[PATCH] USB: host: hub: increase delay after device removal

[Sascha Hauer]

Hi Christoph,

On Wed, Dec 28, 2016 at 04:29:44PM +0100, Christoph Fritz wrote:
> This patch increases delay time for slow hubs after device removal.

Could you spent a few words what happens without this patch, i.e. how
the symptons look and which hardware you observed that? Without this
information it will be very hard to ever change this line again.

Sascha

> 
> Signed-off-by: Christoph Fritz <chf.fritz at googlemail.com>
> ---
>  drivers/usb/core/hub.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
> index f44aea5..0854e3a 100644
> --- a/drivers/usb/core/hub.c
> +++ b/drivers/usb/core/hub.c
> @@ -201,7 +201,7 @@ static void usb_hub_port_connect_change(struct usb_device *dev, int port)
>  	if (dev->children[port] && !(portstatus & USB_PORT_STAT_ENABLE))
>  		usb_remove_device(dev->children[port]);
>  
> -	mdelay(200);
> +	mdelay(500);
>  
>  	/* Reset the port */
>  	if (hub_port_reset(dev, port, &portstatus) < 0) {
> -- 
> 2.1.4
> 
> 
> 
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> 

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