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Sun, 10 May 2026 05:39:26 -0700 (PDT) Received: from localhost.localdomain ([82.215.118.79]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4549120ec0asm17628703f8f.17.2026.05.10.05.39.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 10 May 2026 05:39:26 -0700 (PDT) From: Stepan Ionichev To: jic23@kernel.org Cc: lars@metafoo.de, Michael.Hennerich@analog.com, alisa.roman@analog.com, dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, sozdayvek@gmail.com Subject: [PATCH] iio: adc: ad7192: replace usleep_range() with fsleep() Date: Sun, 10 May 2026 10:24:01 +0500 Message-Id: <20260510052401.31057-1-sozdayvek@gmail.com> X-Mailer: git-send-email 2.33.0.windows.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The "at least 500us" wait after serial interface reset has no specific upper bound. fsleep(500) expands to the same usleep_range(500, 1000) internally and is the kernel helper for plain "about N microseconds" delays. No functional change. Signed-off-by: Stepan Ionichev --- drivers/iio/adc/ad7192.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c index 8b1664f6b..712004ab5 100644 --- a/drivers/iio/adc/ad7192.c +++ b/drivers/iio/adc/ad7192.c @@ -576,7 +576,7 @@ static int ad7192_setup(struct iio_dev *indio_dev, struct device *dev) ret = ad_sd_reset(&st->sd); if (ret < 0) return ret; - usleep_range(500, 1000); /* Wait for at least 500us */ + fsleep(500); /* Wait for at least 500us */ /* write/read test for device presence */ ret = ad_sd_read_reg(&st->sd, AD7192_REG_ID, 1, &id); -- 2.43.0