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SubjectRe: [PATCH/RFC 2/5] usb:dummy_hcd: connect/disconnect test support
Hi,

On Thu, Jun 16, 2011 at 04:31:04PM +0300, Tatyana Brokhman wrote:
> @@ -1362,6 +1363,43 @@ static struct dummy_ep *find_endpoint (struct dummy *dum, u8 address)
> #define Ep_Request (USB_TYPE_STANDARD | USB_RECIP_ENDPOINT)
> #define Ep_InRequest (Ep_Request | USB_DIR_IN)
>
> +/**
> + * dummy_hcd_conn_disc_work() - performs a disconnect/connect sequence.
> + * @data: pointer to the sceduled work_struct
> + */
> +static void dummy_hcd_conn_disc_work(struct work_struct *data)
> +{
> + struct dummy_hcd *dum_hcd =
> + container_of(data, struct dummy_hcd, conn_disc_work);
> + int ret_val;
> +
> + if (!dum_hcd->dum->driver) {
> + dev_err(dummy_dev(dum_hcd),
> + "dummy_hcd_conn_disc_work called without connected "
> + "device\n");
> + return;
> + }
> +
> + dev_info(dummy_dev(dum_hcd), "disconnecting device...\n");
> + ret_val = dummy_pullup(&dum_hcd->dum->gadget, 0);
> + if (ret_val) {
> + dev_err(dummy_dev(dum_hcd), "dummy_hcd_conn_disc_work:"
> + " couldn't disconnect device:"
> + " ret_val=%d\n",
> + ret_val);
> + return;
> + }
> +
> + dev_info(dummy_dev(dum_hcd), "re-connecting device...\n");
> + /* We have to let the hub task to update the device disconnect state */
> + msleep_interruptible(1000);
> + ret_val = dummy_pullup(&dum_hcd->dum->gadget, 1);
> + if (ret_val)
> + dev_err(dummy_dev(dum_hcd), "dummy_hcd_conn_disc_work:"
> + " couldn't re-connect device:"
> + " ret_val=%d\n",
> + ret_val);

this print is quite ugly. How about something like:

dev_err(dummy_dev(dum_hcd), "%s: couldn't re-connect --> %d\n",
__func__, ret_val);

???

--
balbi
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