Remove scripts/checkpatch.pl WARNING by replacing msleep(1) with usleep_range()

Signed-off-by: Egil Hjelmeland <pri...@egil-hjelmeland.no>
---
 drivers/net/dsa/lan9303-core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c
index c4afc8f1a66d..70ecd18a5e7d 100644
--- a/drivers/net/dsa/lan9303-core.c
+++ b/drivers/net/dsa/lan9303-core.c
@@ -284,7 +284,7 @@ static int lan9303_indirect_phy_wait_for_completion(struct 
lan9303 *chip)
                }
                if (!(reg & LAN9303_PMI_ACCESS_MII_BUSY))
                        return 0;
-               msleep(1);
+               usleep_range(1000, 2000);
        }
 
        return -EIO;
@@ -376,7 +376,7 @@ static int lan9303_switch_wait_for_completion(struct 
lan9303 *chip)
                }
                if (!(reg & LAN9303_SWITCH_CSR_CMD_BUSY))
                        return 0;
-               msleep(1);
+               usleep_range(1000, 2000);
        }
 
        return -EIO;
-- 
2.11.0

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