linux-kernel - [PATCH] drivers: fsi: This patch fix the following checkpatch warning.

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Message-Id: <1555338904-11183-1-git-send-email-mohankumar718@gmail.com>
Date:   Mon, 15 Apr 2019 17:35:04 +0300
From:   Mohan Kumar <mohankumar718@...il.com>
To:     benh@...nel.crashing.org
Cc:     gustavo@...eddedor.com, linux-kernel@...r.kernel.org
Subject: [PATCH] drivers: fsi: This patch fix the following checkpatch warning.

As per Documentation/timers/timers-howto.txt Msleep < 20ms can sleep for
up to 20ms. so use usleep_range.

Signed-off-by: Mohan Kumar <mohankumar718@...il.com>
---
 drivers/fsi/fsi-master-ast-cf.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/fsi/fsi-master-ast-cf.c b/drivers/fsi/fsi-master-ast-cf.c
index 04d10ea..60eccc7 100644
--- a/drivers/fsi/fsi-master-ast-cf.c
+++ b/drivers/fsi/fsi-master-ast-cf.c
@@ -588,7 +588,7 @@ static int fsi_master_acf_xfer(struct fsi_master_acf *master, uint8_t slave,
 		dev_dbg(master->dev, "ECRC retry %d\n", retries);
 
 		/* Pace it a bit before retry */
-		msleep(1);
+		usleep_range(1000, 2000);
 	}
 
 	return rc;
@@ -690,9 +690,9 @@ static int fsi_master_acf_break(struct fsi_master *_master, int link)
 static void reset_cf(struct fsi_master_acf *master)
 {
 	regmap_write(master->scu, SCU_COPRO_CTRL, SCU_COPRO_RESET);
-	usleep_range(20,20);
+	usleep_range(15, 20);
 	regmap_write(master->scu, SCU_COPRO_CTRL, 0);
-	usleep_range(20,20);
+	usleep_range(15, 20);
 }
 
 static void start_cf(struct fsi_master_acf *master)
@@ -913,7 +913,7 @@ static int copro_enable_sw_irq(struct fsi_master_acf *master)
 		val = ioread32(master->cvic + CVIC_EN_REG);
 		if (val & 2)
 			break;
-		msleep(1);
+		usleep_range(1000, 2000);
 	}
 	if (!(val & 2)) {
 		dev_err(master->dev, "Failed to enable coprocessor interrupt !\n");
@@ -970,7 +970,7 @@ static int fsi_master_acf_setup(struct fsi_master_acf *master)
 		val = ioread8(master->sram + CF_STARTED);
 		if (val)
 			break;
-		msleep(1);
+		usleep_range(1000, 2000);
 	}
 	if (!val) {
 		dev_err(master->dev, "Coprocessor startup timeout !\n");
-- 
2.7.4