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| author | Peter Senna Tschudin <peter.senna@gmail.com> | 2015-10-12 23:22:37 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-17 08:46:27 +0200 |
| commit | 05ebc36e48fa53c9cf01271ed11a8415882699f3 (patch) | |
| tree | eb644a0294162ad9ef6e52acd0d7be81b4a23739 /drivers/usb/host/fotg210-hcd.c | |
| parent | usb/host/fotg210: change kmalloc by kmalloc_array (diff) | |
| download | linux-05ebc36e48fa53c9cf01271ed11a8415882699f3.tar.xz linux-05ebc36e48fa53c9cf01271ed11a8415882699f3.zip | |
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.c | 2 |
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(); |