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Mon, 16 Feb 2026 18:50:14 +0000 (GMT) From: Aboorva Devarajan To: rafael@kernel.org, christian.loehle@arm.com, daniel.lezcano@linaro.org Cc: aboorvad@linux.ibm.com, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 3/4] cpuidle: teo: Remove single state handling Date: Tue, 17 Feb 2026 00:20:04 +0530 Message-ID: <20260216185005.1131593-4-aboorvad@linux.ibm.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260216185005.1131593-1-aboorvad@linux.ibm.com> References: <20260216185005.1131593-1-aboorvad@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 4nWaHP0SygnkmuJ6mJ2a93MjWSz7i8kB X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjE2MDE1OSBTYWx0ZWRfX2f344rDJyN5+ 8LWuSqhjz/YVeE1Nlkjwlk2v4aY4jQ0mdD42SyvRMus4PgdIJepLEkJ5GK5+Ot88c5cbAHqMQD6 b+zMNSZrgDwFr+bd4CtlkkTjZ+G7gRYIyB1mMfUsw1th7Jiomd80MhLzrqXXAOr0GQ4HCGLAqct flRhBDP9VrMcBhbjwcv5ZTkMn+lzJ8kGLmq0kw2qxcRafPWJ5n132aIc9Qpl2Imp1GydTISp72n u4dyesxgbjdo9c5pwAhztQdpMTeRkZ1dTSmDYICifzORNiFJOhwxxMAOBkS9qlXbItgDWJbfSGo 0f4AFn2jHRa9/fXLe6bwvrWLS4i7oVa5e/cUuKNq+3cQtKN5+HR8ArRz9rCTJPFawfmRkb+2Wwv I20Uulk6mhOxquL9xWLUiAmHjTss2eB/KFzpSeKGeSF/2eMa8Li8v2QhOOyqg8S3L1VKdChuZ8J 0Zp8gxLI0Y0CtvJHhcA== X-Authority-Analysis: v=2.4 cv=UPXQ3Sfy c=1 sm=1 tr=0 ts=699366eb cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=HzLeVaNsDn8A:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=7CQSdrXTAAAA:8 a=GAkCKx7umozebFGUKCEA:9 a=a-qgeE7W1pNrGK8U0ZQC:22 X-Proofpoint-ORIG-GUID: 4nWaHP0SygnkmuJ6mJ2a93MjWSz7i8kB X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-16_06,2026-02-16_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 phishscore=0 impostorscore=0 adultscore=0 bulkscore=0 clxscore=1015 lowpriorityscore=0 priorityscore=1501 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602160159 Content-Type: text/plain; charset="utf-8" From: Christian Loehle cpuidle systems where the governor has no choice because there's only a single idle state are now handled by cpuidle core and bypass the governor, so remove the related handling. Signed-off-by: Christian Loehle --- drivers/cpuidle/governors/teo.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/cpuidle/governors/teo.c b/drivers/cpuidle/governors/te= o.c index 81ac5fd58a1c..9b5b8c617806 100644 --- a/drivers/cpuidle/governors/teo.c +++ b/drivers/cpuidle/governors/teo.c @@ -317,12 +317,6 @@ static int teo_select(struct cpuidle_driver *drv, stru= ct cpuidle_device *dev, */ cpu_data->sleep_length_ns =3D KTIME_MAX; =20 - /* Check if there is any choice in the first place. */ - if (drv->state_count < 2) { - idx =3D 0; - goto out_tick; - } - if (!dev->states_usage[0].disable) idx =3D 0; =20 --=20 2.52.0