diff options
author | Hans de Goede <hdegoede@redhat.com> | 2015-01-11 20:34:53 +0100 |
---|---|---|
committer | Marek Vasut <marex@denx.de> | 2015-01-18 12:31:36 +0100 |
commit | accf04c2aa106a8ea5387d309e1ac037eba5ad63 (patch) | |
tree | aa0a0ccdc4a6272f7122e3655f886ddd1824d6c9 /drivers/usb/musb-new | |
parent | b918a0c6f694a58b54a7de949d0c720bc6671bd9 (diff) |
musb-new: Add urb and hep parameters to construct_urb
Make construct_urb take an urb and hep parameter, rather then having it always
operate on the file global urb and hep structs. This is a preperation patch
for adding interrupt queue support.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/usb/musb-new')
-rw-r--r-- | drivers/usb/musb-new/musb_uboot.c | 63 |
1 files changed, 31 insertions, 32 deletions
diff --git a/drivers/usb/musb-new/musb_uboot.c b/drivers/usb/musb-new/musb_uboot.c index e823ad1a74..3f9a98c907 100644 --- a/drivers/usb/musb-new/musb_uboot.c +++ b/drivers/usb/musb-new/musb_uboot.c @@ -25,36 +25,35 @@ static void musb_host_complete_urb(struct urb *urb) static struct usb_host_endpoint hep; static struct urb urb; -static struct urb *construct_urb(struct usb_device *dev, int endpoint_type, - unsigned long pipe, void *buffer, int len, - struct devrequest *setup, int interval) +static void construct_urb(struct urb *urb, struct usb_host_endpoint *hep, + struct usb_device *dev, int endpoint_type, + unsigned long pipe, void *buffer, int len, + struct devrequest *setup, int interval) { int epnum = usb_pipeendpoint(pipe); int is_in = usb_pipein(pipe); - memset(&urb, 0, sizeof(struct urb)); - memset(&hep, 0, sizeof(struct usb_host_endpoint)); - INIT_LIST_HEAD(&hep.urb_list); - INIT_LIST_HEAD(&urb.urb_list); - urb.ep = &hep; - urb.complete = musb_host_complete_urb; - urb.status = -EINPROGRESS; - urb.dev = dev; - urb.pipe = pipe; - urb.transfer_buffer = buffer; - urb.transfer_dma = (unsigned long)buffer; - urb.transfer_buffer_length = len; - urb.setup_packet = (unsigned char *)setup; - - urb.ep->desc.wMaxPacketSize = + memset(urb, 0, sizeof(struct urb)); + memset(hep, 0, sizeof(struct usb_host_endpoint)); + INIT_LIST_HEAD(&hep->urb_list); + INIT_LIST_HEAD(&urb->urb_list); + urb->ep = hep; + urb->complete = musb_host_complete_urb; + urb->status = -EINPROGRESS; + urb->dev = dev; + urb->pipe = pipe; + urb->transfer_buffer = buffer; + urb->transfer_dma = (unsigned long)buffer; + urb->transfer_buffer_length = len; + urb->setup_packet = (unsigned char *)setup; + + urb->ep->desc.wMaxPacketSize = __cpu_to_le16(is_in ? dev->epmaxpacketin[epnum] : dev->epmaxpacketout[epnum]); - urb.ep->desc.bmAttributes = endpoint_type; - urb.ep->desc.bEndpointAddress = + urb->ep->desc.bmAttributes = endpoint_type; + urb->ep->desc.bEndpointAddress = (is_in ? USB_DIR_IN : USB_DIR_OUT) | epnum; - urb.ep->desc.bInterval = interval; - - return &urb; + urb->ep->desc.bInterval = interval; } static int submit_urb(struct usb_hcd *hcd, struct urb *urb) @@ -86,31 +85,31 @@ static int submit_urb(struct usb_hcd *hcd, struct urb *urb) int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer, int len, struct devrequest *setup) { - struct urb *urb = construct_urb(dev, USB_ENDPOINT_XFER_CONTROL, pipe, - buffer, len, setup, 0); + construct_urb(&urb, &hep, dev, USB_ENDPOINT_XFER_CONTROL, pipe, + buffer, len, setup, 0); /* Fix speed for non hub-attached devices */ if (!dev->parent) dev->speed = host_speed; - return submit_urb(&hcd, urb); + return submit_urb(&hcd, &urb); } int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer, int len) { - struct urb *urb = construct_urb(dev, USB_ENDPOINT_XFER_BULK, pipe, - buffer, len, NULL, 0); - return submit_urb(&hcd, urb); + construct_urb(&urb, &hep, dev, USB_ENDPOINT_XFER_BULK, pipe, + buffer, len, NULL, 0); + return submit_urb(&hcd, &urb); } int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, int len, int interval) { - struct urb *urb = construct_urb(dev, USB_ENDPOINT_XFER_INT, pipe, - buffer, len, NULL, interval); - return submit_urb(&hcd, urb); + construct_urb(&urb, &hep, dev, USB_ENDPOINT_XFER_INT, pipe, + buffer, len, NULL, interval); + return submit_urb(&hcd, &urb); } void usb_reset_root_port(void) |