From 15a3838b101b292c2e40824d843a4d8871ac4010 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Thu, 8 Dec 2011 18:31:53 -0800 Subject: [PATCH] usb: renesas_usbhs: show error reason on usbhsh_urb_enqueu() Signed-off-by: Kuninori Morimoto Signed-off-by: Felipe Balbi --- drivers/usb/renesas_usbhs/mod_host.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c index 92dcc7e..aa50eaa 100644 --- a/drivers/usb/renesas_usbhs/mod_host.c +++ b/drivers/usb/renesas_usbhs/mod_host.c @@ -949,12 +949,15 @@ static int usbhsh_urb_enqueue(struct usb_hcd *hcd, if (!usbhsh_is_running(hpriv)) { ret = -EIO; + dev_err(dev, "host is not running\n"); goto usbhsh_urb_enqueue_error_not_linked; } ret = usb_hcd_link_urb_to_ep(hcd, urb); - if (ret) + if (ret) { + dev_err(dev, "urb link failed\n"); goto usbhsh_urb_enqueue_error_not_linked; + } /* * attach udev if needed @@ -964,6 +967,7 @@ static int usbhsh_urb_enqueue(struct usb_hcd *hcd, new_udev = usbhsh_device_attach(hpriv, urb); if (!new_udev) { ret = -EIO; + dev_err(dev, "device attach failed\n"); goto usbhsh_urb_enqueue_error_not_linked; } } @@ -974,8 +978,10 @@ static int usbhsh_urb_enqueue(struct usb_hcd *hcd, */ if (!usbhsh_ep_to_uep(ep)) { ret = usbhsh_endpoint_attach(hpriv, urb, mem_flags); - if (ret < 0) + if (ret < 0) { + dev_err(dev, "endpoint attach failed\n"); goto usbhsh_urb_enqueue_error_free_device; + } } /* @@ -989,8 +995,10 @@ static int usbhsh_urb_enqueue(struct usb_hcd *hcd, else break; } - if (ret < 0) + if (ret < 0) { + dev_err(dev, "pipe attach failed\n"); goto usbhsh_urb_enqueue_error_free_endpoint; + } /* * push packet -- 2.7.4