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path: root/drivers/acpi/acpica/evgpeblk.c
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Diffstat (limited to 'drivers/acpi/acpica/evgpeblk.c')
-rw-r--r--drivers/acpi/acpica/evgpeblk.c112
1 files changed, 60 insertions, 52 deletions
diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c
index 020add3eee1..d86699eea33 100644
--- a/drivers/acpi/acpica/evgpeblk.c
+++ b/drivers/acpi/acpica/evgpeblk.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2010, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -48,7 +48,7 @@
#define _COMPONENT ACPI_EVENTS
ACPI_MODULE_NAME("evgpeblk")
-
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
/* Local prototypes */
static acpi_status
acpi_ev_install_gpe_block(struct acpi_gpe_block_info *gpe_block,
@@ -87,9 +87,9 @@ acpi_ev_install_gpe_block(struct acpi_gpe_block_info *gpe_block,
return_ACPI_STATUS(status);
}
- gpe_xrupt_block = acpi_ev_get_gpe_xrupt_block(interrupt_number);
- if (!gpe_xrupt_block) {
- status = AE_NO_MEMORY;
+ status =
+ acpi_ev_get_gpe_xrupt_block(interrupt_number, &gpe_xrupt_block);
+ if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}
@@ -111,8 +111,8 @@ acpi_ev_install_gpe_block(struct acpi_gpe_block_info *gpe_block,
gpe_block->xrupt_block = gpe_xrupt_block;
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
- unlock_and_exit:
- status = acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+unlock_and_exit:
+ (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
return_ACPI_STATUS(status);
}
@@ -178,7 +178,7 @@ acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block)
ACPI_FREE(gpe_block->event_info);
ACPI_FREE(gpe_block);
- unlock_and_exit:
+unlock_and_exit:
status = acpi_ut_release_mutex(ACPI_MTX_EVENTS);
return_ACPI_STATUS(status);
}
@@ -252,21 +252,17 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
/* Init the register_info for this GPE register (8 GPEs) */
- this_register->base_gpe_number =
- (u8) (gpe_block->block_base_number +
- (i * ACPI_GPE_REGISTER_WIDTH));
+ this_register->base_gpe_number = (u16)
+ (gpe_block->block_base_number +
+ (i * ACPI_GPE_REGISTER_WIDTH));
- this_register->status_address.address =
- gpe_block->block_address.address + i;
+ this_register->status_address.address = gpe_block->address + i;
this_register->enable_address.address =
- gpe_block->block_address.address + i +
- gpe_block->register_count;
+ gpe_block->address + i + gpe_block->register_count;
- this_register->status_address.space_id =
- gpe_block->block_address.space_id;
- this_register->enable_address.space_id =
- gpe_block->block_address.space_id;
+ this_register->status_address.space_id = gpe_block->space_id;
+ this_register->enable_address.space_id = gpe_block->space_id;
this_register->status_address.bit_width =
ACPI_GPE_REGISTER_WIDTH;
this_register->enable_address.bit_width =
@@ -302,7 +298,7 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
return_ACPI_STATUS(AE_OK);
- error_exit:
+error_exit:
if (gpe_register_info) {
ACPI_FREE(gpe_register_info);
}
@@ -318,7 +314,7 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
* FUNCTION: acpi_ev_create_gpe_block
*
* PARAMETERS: gpe_device - Handle to the parent GPE block
- * gpe_block_address - Address and space_iD
+ * gpe_block_address - Address and space_ID
* register_count - Number of GPE register pairs in the block
* gpe_block_base_number - Starting GPE number for the block
* interrupt_number - H/W interrupt for the block
@@ -334,9 +330,10 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
acpi_status
acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
- struct acpi_generic_address *gpe_block_address,
+ u64 address,
+ u8 space_id,
u32 register_count,
- u8 gpe_block_base_number,
+ u16 gpe_block_base_number,
u32 interrupt_number,
struct acpi_gpe_block_info **return_gpe_block)
{
@@ -359,14 +356,13 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
/* Initialize the new GPE block */
+ gpe_block->address = address;
+ gpe_block->space_id = space_id;
gpe_block->node = gpe_device;
gpe_block->gpe_count = (u16)(register_count * ACPI_GPE_REGISTER_WIDTH);
+ gpe_block->initialized = FALSE;
gpe_block->register_count = register_count;
gpe_block->block_base_number = gpe_block_base_number;
- gpe_block->initialized = FALSE;
-
- ACPI_MEMCPY(&gpe_block->block_address, gpe_block_address,
- sizeof(struct acpi_generic_address));
/*
* Create the register_info and event_info sub-structures
@@ -382,11 +378,13 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
status = acpi_ev_install_gpe_block(gpe_block, interrupt_number);
if (ACPI_FAILURE(status)) {
+ ACPI_FREE(gpe_block->register_info);
+ ACPI_FREE(gpe_block->event_info);
ACPI_FREE(gpe_block);
return_ACPI_STATUS(status);
}
- acpi_all_gpes_initialized = FALSE;
+ acpi_gbl_all_gpes_initialized = FALSE;
/* Find all GPE methods (_Lxx or_Exx) for this block */
@@ -405,13 +403,15 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
(*return_gpe_block) = gpe_block;
}
- ACPI_DEBUG_PRINT((ACPI_DB_INIT,
- "GPE %02X to %02X [%4.4s] %u regs on int 0x%X\n",
- (u32) gpe_block->block_base_number,
- (u32) (gpe_block->block_base_number +
- (gpe_block->gpe_count - 1)),
- gpe_device->name.ascii, gpe_block->register_count,
- interrupt_number));
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
+ " Initialized GPE %02X to %02X [%4.4s] %u regs on interrupt 0x%X%s\n",
+ (u32)gpe_block->block_base_number,
+ (u32)(gpe_block->block_base_number +
+ (gpe_block->gpe_count - 1)),
+ gpe_device->name.ascii, gpe_block->register_count,
+ interrupt_number,
+ interrupt_number ==
+ acpi_gbl_FADT.sci_interrupt ? " (SCI)" : ""));
/* Update global count of currently available GPEs */
@@ -423,14 +423,12 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
*
* FUNCTION: acpi_ev_initialize_gpe_block
*
- * PARAMETERS: gpe_device - Handle to the parent GPE block
- * gpe_block - Gpe Block info
+ * PARAMETERS: acpi_gpe_callback
*
* RETURN: Status
*
- * DESCRIPTION: Initialize and enable a GPE block. First find and run any
- * _PRT methods associated with the block, then enable the
- * appropriate GPEs.
+ * DESCRIPTION: Initialize and enable a GPE block. Enable GPEs that have
+ * associated methods.
* Note: Assumes namespace is locked.
*
******************************************************************************/
@@ -450,8 +448,8 @@ acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
ACPI_FUNCTION_TRACE(ev_initialize_gpe_block);
/*
- * Ignore a null GPE block (e.g., if no GPE block 1 exists) and
- * GPE blocks that have been initialized already.
+ * Ignore a null GPE block (e.g., if no GPE block 1 exists), and
+ * any GPE blocks that have been initialized already.
*/
if (!gpe_block || gpe_block->initialized) {
return_ACPI_STATUS(AE_OK);
@@ -459,8 +457,8 @@ acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
/*
* Enable all GPEs that have a corresponding method and have the
- * ACPI_GPE_CAN_WAKE flag unset. Any other GPEs within this block must
- * be enabled via the acpi_enable_gpe() interface.
+ * ACPI_GPE_CAN_WAKE flag unset. Any other GPEs within this block
+ * must be enabled via the acpi_enable_gpe() interface.
*/
gpe_enabled_count = 0;
@@ -472,18 +470,24 @@ acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
gpe_index = (i * ACPI_GPE_REGISTER_WIDTH) + j;
gpe_event_info = &gpe_block->event_info[gpe_index];
- /* Ignore GPEs that have no corresponding _Lxx/_Exx method */
-
- if (!(gpe_event_info->flags & ACPI_GPE_DISPATCH_METHOD)
+ /*
+ * Ignore GPEs that have no corresponding _Lxx/_Exx method
+ * and GPEs that are used to wake the system
+ */
+ if (((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
+ ACPI_GPE_DISPATCH_NONE)
+ || ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK)
+ == ACPI_GPE_DISPATCH_HANDLER)
|| (gpe_event_info->flags & ACPI_GPE_CAN_WAKE)) {
continue;
}
- status = acpi_raw_enable_gpe(gpe_event_info);
+ status = acpi_ev_add_gpe_reference(gpe_event_info);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Could not enable GPE 0x%02X",
- gpe_index + gpe_block->block_base_number));
+ gpe_index +
+ gpe_block->block_base_number));
continue;
}
@@ -492,12 +496,16 @@ acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
}
if (gpe_enabled_count) {
- ACPI_DEBUG_PRINT((ACPI_DB_INIT,
- "Enabled %u GPEs in this block\n",
- gpe_enabled_count));
+ ACPI_INFO((AE_INFO,
+ "Enabled %u GPEs in block %02X to %02X",
+ gpe_enabled_count, (u32)gpe_block->block_base_number,
+ (u32)(gpe_block->block_base_number +
+ (gpe_block->gpe_count - 1))));
}
gpe_block->initialized = TRUE;
return_ACPI_STATUS(AE_OK);
}
+
+#endif /* !ACPI_REDUCED_HARDWARE */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-03 18:39:30 +0000