On Mon, Sep 30, 2013 at 02:25:29PM +0200, [email protected] wrote:
> From: Oliver Neukum <[email protected]>
> 
> Some controllers really do need much longer than the standard
> allows.
> 
> Signed-off-by: Oliver Neukum <[email protected]>
> ---
>  drivers/usb/host/xhci.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
> index 1e36dbb..8b7589d 100644
> --- a/drivers/usb/host/xhci.c
> +++ b/drivers/usb/host/xhci.c
> @@ -861,8 +861,9 @@ int xhci_suspend(struct xhci_hcd *xhci)
>       command = xhci_readl(xhci, &xhci->op_regs->command);
>       command &= ~CMD_RUN;
>       xhci_writel(xhci, command, &xhci->op_regs->command);
> +     /* 1b73:1000 (rev 04) needs a very long timeout */

Any hint on what device this is?

And maybe an extra line before the comment?

How about only doing the delay for specific devices, or is this not a
big deal to wait for every device?

thanks,

greg k-h
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