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

[Mohan Kumar]

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

Signed-off-by: Mohan Kumar <mohankumar...@gmail.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