * Check for P_LVL2_UP flag before entering C2 and above on
@@ -283,9 +281,12 @@ static void acpi_processor_idle(void)
         * detection phase, to work cleanly with logical CPU hotplug.
         */
        if ((cx->type != ACPI_STATE_C1) && (num_online_cpus() > 1) && 
-           !pr->flags.has_cst && acpi_fadt.plvl2_up)
-               cx->type = ACPI_STATE_C1;
+           !pr->flags.has_cst && !acpi_fadt.plvl2_up)
+               cx = &pr->power.states[ACPI_STATE_C1];
 #endif
+
+       cx->usage++;
+
        /*
         * Sleep:
         * ------
@@ -386,6 +387,15 @@ static void acpi_processor_idle(void)
 
        next_state = pr->power.state;
 
+#ifdef CONFIG_HOTPLUG_CPU
+       /* Don't do promotion/demotion */
+       if ((cx->type == ACPI_STATE_C1) && (num_online_cpus() > 1) &&
+           !pr->flags.has_cst && !acpi_fadt.plvl2_up) {
+               next_state = cx;
+               goto end;
+       }
+#endif
+
        /*
         * Promotion?
         * ----------
@@ -557,7 +567,7 @@ static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr)
         * Check for P_LVL2_UP flag before entering C2 and above on
         * an SMP system. 
         */
-       if ((num_online_cpus() > 1) && acpi_fadt.plvl2_up)
+       if ((num_online_cpus() > 1) && !acpi_fadt.plvl2_up)
                return_VALUE(-ENODEV);
 #endif
 
diff --git a/drivers/acpi/resources/rsinfo.c b/drivers/acpi/resources/rsinfo.c
new file mode 100644 (file)
index 0000000..49a5f81
--- /dev/null
@@ -0,0 +1,228 @@
+/*******************************************************************************
+ *
+ * Module Name: rsinfo - Dispatch and Info tables
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include <acpi/acresrc.h>
+
+#define _COMPONENT          ACPI_RESOURCES
+ACPI_MODULE_NAME("rsinfo")
+
+/*
+ * Resource dispatch and information tables. Any new resource types (either
+ * Large or Small) must be reflected in each of these tables, so they are here
+ * in one place.
+ *
+ * The tables for Large descriptors are indexed by bits 6:0 of the AML
+ * descriptor type byte. The tables for Small descriptors are indexed by
+ * bits 6:3 of the descriptor byte. The tables for internal resource
+ * descriptors are indexed by the acpi_resource_type field.
+ */
+/* Dispatch table for resource-to-AML (Set Resource) conversion functions */
+ACPI_SET_RESOURCE_HANDLER acpi_gbl_set_resource_dispatch[] = {
+       acpi_rs_set_irq,        /* 0x00, ACPI_RESOURCE_TYPE_IRQ */
+       acpi_rs_set_dma,        /* 0x01, ACPI_RESOURCE_TYPE_DMA */
+       acpi_rs_set_start_dpf,  /* 0x02, ACPI_RESOURCE_TYPE_START_DEPENDENT */
+       acpi_rs_set_end_dpf,    /* 0x03, ACPI_RESOURCE_TYPE_END_DEPENDENT */
+       acpi_rs_set_io,         /* 0x04, ACPI_RESOURCE_TYPE_IO */
+       acpi_rs_set_fixed_io,   /* 0x05, ACPI_RESOURCE_TYPE_FIXED_IO */
+       acpi_rs_set_vendor,     /* 0x06, ACPI_RESOURCE_TYPE_VENDOR */
+       acpi_rs_set_end_tag,    /* 0x07, ACPI_RESOURCE_TYPE_END_TAG */
+       acpi_rs_set_memory24,   /* 0x08, ACPI_RESOURCE_TYPE_MEMORY24 */
+       acpi_rs_set_memory32,   /* 0x09, ACPI_RESOURCE_TYPE_MEMORY32 */
+       acpi_rs_set_fixed_memory32,     /* 0x0A, ACPI_RESOURCE_TYPE_FIXED_MEMORY32 */
+       acpi_rs_set_address16,  /* 0x0B, ACPI_RESOURCE_TYPE_ADDRESS16 */
+       acpi_rs_set_address32,  /* 0x0C, ACPI_RESOURCE_TYPE_ADDRESS32 */
+       acpi_rs_set_address64,  /* 0x0D, ACPI_RESOURCE_TYPE_ADDRESS64 */
+       acpi_rs_set_ext_address64,      /* 0x0E, ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
+       acpi_rs_set_ext_irq,    /* 0x0F, ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
+       acpi_rs_set_generic_reg /* 0x10, ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
+};
+
+/* Dispatch tables for AML-to-resource (Get Resource) conversion functions */
+
+ACPI_GET_RESOURCE_HANDLER acpi_gbl_sm_get_resource_dispatch[] = {
+       NULL,                   /* 0x00, Reserved */
+       NULL,                   /* 0x01, Reserved */
+       NULL,                   /* 0x02, Reserved */
+       NULL,                   /* 0x03, Reserved */
+       acpi_rs_get_irq,        /* 0x04, ACPI_RESOURCE_NAME_IRQ */
+       acpi_rs_get_dma,        /* 0x05, ACPI_RESOURCE_NAME_DMA */
+       acpi_rs_get_start_dpf,  /* 0x06, ACPI_RESOURCE_NAME_START_DEPENDENT */
+       acpi_rs_get_end_dpf,    /* 0x07, ACPI_RESOURCE_NAME_END_DEPENDENT */
+       acpi_rs_get_io,         /* 0x08, ACPI_RESOURCE_NAME_IO */
+       acpi_rs_get_fixed_io,   /* 0x09, ACPI_RESOURCE_NAME_FIXED_IO */
+       NULL,                   /* 0x0A, Reserved */
+       NULL,                   /* 0x0B, Reserved */
+       NULL,                   /* 0x0C, Reserved */
+       NULL,                   /* 0x0D, Reserved */
+       acpi_rs_get_vendor,     /* 0x0E, ACPI_RESOURCE_NAME_VENDOR_SMALL */
+       acpi_rs_get_end_tag     /* 0x0F, ACPI_RESOURCE_NAME_END_TAG */
+};
+
+ACPI_GET_RESOURCE_HANDLER acpi_gbl_lg_get_resource_dispatch[] = {
+       NULL,                   /* 0x00, Reserved */
+       acpi_rs_get_memory24,   /* 0x01, ACPI_RESOURCE_NAME_MEMORY24 */
+       acpi_rs_get_generic_reg,        /* 0x02, ACPI_RESOURCE_NAME_GENERIC_REGISTER */
+       NULL,                   /* 0x03, Reserved */
+       acpi_rs_get_vendor,     /* 0x04, ACPI_RESOURCE_NAME_VENDOR_LARGE */
+       acpi_rs_get_memory32,   /* 0x05, ACPI_RESOURCE_NAME_MEMORY32 */
+       acpi_rs_get_fixed_memory32,     /* 0x06, ACPI_RESOURCE_NAME_FIXED_MEMORY32 */
+       acpi_rs_get_address32,  /* 0x07, ACPI_RESOURCE_NAME_ADDRESS32 */
+       acpi_rs_get_address16,  /* 0x08, ACPI_RESOURCE_NAME_ADDRESS16 */
+       acpi_rs_get_ext_irq,    /* 0x09, ACPI_RESOURCE_NAME_EXTENDED_IRQ */
+       acpi_rs_get_address64,  /* 0x0A, ACPI_RESOURCE_NAME_ADDRESS64 */
+       acpi_rs_get_ext_address64       /* 0x0B, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64 */
+};
+
+#ifdef ACPI_FUTURE_USAGE
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+
+/* Dispatch table for resource dump functions */
+
+ACPI_DUMP_RESOURCE_HANDLER acpi_gbl_dump_resource_dispatch[] = {
+       acpi_rs_dump_irq,       /* ACPI_RESOURCE_TYPE_IRQ */
+       acpi_rs_dump_dma,       /* ACPI_RESOURCE_TYPE_DMA */
+       acpi_rs_dump_start_dpf, /* ACPI_RESOURCE_TYPE_START_DEPENDENT */
+       acpi_rs_dump_end_dpf,   /* ACPI_RESOURCE_TYPE_END_DEPENDENT */
+       acpi_rs_dump_io,        /* ACPI_RESOURCE_TYPE_IO */
+       acpi_rs_dump_fixed_io,  /* ACPI_RESOURCE_TYPE_FIXED_IO */
+       acpi_rs_dump_vendor,    /* ACPI_RESOURCE_TYPE_VENDOR */
+       acpi_rs_dump_end_tag,   /* ACPI_RESOURCE_TYPE_END_TAG */
+       acpi_rs_dump_memory24,  /* ACPI_RESOURCE_TYPE_MEMORY24 */
+       acpi_rs_dump_memory32,  /* ACPI_RESOURCE_TYPE_MEMORY32 */
+       acpi_rs_dump_fixed_memory32,    /* ACPI_RESOURCE_TYPE_FIXED_MEMORY32 */
+       acpi_rs_dump_address16, /* ACPI_RESOURCE_TYPE_ADDRESS16 */
+       acpi_rs_dump_address32, /* ACPI_RESOURCE_TYPE_ADDRESS32 */
+       acpi_rs_dump_address64, /* ACPI_RESOURCE_TYPE_ADDRESS64 */
+       acpi_rs_dump_ext_address64,     /* ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
+       acpi_rs_dump_ext_irq,   /* ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
+       acpi_rs_dump_generic_reg        /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
+};
+#endif
+#endif /* ACPI_FUTURE_USAGE */
+
+/*
+ * Base sizes for external AML resource descriptors, indexed by internal type.
+ * Includes size of the descriptor header (1 byte for small descriptors,
+ * 3 bytes for large descriptors)
+ */
+u8 acpi_gbl_aml_resource_sizes[] = {
+       sizeof(struct aml_resource_irq),        /* ACPI_RESOURCE_TYPE_IRQ (optional Byte 3 always created) */
+       sizeof(struct aml_resource_dma),        /* ACPI_RESOURCE_TYPE_DMA */
+       sizeof(struct aml_resource_start_dependent),    /* ACPI_RESOURCE_TYPE_START_DEPENDENT (optional Byte 1 always created) */
+       sizeof(struct aml_resource_end_dependent),      /* ACPI_RESOURCE_TYPE_END_DEPENDENT */
+       sizeof(struct aml_resource_io), /* ACPI_RESOURCE_TYPE_IO */
+       sizeof(struct aml_resource_fixed_io),   /* ACPI_RESOURCE_TYPE_FIXED_IO */
+       sizeof(struct aml_resource_vendor_small),       /* ACPI_RESOURCE_TYPE_VENDOR */
+       sizeof(struct aml_resource_end_tag),    /* ACPI_RESOURCE_TYPE_END_TAG */
+       sizeof(struct aml_resource_memory24),   /* ACPI_RESOURCE_TYPE_MEMORY24 */
+       sizeof(struct aml_resource_memory32),   /* ACPI_RESOURCE_TYPE_MEMORY32 */
+       sizeof(struct aml_resource_fixed_memory32),     /* ACPI_RESOURCE_TYPE_FIXED_MEMORY32 */
+       sizeof(struct aml_resource_address16),  /* ACPI_RESOURCE_TYPE_ADDRESS16 */
+       sizeof(struct aml_resource_address32),  /* ACPI_RESOURCE_TYPE_ADDRESS32 */
+       sizeof(struct aml_resource_address64),  /* ACPI_RESOURCE_TYPE_ADDRESS64 */
+       sizeof(struct aml_resource_extended_address64), /*ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
+       sizeof(struct aml_resource_extended_irq),       /* ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
+       sizeof(struct aml_resource_generic_register)    /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
+};
+
+/* Macros used in the tables below */
+
+#define ACPI_RLARGE(r)          sizeof (r) - sizeof (struct aml_resource_large_header)
+#define ACPI_RSMALL(r)          sizeof (r) - sizeof (struct aml_resource_small_header)
+
+/*
+ * Base sizes of resource descriptors, both the AML stream resource length
+ * (minus size of header and length fields),and the size of the internal
+ * struct representation.
+ */
+struct acpi_resource_info acpi_gbl_sm_resource_info[] = {
+       {0, 0, 0},
+       {0, 0, 0},
+       {0, 0, 0},
+       {0, 0, 0},
+       {2, ACPI_RSMALL(struct aml_resource_irq),
+        ACPI_SIZEOF_RESOURCE(struct acpi_resource_irq)},
+       {0, ACPI_RSMALL(struct aml_resource_dma),
+        ACPI_SIZEOF_RESOURCE(struct acpi_resource_dma)},
+       {2, ACPI_RSMALL(struct aml_resource_start_dependent),
+        ACPI_SIZEOF_RESOURCE(struct acpi_resource_start_dependent)},
+       {0, ACPI_RSMALL(struct aml_resource_end_dependent),
+        ACPI_RESOURCE_LENGTH},
+       {0, ACPI_RSMALL(struct aml_resource_io),
+        ACPI_SIZEOF_RESOURCE(struct acpi_resource_io)},
+       {0, ACPI_RSMALL(struct aml_resource_fixed_io),
+        ACPI_SIZEOF_RESOURCE(struct acpi_resource_fixed_io)},
+       {0, 0, 0},
+       {0, 0, 0},
+       {0, 0, 0},
+       {0, 0, 0},
+       {1, ACPI_RSMALL(struct aml_resource_vendor_small),
+        ACPI_SIZEOF_RESOURCE(struct acpi_resource_vendor)},
+       {0, ACPI_RSMALL(struct aml_resource_end_tag), ACPI_RESOURCE_LENGTH}
+};
+
+struct acpi_resource_info acpi_gbl_lg_resource_info[] = {
+       {0, 0, 0},
+       {0, ACPI_RLARGE(struct aml_resource_memory24),
+        ACPI_SIZEOF_RESOURCE(struct acpi_resource_memory24)},
+       {0, ACPI_RLARGE(struct aml_resource_generic_register),
+        ACPI_SIZEOF_RESOURCE(struct acpi_resource_generic_registerister)},
+       {0, 0, 0},
+       {1, ACPI_RLARGE(struct aml_resource_vendor_large),
+        ACPI_SIZEOF_RESOURCE(struct acpi_resource_vendor)},
+       {0, ACPI_RLARGE(struct aml_resource_memory32),
+        ACPI_SIZEOF_RESOURCE(struct acpi_resource_memory32)},
+       {0, ACPI_RLARGE(struct aml_resource_fixed_memory32),
+        ACPI_SIZEOF_RESOURCE(struct acpi_resource_fixed_memory32)},
+       {1, ACPI_RLARGE(struct aml_resource_address32),
+        ACPI_SIZEOF_RESOURCE(struct acpi_resource_address32)},
+       {1, ACPI_RLARGE(struct aml_resource_address16),
+        ACPI_SIZEOF_RESOURCE(struct acpi_resource_address16)},
+       {1, ACPI_RLARGE(struct aml_resource_extended_irq),
+        ACPI_SIZEOF_RESOURCE(struct acpi_resource_extended_irq)},
+       {1, ACPI_RLARGE(struct aml_resource_address64),
+        ACPI_SIZEOF_RESOURCE(struct acpi_resource_address64)},
+       {0, ACPI_RLARGE(struct aml_resource_extended_address64),
+        ACPI_SIZEOF_RESOURCE(struct acpi_resource_extended_address64)}
+};