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| author | Varun Wadekar <vwadekar@nvidia.com> | 2018-07-06 10:39:32 -0700 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2020-03-09 15:25:15 -0700 |
| commit | f617868678c230a080df4061b17a40b19a3bd048 (patch) | |
| tree | 05f81ec8d2833c16d15ef3081e5329480e791a46 /plat | |
| parent | 41554fb2ebbbabbf1e79e2d9cacbfa2dd6124927 (diff) | |
| download | platform_external_arm-trusted-firmware-f617868678c230a080df4061b17a40b19a3bd048.tar.gz platform_external_arm-trusted-firmware-f617868678c230a080df4061b17a40b19a3bd048.tar.bz2 platform_external_arm-trusted-firmware-f617868678c230a080df4061b17a40b19a3bd048.zip | |
Tegra: fiq_glue: remove bakery locks from interrupt handler
This patch removes usage of bakery_locks from the FIQ handler, as it
creates unnecessary dependency whenever the watchdog timer interrupt
fires. All operations inside the interrupt handler are 'reads', so
no need for serialization.
Change-Id: I3f675e610e4dabc5b1435fdd24bc28e424f5a8e4
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Diffstat (limited to 'plat')
| -rw-r--r-- | plat/nvidia/tegra/common/tegra_fiq_glue.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/plat/nvidia/tegra/common/tegra_fiq_glue.c b/plat/nvidia/tegra/common/tegra_fiq_glue.c index 8e198ae76..dee99fb13 100644 --- a/plat/nvidia/tegra/common/tegra_fiq_glue.c +++ b/plat/nvidia/tegra/common/tegra_fiq_glue.c @@ -1,5 +1,6 @@ /* * Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2020, NVIDIA Corporation. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -12,7 +13,6 @@ #include <common/debug.h> #include <context.h> #include <denver.h> -#include <lib/bakery_lock.h> #include <lib/el3_runtime/context_mgmt.h> #include <plat/common/platform.h> @@ -25,8 +25,6 @@ /* Legacy FIQ used by earlier Tegra platforms */ #define LEGACY_FIQ_PPI_WDT 28U -static DEFINE_BAKERY_LOCK(tegra_fiq_lock); - /******************************************************************************* * Static variables ******************************************************************************/ @@ -57,8 +55,6 @@ static uint64_t tegra_fiq_interrupt_handler(uint32_t id, */ irq = plat_ic_get_pending_interrupt_id(); - bakery_lock_get(&tegra_fiq_lock); - /* * Jump to NS world only if the NS world's FIQ handler has * been registered @@ -107,8 +103,6 @@ static uint64_t tegra_fiq_interrupt_handler(uint32_t id, plat_ic_end_of_interrupt(irq); } - bakery_lock_release(&tegra_fiq_lock); - return 0; } |