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GET /api/1.2/patches/2230139/?format=api
HTTP 200 OK
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{
    "id": 2230139,
    "url": "http://patchwork.ozlabs.org/api/1.2/patches/2230139/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/linux-tegra/patch/20260429102743.103197-1-phucduc.bui@gmail.com/",
    "project": {
        "id": 21,
        "url": "http://patchwork.ozlabs.org/api/1.2/projects/21/?format=api",
        "name": "Linux Tegra Development",
        "link_name": "linux-tegra",
        "list_id": "linux-tegra.vger.kernel.org",
        "list_email": "linux-tegra@vger.kernel.org",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20260429102743.103197-1-phucduc.bui@gmail.com>",
    "list_archive_url": null,
    "date": "2026-04-29T10:27:43",
    "name": "ASoC: tegra: Use guard() for mutex locks",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "67f4feafb0f4aef8ed83a9b0257be73f37ed39c4",
    "submitter": {
        "id": 92840,
        "url": "http://patchwork.ozlabs.org/api/1.2/people/92840/?format=api",
        "name": "Bui Duc Phuc",
        "email": "phucduc.bui@gmail.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/linux-tegra/patch/20260429102743.103197-1-phucduc.bui@gmail.com/mbox/",
    "series": [
        {
            "id": 502035,
            "url": "http://patchwork.ozlabs.org/api/1.2/series/502035/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/linux-tegra/list/?series=502035",
            "date": "2026-04-29T10:27:43",
            "name": "ASoC: tegra: Use guard() for mutex locks",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/502035/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2230139/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2230139/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "From": "phucduc.bui@gmail.com",
        "To": "Mark Brown <broonie@kernel.org>,\n\tLiam Girdwood <lgirdwood@gmail.com>",
        "Cc": "Thierry Reding <thierry.reding@kernel.org>,\n\tJonathan Hunter <jonathanh@nvidia.com>,\n\tSheetal <sheetal@nvidia.com>,\n\tJaroslav Kysela <perex@perex.cz>,\n\tTakashi Iwai <tiwai@suse.com>,\n\tlinux-sound@vger.kernel.org,\n\tlinux-tegra@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org,\n\tbui duc phuc <phucduc.bui@gmail.com>",
        "Subject": "[PATCH] ASoC: tegra: Use guard() for mutex locks",
        "Date": "Wed, 29 Apr 2026 17:27:43 +0700",
        "Message-ID": "<20260429102743.103197-1-phucduc.bui@gmail.com>",
        "X-Mailer": "git-send-email 2.43.0",
        "Precedence": "bulk",
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        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit"
    },
    "content": "From: bui duc phuc <phucduc.bui@gmail.com>\n\nClean up the code using guard() for mutex locks.\nMerely code refactoring, and no behavior change.\n\nSigned-off-by: bui duc phuc <phucduc.bui@gmail.com>\n---\n sound/soc/tegra/tegra_isomgr_bw.c | 21 ++++++++++-----------\n 1 file changed, 10 insertions(+), 11 deletions(-)",
    "diff": "diff --git a/sound/soc/tegra/tegra_isomgr_bw.c b/sound/soc/tegra/tegra_isomgr_bw.c\nindex fa979960bc09..db33acbf6c67 100644\n--- a/sound/soc/tegra/tegra_isomgr_bw.c\n+++ b/sound/soc/tegra/tegra_isomgr_bw.c\n@@ -55,19 +55,18 @@ int tegra_isomgr_adma_setbw(struct snd_pcm_substream *substream,\n \t\t\t\tsample_bytes;\n \t}\n \n-\tmutex_lock(&adma_isomgr->mutex);\n-\n-\tif (is_running) {\n-\t\tif (bandwidth + adma_isomgr->current_bandwidth > adma_isomgr->max_bw)\n-\t\t\tbandwidth = adma_isomgr->max_bw - adma_isomgr->current_bandwidth;\n-\n-\t\tadma_isomgr->current_bandwidth += bandwidth;\n-\t} else {\n-\t\tadma_isomgr->current_bandwidth -= adma_isomgr->bw_per_dev[type][pcm->device];\n+\tscoped_guard(mutex, &adma_isomgr->mutex) {\n+\t\tif (is_running) {\n+\t\t\tif (bandwidth + adma_isomgr->current_bandwidth > adma_isomgr->max_bw)\n+\t\t\t\tbandwidth = adma_isomgr->max_bw - adma_isomgr->current_bandwidth;\n+\n+\t\t\tadma_isomgr->current_bandwidth += bandwidth;\n+\t\t} else {\n+\t\t\tadma_isomgr->current_bandwidth -=\n+\t\t\t\tadma_isomgr->bw_per_dev[type][pcm->device];\n+\t\t}\n \t}\n \n-\tmutex_unlock(&adma_isomgr->mutex);\n-\n \tadma_isomgr->bw_per_dev[type][pcm->device] = bandwidth;\n \n \tdev_dbg(dev, \"Setting up bandwidth to %d KBps\\n\", adma_isomgr->current_bandwidth);\n",
    "prefixes": []
}