From: Randy Dunlap <ran...@li...>
Make acpi_path_name() usable by everyone.
I need this for adding SATA suspend/resume ACPI support.
Signed-off-by: Randy Dunlap <ran...@li...>
---
drivers/acpi/osl.c | 21 +++++++++++++++++++++
include/acpi/acpiosxf.h | 2 ++
2 files changed, 23 insertions(+)
--- linux-2615-rc6-acpi.orig/drivers/acpi/osl.c
+++ linux-2615-rc6-acpi/drivers/acpi/osl.c
@@ -1078,6 +1078,27 @@ void acpi_os_release_lock(acpi_handle ha
spin_unlock_irqrestore((spinlock_t *) handle, flags);
}
+/**
+ * acpi_path_name - get ACPI path_name for the given handle
+ * @handle: ACPI object handle to look up name of
+ * @namebuf: acpi_buffer with input flags and output name
+ *
+ * Caller can allocate & free the output name buffer or can set
+ * namebuf.length to ACPI_ALLOCATE_BUFFER to have ACPI-CA allocate
+ * the buffer but caller is still responsible for freeing it.
+ *
+ * Returns: status of acpi_get_name()
+ */
+acpi_status acpi_path_name(acpi_handle handle, struct acpi_buffer *namebuf)
+{
+ acpi_status status;
+
+ status = acpi_get_name(handle, ACPI_FULL_PATHNAME, namebuf);
+
+ return_ACPI_STATUS(status);
+}
+EXPORT_SYMBOL_GPL(acpi_path_name);
+
#ifndef ACPI_USE_LOCAL_CACHE
/*******************************************************************************
--- linux-2615-rc6-acpi.orig/include/acpi/acpiosxf.h
+++ linux-2615-rc6-acpi/include/acpi/acpiosxf.h
@@ -112,6 +112,8 @@ unsigned long acpi_os_acquire_lock(acpi_
void acpi_os_release_lock(acpi_handle handle, unsigned long flags);
+acpi_status acpi_path_name(acpi_handle handle, struct acpi_buffer *namebuf);
+
/*
* Memory allocation and mapping
*/
---
|
