diff options
Diffstat (limited to 'drivers/usb/host/ehci-hub.c')
| -rw-r--r-- | drivers/usb/host/ehci-hub.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 0d83c6df1a3..f4d301bc83b 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -36,6 +36,8 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) int port; int mask; + ehci_dbg(ehci, "suspend root hub\n"); + if (time_before (jiffies, ehci->next_statechange)) msleep(5); @@ -134,6 +136,10 @@ static int ehci_bus_resume (struct usb_hcd *hcd) /* restore CMD_RUN, framelist size, and irq threshold */ ehci_writel(ehci, ehci->command, &ehci->regs->command); + /* Some controller/firmware combinations need a delay during which + * they set up the port statuses. See Bugzilla #8190. */ + mdelay(8); + /* manually resume the ports we suspended during bus_suspend() */ i = HCS_N_PORTS (ehci->hcs_params); while (i--) { @@ -651,8 +657,7 @@ static int ehci_hub_control ( if (status & ~0xffff) /* only if wPortChange is interesting */ #endif dbg_port (ehci, "GetStatus", wIndex + 1, temp); - // we "know" this alignment is good, caller used kmalloc()... - *((__le32 *) buf) = cpu_to_le32 (status); + put_unaligned(cpu_to_le32 (status), (__le32 *) buf); break; case SetHubFeature: switch (wValue) { |