linux-kernel - [PATCH 02/10] ASoC: wm_adsp: Use no_core_startstop to prevent creating preload control

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 17 Feb 2023 16:14:02 +0000
From:   Richard Fitzgerald <rf@...nsource.cirrus.com>
To:     <broonie@...nel.org>, <pierre-louis.bossart@...ux.intel.com>,
        <cezary.rojewski@...el.com>, <peter.ujfalusi@...ux.intel.com>,
        <yung-chuan.liao@...ux.intel.com>, <kai.vehmanen@...ux.intel.com>
CC:     <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
        <patches@...nsource.cirrus.com>,
        Simon Trimmer <simont@...nsource.cirrus.com>,
        Richard Fitzgerald <rf@...nsource.cirrus.com>
Subject: [PATCH 02/10] ASoC: wm_adsp: Use no_core_startstop to prevent creating preload control

From: Simon Trimmer <simont@...nsource.cirrus.com>

The no_core_startstop flag indicates a self-booting DSP - they are
considered to be always running and therefore cannot be pre-loaded.

Signed-off-by: Simon Trimmer <simont@...nsource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@...nsource.cirrus.com>
---
 sound/soc/codecs/wm_adsp.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index ea0dbc634ecf..854d9366a745 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -1102,8 +1102,10 @@ int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *comp
 {
 	char preload[32];
 
-	snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name);
-	snd_soc_component_disable_pin(component, preload);
+	if (!dsp->cs_dsp.no_core_startstop) {
+		snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name);
+		snd_soc_component_disable_pin(component, preload);
+	}
 
 	cs_dsp_init_debugfs(&dsp->cs_dsp, component->debugfs_root);
 
-- 
2.30.2