mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
synced 2025-04-29 16:48:59 +00:00
af4d8c6d50
void functions() returns nothing. So remove useless "return". found using checkpatch.pl[1] [1]: https://review.coreboot.org/plugins/gitiles/coreboot/+/refs/heads/master/util/lint/checkpatch.pl Change-Id: I3daab2abec225a657af48f7d8c215cc554713074 Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
37 lines
939 B
C
37 lines
939 B
C
/*
|
|
* Copyright (c) 2014-2020, ARM Limited and Contributors. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#include <platform_def.h>
|
|
|
|
#include <arch_helpers.h>
|
|
#include <drivers/arm/css/css_mhu_doorbell.h>
|
|
#include <drivers/arm/css/scmi.h>
|
|
|
|
void mhu_ring_doorbell(struct scmi_channel_plat_info *plat_info)
|
|
{
|
|
MHU_RING_DOORBELL(plat_info->db_reg_addr,
|
|
plat_info->db_modify_mask,
|
|
plat_info->db_preserve_mask);
|
|
}
|
|
|
|
void mhuv2_ring_doorbell(struct scmi_channel_plat_info *plat_info)
|
|
{
|
|
uintptr_t mhuv2_base = plat_info->db_reg_addr & MHU_V2_FRAME_BASE_MASK;
|
|
|
|
/* wake receiver */
|
|
MHU_V2_ACCESS_REQUEST(mhuv2_base);
|
|
|
|
/* wait for receiver to acknowledge its ready */
|
|
while (MHU_V2_IS_ACCESS_READY(mhuv2_base) == 0)
|
|
;
|
|
|
|
MHU_RING_DOORBELL(plat_info->db_reg_addr,
|
|
plat_info->db_modify_mask,
|
|
plat_info->db_preserve_mask);
|
|
|
|
/* clear the access request for the receiver */
|
|
MHU_V2_CLEAR_REQUEST(mhuv2_base);
|
|
}
|