diff options
| author |   Cristian Ciocaltea <cristian.ciocaltea@collabora.com> | 2025-02-07 13:46:05 +0200 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2025-02-10 13:41:51 +0000 |
| commit | ccc8480d90e8cb60f06bd90e227f34784927e19f (patch) | |
| tree | ba3eedbb1bee5f46eefce43a173443593ee97e02 | |
| parent | ASoC: SOF: amd: Handle IPC replies before FW_BOOT_COMPLETE (diff) | |
| download | wireguard-linux-ccc8480d90e8cb60f06bd90e227f34784927e19f.tar.xz wireguard-linux-ccc8480d90e8cb60f06bd90e227f34784927e19f.zip | |
ASoC: SOF: amd: Add branch prediction hint in ACP IRQ handler
The conditional involving sdev->first_boot in acp_sof_ipc_irq_thread()
will succeed only once, i.e. during the very first run of the
DSP firmware.
Use the unlikely() annotation to help improve branch prediction
accuracy.
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Reviewed-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Link: https://patch.msgid.link/20250207-sof-vangogh-fixes-v1-4-67824c1e4c9a@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | sound/soc/sof/amd/acp-ipc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/soc/sof/amd/acp-ipc.c b/sound/soc/sof/amd/acp-ipc.c index 12caefd08788..22d4b807e1bb 100644 --- a/sound/soc/sof/amd/acp-ipc.c +++ b/sound/soc/sof/amd/acp-ipc.c @@ -165,7 +165,7 @@ irqreturn_t acp_sof_ipc_irq_thread(int irq, void *context) int dsp_msg, dsp_ack; unsigned int status; - if (sdev->first_boot && sdev->fw_state != SOF_FW_BOOT_COMPLETE) { + if (unlikely(sdev->first_boot && sdev->fw_state != SOF_FW_BOOT_COMPLETE)) { acp_mailbox_read(sdev, sdev->dsp_box.offset, &status, sizeof(status)); if ((status & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC) { |