Staging: ft1000: use usleep_range()

This patch fixes checkpatch.pl warning
WARNING : msleep < 20ms can sleep for up to 20ms; see
Documentation/timers/timers-howto.txt

Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_download.c b/drivers/staging/ft1000/ft1000-usb/ft1000_download.c
index 297b7aece5062a17531043a477eda4ee2cc61130..cf850212f4b6db0f019e501a87a25eb5d0d002ec 100644 (file)
--- a/drivers/staging/ft1000/ft1000-usb/ft1000_download.c
+++ b/drivers/staging/ft1000/ft1000-usb/ft1000_download.c
@@ -131,7 +131,7 @@ static int check_usb_db(struct ft1000_usb *ft1000dev)
                        break;
                }
                loopcnt++;
-               msleep(10);
+               usleep_range(10000, 11000);
 
        }
 
@@ -142,7 +142,7 @@ static int check_usb_db(struct ft1000_usb *ft1000dev)
                pr_debug("Doorbell = 0x%x\n", temp);
                if (temp & 0x8000) {
                        loopcnt++;
-                       msleep(10);
+                       usleep_range(10000, 11000);
                } else  {
                        pr_debug("door bell is cleared, return 0\n");
                        return 0;
@@ -191,7 +191,7 @@ static u16 get_handshake(struct ft1000_usb *ft1000dev, u16 expected_value)
                        return handshake;
                }
                loopcnt++;
-               msleep(10);
+               usleep_range(10000, 11000);
        }
 
        return HANDSHAKE_TIMEOUT_VALUE;
@@ -254,7 +254,7 @@ static u16 get_handshake_usb(struct ft1000_usb *ft1000dev, u16 expected_value)
                }
 
                loopcnt++;
-               msleep(10);
+               usleep_range(10000, 11000);
                handshake = ntohs(handshake);
                if ((handshake == expected_value) ||
                    (handshake == HANDSHAKE_RESET_VALUE_USB))