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Commit e637d326 authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

Merge back earlier ACPICA material for v4.18.

parents 7b34c0fb c57c0ad4

drivers/acpi/acpica/acglobal.h

+1 −1
Original line number Diff line number Diff line
@@ -82,7 +82,7 @@ ACPI_GLOBAL(u8, acpi_gbl_global_lock_pending); 
 * interrupt level

 */

ACPI_GLOBAL(acpi_spinlock, acpi_gbl_gpe_lock);	/* For GPE data structs and registers */

ACPI_GLOBAL(acpi_spinlock, acpi_gbl_hardware_lock);	/* For ACPI H/W except GPE registers */

ACPI_GLOBAL(acpi_raw_spinlock, acpi_gbl_hardware_lock);	/* For ACPI H/W except GPE registers */

ACPI_GLOBAL(acpi_spinlock, acpi_gbl_reference_count_lock);



/* Mutex for _OSI support */

drivers/acpi/acpica/hwregs.c

+2 −2
Original line number Diff line number Diff line
@@ -390,14 +390,14 @@ acpi_status acpi_hw_clear_acpi_status(void) 
			  ACPI_BITMASK_ALL_FIXED_STATUS,

			  ACPI_FORMAT_UINT64(acpi_gbl_xpm1a_status.address)));



	lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);

	lock_flags = acpi_os_acquire_raw_lock(acpi_gbl_hardware_lock);



	/* Clear the fixed events in PM1 A/B */



	status = acpi_hw_register_write(ACPI_REGISTER_PM1_STATUS,

					ACPI_BITMASK_ALL_FIXED_STATUS);



	acpi_os_release_lock(acpi_gbl_hardware_lock, lock_flags);

	acpi_os_release_raw_lock(acpi_gbl_hardware_lock, lock_flags);



	if (ACPI_FAILURE(status)) {

		goto exit;

drivers/acpi/acpica/hwxface.c

+2 −2
Original line number Diff line number Diff line
@@ -227,7 +227,7 @@ acpi_status acpi_write_bit_register(u32 register_id, u32 value) 
		return_ACPI_STATUS(AE_BAD_PARAMETER);

	}



	lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);

	lock_flags = acpi_os_acquire_raw_lock(acpi_gbl_hardware_lock);



	/*

	 * At this point, we know that the parent register is one of the
@@ -288,7 +288,7 @@ acpi_status acpi_write_bit_register(u32 register_id, u32 value) 


unlock_and_exit:



	acpi_os_release_lock(acpi_gbl_hardware_lock, lock_flags);

	acpi_os_release_raw_lock(acpi_gbl_hardware_lock, lock_flags);

	return_ACPI_STATUS(status);

}

drivers/acpi/acpica/utmutex.c

+2 −2
Original line number Diff line number Diff line
@@ -52,7 +52,7 @@ acpi_status acpi_ut_mutex_initialize(void) 
		return_ACPI_STATUS (status);

	}



	status = acpi_os_create_lock (&acpi_gbl_hardware_lock);

	status = acpi_os_create_raw_lock(&acpi_gbl_hardware_lock);

	if (ACPI_FAILURE (status)) {

		return_ACPI_STATUS (status);

	}
@@ -109,7 +109,7 @@ void acpi_ut_mutex_terminate(void) 
	/* Delete the spinlocks */



	acpi_os_delete_lock(acpi_gbl_gpe_lock);

	acpi_os_delete_lock(acpi_gbl_hardware_lock);

	acpi_os_delete_raw_lock(acpi_gbl_hardware_lock);

	acpi_os_delete_lock(acpi_gbl_reference_count_lock);



	/* Delete the reader/writer lock */

include/acpi/acpiosxf.h

+21 −0
Original line number Diff line number Diff line
@@ -97,6 +97,27 @@ acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock handle); 
void acpi_os_release_lock(acpi_spinlock handle, acpi_cpu_flags flags);

#endif



/*

 * RAW spinlock primitives. If the OS does not provide them, fallback to

 * spinlock primitives

 */

#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_raw_lock

# define acpi_os_create_raw_lock(out_handle)	acpi_os_create_lock(out_handle)

#endif



#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_raw_lock

# define acpi_os_delete_raw_lock(handle)	acpi_os_delete_lock(handle)

#endif



#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_raw_lock

# define acpi_os_acquire_raw_lock(handle)	acpi_os_acquire_lock(handle)

#endif



#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_raw_lock

# define acpi_os_release_raw_lock(handle, flags)	\

	acpi_os_release_lock(handle, flags)

#endif



/*

 * Semaphore primitives

 */