From: Bitan Biswas <bbiswas@nvidia.com>
To: Laxman Dewangan <ldewangan@nvidia.com>,
Thierry Reding <treding@nvidia.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
<linux-i2c@vger.kernel.org>, <linux-tegra@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, Peter Rosin <peda@axentia.se>,
Wolfram Sang <wsa@the-dreams.de>,
Dmitry Osipenko <digetx@gmail.com>
Cc: Shardar Mohammed <smohammed@nvidia.com>,
Sowjanya Komatineni <skomatineni@nvidia.com>,
Mantravadi Karthik <mkarthik@nvidia.com>,
"Bitan Biswas" <bbiswas@nvidia.com>
Subject: [PATCH V5 5/7] i2c: tegra: fix msleep warning
Date: Tue, 11 Jun 2019 03:51:12 -0700 [thread overview]
Message-ID: <1560250274-18499-5-git-send-email-bbiswas@nvidia.com> (raw)
In-Reply-To: <1560250274-18499-1-git-send-email-bbiswas@nvidia.com>
Fix checkpatch.pl WARNING for delay of approximately 1msec
in flush i2c FIFO polling loop by using usleep_range(1000, 2000):
WARNING: msleep < 20ms can sleep for up to 20ms; see ...
Documentation/timers/timers-howto.txt
+ msleep(1);
Signed-off-by: Bitan Biswas <bbiswas@nvidia.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
---
drivers/i2c/busses/i2c-tegra.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index bececa6..4dfb4c1 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -476,7 +476,7 @@ static int tegra_i2c_flush_fifos(struct tegra_i2c_dev *i2c_dev)
dev_warn(i2c_dev->dev, "timeout waiting for fifo flush\n");
return -ETIMEDOUT;
}
- msleep(1);
+ usleep_range(1000, 2000);
}
return 0;
}
--
2.7.4
next prev parent reply other threads:[~2019-06-11 10:54 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-11 10:51 [PATCH V5 1/7] i2c: tegra: clean up macros Bitan Biswas
2019-06-11 10:51 ` [PATCH V5 2/7] i2c: tegra: remove unnecessary variable init Bitan Biswas
2019-06-12 10:21 ` Wolfram Sang
2019-06-11 10:51 ` [PATCH V5 3/7] i2c: tegra: fix alignment and spacing violations Bitan Biswas
2019-06-12 10:21 ` Wolfram Sang
2019-06-11 10:51 ` [PATCH V5 4/7] i2c: tegra: add spinlock definition comment Bitan Biswas
2019-06-12 10:21 ` Wolfram Sang
2019-06-11 10:51 ` Bitan Biswas [this message]
2019-06-12 10:21 ` [PATCH V5 5/7] i2c: tegra: fix msleep warning Wolfram Sang
2019-06-11 10:51 ` [PATCH V5 6/7] i2c: tegra: fix PIO rx/tx residual transfer check Bitan Biswas
2019-06-12 10:24 ` Wolfram Sang
2019-06-13 11:43 ` Bitan Biswas
2019-06-13 11:52 ` Laxman Dewangan
2019-06-13 13:13 ` Wolfram Sang
2019-06-12 13:55 ` Dmitry Osipenko
2019-06-13 9:59 ` Bitan Biswas
2019-06-12 14:30 ` Dmitry Osipenko
2019-06-13 11:30 ` Bitan Biswas
2019-06-13 12:28 ` Dmitry Osipenko
2019-06-14 9:50 ` Bitan Biswas
2019-06-14 13:02 ` Dmitry Osipenko
2019-06-18 5:21 ` Bitan Biswas
2019-06-11 10:51 ` [PATCH V5 7/7] i2c: tegra: remove BUG, BUG_ON Bitan Biswas
2019-06-11 11:38 ` Dmitry Osipenko
2019-06-12 10:21 ` [PATCH V5 1/7] i2c: tegra: clean up macros Wolfram Sang
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