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Wed, 26 Aug 2026 04:14:11 -0700 (PDT) Received: from bhoomika.iiitdmj.ac.in ([2401:4900:51d9:f633:eefe:6534:6503:b925]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3283fa89e8fsm11529933eec.8.2026.08.26.04.14.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Aug 2026 04:14:10 -0700 (PDT) From: Bhoomika Hardwani To: Hans Verkuil , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Bhoomika Hardwani Subject: [PATCH] media: radio: si4713: replace msleep() with usleep_range() for delays less than 20ms Date: Wed, 26 Aug 2026 16:42:45 +0530 Message-Id: <20260826111245.1001693-1-bhoomika.hardwani@gmail.com> X-Mailer: git-send-email 2.34.1 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" msleep() isn't precise for delays under 20ms and relies on jiffies, which can lead to sleeps longer than requested, depending on the system's HZ configurations. Replace msleep(3) with usleep_range(3000, 4000) to use high-resolution timers, without forcing the system to wait unnecessarily. Signed-off-by: Bhoomika Hardwani --- drivers/media/radio/si4713/radio-usb-si4713.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/radio/si4713/radio-usb-si4713.c b/drivers/media/= radio/si4713/radio-usb-si4713.c index 6e6764143e21..62877980fc04 100644 --- a/drivers/media/radio/si4713/radio-usb-si4713.c +++ b/drivers/media/radio/si4713/radio-usb-si4713.c @@ -192,7 +192,7 @@ static int si4713_send_startup_command(struct si4713_us= b_device *radio) } if (time_is_before_jiffies(until_jiffies)) return -EIO; - msleep(3); + usleep_range(3000, 4000); } =20 return retval; @@ -339,7 +339,7 @@ static int si4713_i2c_read(struct si4713_usb_device *ra= dio, char *data, int len) data[0] =3D 0; return 0; } - msleep(3); + usleep_range(3000, 4000); } } =20 --=20 2.34.1