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authorPeter Senna Tschudin <peter.senna@gmail.com>2015-10-13 00:22:37 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-10-17 09:46:27 +0300
commit05ebc36e48fa53c9cf01271ed11a8415882699f3 (patch)
treeeb644a0294162ad9ef6e52acd0d7be81b4a23739 /drivers/usb/host/fotg210-hcd.c
parent0d88002e2729e93d93631743d57e1f36763ce136 (diff)
downloadlinux-05ebc36e48fa53c9cf01271ed11a8415882699f3.tar.xz
usb/host/fotg210: replace msleep by usleep_range
msleep under 20ms can result in sleeping up to 20ms, which may not be intended. Replace msleep(5) by usleep_range(5000, 10000). The range of 5 ms is to reduce the chances of creating an interrupt while reducing the maximum wait time in 50%. Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/fotg210-hcd.c')
-rw-r--r--drivers/usb/host/fotg210-hcd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c
index 6ef830809c8d..f3c1a718fe0b 100644
--- a/drivers/usb/host/fotg210-hcd.c
+++ b/drivers/usb/host/fotg210-hcd.c
@@ -5085,7 +5085,7 @@ static int fotg210_run(struct usb_hcd *hcd)
fotg210->rh_state = FOTG210_RH_RUNNING;
/* unblock posted writes */
fotg210_readl(fotg210, &fotg210->regs->command);
- msleep(5);
+ usleep_range(5000, 10000);
up_write(&ehci_cf_port_reset_rwsem);
fotg210->last_periodic_enable = ktime_get_real();