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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2018-11-13 12:58:49 +0300
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2018-11-13 12:59:10 +0300
commit0ea0397a3a12f9720d6acb78a48da796a54e81aa (patch)
treee2078363019cb2fde493844d7f25293412c4b6df /drivers/usb/host/pci-quirks.c
parent913240696ec64a2af2de250b1591cc45b5cea2f6 (diff)
parent651022382c7f8da46cb4872a545ee1da6d097d2a (diff)
downloadlinux-0ea0397a3a12f9720d6acb78a48da796a54e81aa.tar.xz
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
drm-next is forwarded to v4.20-rc1, and we need this to make a patch series apply. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers/usb/host/pci-quirks.c')
-rw-r--r--drivers/usb/host/pci-quirks.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 3625a5c1a41b..3ce71cbfbb58 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -783,15 +783,9 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev)
/* disable interrupts */
writel((u32) ~0, base + OHCI_INTRDISABLE);
- /* Reset the USB bus, if the controller isn't already in RESET */
- if (control & OHCI_HCFS) {
- /* Go into RESET, preserving RWC (and possibly IR) */
- writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL);
- readl(base + OHCI_CONTROL);
-
- /* drive bus reset for at least 50 ms (7.1.7.5) */
- msleep(50);
- }
+ /* Go into the USB_RESET state, preserving RWC (and possibly IR) */
+ writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL);
+ readl(base + OHCI_CONTROL);
/* software reset of the controller, preserving HcFmInterval */
if (!no_fminterval)