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Wed, 15 Apr 2026 12:00:16 -0700 (PDT) Received: from vilarmanjaro ([2804:29b8:50e0:3432:1ab7:b7ed:546a:3e8f]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2de8eb84673sm4009468eec.19.2026.04.15.12.00.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Apr 2026 12:00:16 -0700 (PDT) From: Ramon Watson Vilar To: hansg@kernel.org, mchehab@kernel.org, gregkh@linuxfoundation.org Cc: sakari.ailus@linux.intel.com, linux-media@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Ramon Watson Vilar Subject: [PATCH v2] staging: media: atomisp: use usleep_range instead of msleep for short delays Date: Wed, 15 Apr 2026 16:00:05 -0300 Message-ID: <20260415190005.114900-1-watsonvilar@gmail.com> X-Mailer: git-send-email 2.53.0 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 Content-Type: text/plain; charset="utf-8" The msleep() function is not precise for delays shorter than 20ms and can sleep for significantly longer than requested. Replacing it with usleep_range() improves accuracy and is the recommended practice according to documentation. Signed-off-by: Ramon Watson Vilar --- drivers/staging/media/atomisp/i2c/atomisp-gc2235.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c b/drivers/s= taging/media/atomisp/i2c/atomisp-gc2235.c index d3414312e1de..e0b0f09a5c26 100644 --- a/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c +++ b/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c @@ -433,7 +433,7 @@ static int power_up(struct v4l2_subdev *sd) goto fail_power; } =20 - msleep(5); + usleep_range(5000, 10000); return 0; =20 fail_clk: --=20 2.53.0