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Wed, 24 Dec 2025 03:17:12 -0800 (PST) Received: from user ([178.19.85.23]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4324ea830fesm33699241f8f.20.2025.12.24.03.17.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Dec 2025 03:17:12 -0800 (PST) From: ShadowMonkee To: Marc Dietrich , Greg Kroah-Hartman Cc: ac100@lists.launchpad.net, linux-tegra@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, ShadowMonkee Subject: [PATCH] staging: nvec: replace udelay with usleep_range Date: Wed, 24 Dec 2025 12:16:51 +0100 Message-ID: <20251224111651.217679-1-sshadowmonkeyy@gmail.com> X-Mailer: git-send-email 2.52.0 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" udelay() was used for a short delay in the NVEC I2C receive path. Replace it with usleep_range(), which is preferred as it avoids busy-waiting and allows the scheduler to run other tasks. Signed-off-by: ShadowMonkee --- drivers/staging/nvec/nvec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c index 263774e6a78c..dd92f186e0db 100644 --- a/drivers/staging/nvec/nvec.c +++ b/drivers/staging/nvec/nvec.c @@ -648,7 +648,7 @@ static irqreturn_t nvec_interrupt(int irq, void *dev) break; case 2: /* first byte after command */ if (status =3D=3D (I2C_SL_IRQ | RNW | RCVD)) { - udelay(33); + usleep_range(33, 34); if (nvec->rx->data[0] !=3D 0x01) { dev_err(nvec->dev, "Read without prior read command\n"); --=20 2.52.0