Messages in this thread Patch in this message | | | Date | Tue, 30 Dec 2008 08:58:19 -0200 | From | Mauro Carvalho Chehab <> | Subject | Re: [PATCH 4/13, revised] drivers/media/video: use USB API functions rather than constants |
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On Mon, 29 Dec 2008 22:49:22 +0100 (CET) Julia Lawall <julia@diku.dk> wrote:
> As compared to the previous version, this one takes advantage of > usb_endpoint_is_isoc_in. > > > From: Julia Lawall <julia@diku.dk> > > This set of patches introduces calls to the following set of functions:
Applied, thanks.
I needed to do a manual conflict fix (applied patch enclosed), since the USB code on em28xx were moved from em28xx-video.c into em28xx-cards.c on a patch that I've applied before your patch.
Cheers, Mauro
From: Julia Lawall <julia@diku.dk> use USB API functions rather than constants
This set of patches introduces calls to the following set of functions:
usb_endpoint_dir_in(epd) usb_endpoint_dir_out(epd) usb_endpoint_is_bulk_in(epd) usb_endpoint_is_bulk_out(epd) usb_endpoint_is_int_in(epd) usb_endpoint_is_int_out(epd) usb_endpoint_is_isoc_in(epd) usb_endpoint_is_isoc_out(epd) usb_endpoint_num(epd) usb_endpoint_type(epd) usb_endpoint_xfer_bulk(epd) usb_endpoint_xfer_control(epd) usb_endpoint_xfer_int(epd) usb_endpoint_xfer_isoc(epd)
In some cases, introducing one of these functions is not possible, and it just replaces an explicit integer value by one of the following constants:
USB_ENDPOINT_XFER_BULK USB_ENDPOINT_XFER_CONTROL USB_ENDPOINT_XFER_INT USB_ENDPOINT_XFER_ISOC
An extract of the semantic patch that makes these changes is as follows: (http://www.emn.fr/x-info/coccinelle/)
// <smpl> @r1@ struct usb_endpoint_descriptor *epd; @@
- ((epd->bmAttributes & \(USB_ENDPOINT_XFERTYPE_MASK\|3\)) == - \(USB_ENDPOINT_XFER_CONTROL\|0\)) + usb_endpoint_xfer_control(epd)
@r5@ struct usb_endpoint_descriptor *epd; @@
- ((epd->bEndpointAddress & \(USB_ENDPOINT_DIR_MASK\|0x80\)) == - \(USB_DIR_IN\|0x80\)) + usb_endpoint_dir_in(epd) // </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
linux/drivers/media/video/em28xx/em28xx-cards.c | 8 ++++---- linux/drivers/media/video/stk-webcam.c | 7 ++----- linux/drivers/media/video/usbvideo/ibmcam.c | 4 ++-- linux/drivers/media/video/usbvideo/konicawc.c | 4 ++-- linux/drivers/media/video/usbvideo/quickcam_messenger.c | 7 ++----- linux/drivers/media/video/usbvideo/ultracam.c | 4 ++-- linux/drivers/media/video/usbvideo/vicam.c | 3 +-- linux/drivers/media/video/usbvision/usbvision-video.c | 5 ++--- 8 files changed, 17 insertions(+), 25 deletions(-)
diff -r 567e6e49f817 -r 333f701e1ae8 linux/drivers/media/video/em28xx/em28xx-cards.c --- a/linux/drivers/media/video/em28xx/em28xx-cards.c Fri Dec 12 02:01:14 2008 +0000 +++ b/linux/drivers/media/video/em28xx/em28xx-cards.c Tue Dec 30 00:49:22 2008 +0000 @@ -2064,8 +2064,8 @@ static int em28xx_usb_probe(struct usb_i endpoint = &interface->cur_altsetting->endpoint[0].desc; /* check if the device has the iso in endpoint at the correct place */ - if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_ISOC && + if (usb_endpoint_xfer_isoc(endpoint) + && (interface->altsetting[1].endpoint[0].desc.wMaxPacketSize == 940)) { /* It's a newer em2874/em2875 device */ isoc_pipe = 0; @@ -2073,11 +2073,11 @@ static int em28xx_usb_probe(struct usb_i int check_interface = 1; isoc_pipe = 1; endpoint = &interface->cur_altsetting->endpoint[1].desc; - if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != + if (usb_endpoint_type(endpoint) != USB_ENDPOINT_XFER_ISOC) check_interface = 0; - if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) + if (usb_endpoint_dir_out(endpoint)) check_interface = 0; if (!check_interface) { diff -r 567e6e49f817 -r 333f701e1ae8 linux/drivers/media/video/stk-webcam.c --- a/linux/drivers/media/video/stk-webcam.c Fri Dec 12 02:01:14 2008 +0000 +++ b/linux/drivers/media/video/stk-webcam.c Tue Dec 30 00:49:22 2008 +0000 @@ -1397,12 +1397,9 @@ static int stk_camera_probe(struct usb_i endpoint = &iface_desc->endpoint[i].desc; if (!dev->isoc_ep - && ((endpoint->bEndpointAddress - & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) - && ((endpoint->bmAttributes - & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_ISOC)) { + && usb_endpoint_is_isoc_in(endpoint)) { /* we found an isoc in endpoint */ - dev->isoc_ep = (endpoint->bEndpointAddress & 0xF); + dev->isoc_ep = usb_endpoint_num(endpoint); break; } } diff -r 567e6e49f817 -r 333f701e1ae8 linux/drivers/media/video/usbvideo/ibmcam.c --- a/linux/drivers/media/video/usbvideo/ibmcam.c Fri Dec 12 02:01:14 2008 +0000 +++ b/linux/drivers/media/video/usbvideo/ibmcam.c Tue Dec 30 00:49:22 2008 +0000 @@ -3779,11 +3779,11 @@ static int ibmcam_probe(struct usb_inter err("Alternate settings have different endpoint addresses!"); return -ENODEV; } - if ((endpoint->bmAttributes & 0x03) != 0x01) { + if (usb_endpoint_type(endpoint) != USB_ENDPOINT_XFER_ISOC) { err("Interface %d. has non-ISO endpoint!", ifnum); return -ENODEV; } - if ((endpoint->bEndpointAddress & 0x80) == 0) { + if (usb_endpoint_dir_out(endpoint)) { err("Interface %d. has ISO OUT endpoint!", ifnum); return -ENODEV; } diff -r 567e6e49f817 -r 333f701e1ae8 linux/drivers/media/video/usbvideo/konicawc.c --- a/linux/drivers/media/video/usbvideo/konicawc.c Fri Dec 12 02:01:14 2008 +0000 +++ b/linux/drivers/media/video/usbvideo/konicawc.c Tue Dec 30 00:49:22 2008 +0000 @@ -836,12 +836,12 @@ static int konicawc_probe(struct usb_int err("Alternate settings have different endpoint addresses!"); return -ENODEV; } - if ((endpoint->bmAttributes & 0x03) != 0x01) { + if (usb_endpoint_type(endpoint) != USB_ENDPOINT_XFER_ISOC) { err("Interface %d. has non-ISO endpoint!", interface->desc.bInterfaceNumber); return -ENODEV; } - if ((endpoint->bEndpointAddress & 0x80) == 0) { + if (usb_endpoint_dir_out(endpoint)) { err("Interface %d. has ISO OUT endpoint!", interface->desc.bInterfaceNumber); return -ENODEV; diff -r 567e6e49f817 -r 333f701e1ae8 linux/drivers/media/video/usbvideo/quickcam_messenger.c --- a/linux/drivers/media/video/usbvideo/quickcam_messenger.c Fri Dec 12 02:01:14 2008 +0000 +++ b/linux/drivers/media/video/usbvideo/quickcam_messenger.c Tue Dec 30 00:49:22 2008 +0000 @@ -972,8 +972,7 @@ static int qcm_probe(struct usb_interfac for (j=0; j < interface->desc.bNumEndpoints; j++) { endpoint = &interface->endpoint[j].desc; - if ((endpoint->bEndpointAddress & - USB_ENDPOINT_DIR_MASK) != USB_DIR_IN) + if (usb_endpoint_dir_out(endpoint)) continue; /* not input then not good */ buffer_size = le16_to_cpu(endpoint->wMaxPacketSize); @@ -982,9 +981,7 @@ static int qcm_probe(struct usb_interfac continue; /* 0 pkt size is not what we want */ } - if ((endpoint->bmAttributes & - USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_ISOC) { + if (usb_endpoint_xfer_isoc(endpoint)) { video_ep = endpoint->bEndpointAddress; /* break out of the search */ goto good_videoep; diff -r 567e6e49f817 -r 333f701e1ae8 linux/drivers/media/video/usbvideo/ultracam.c --- a/linux/drivers/media/video/usbvideo/ultracam.c Fri Dec 12 02:01:14 2008 +0000 +++ b/linux/drivers/media/video/usbvideo/ultracam.c Tue Dec 30 00:49:22 2008 +0000 @@ -556,12 +556,12 @@ static int ultracam_probe(struct usb_int err("Alternate settings have different endpoint addresses!"); return -ENODEV; } - if ((endpoint->bmAttributes & 0x03) != 0x01) { + if (usb_endpoint_type(endpoint) != USB_ENDPOINT_XFER_ISOC) { err("Interface %d. has non-ISO endpoint!", interface->desc.bInterfaceNumber); return -ENODEV; } - if ((endpoint->bEndpointAddress & 0x80) == 0) { + if (usb_endpoint_dir_out(endpoint)) { err("Interface %d. has ISO OUT endpoint!", interface->desc.bInterfaceNumber); return -ENODEV; diff -r 567e6e49f817 -r 333f701e1ae8 linux/drivers/media/video/usbvideo/vicam.c --- a/linux/drivers/media/video/usbvideo/vicam.c Fri Dec 12 02:01:14 2008 +0000 +++ b/linux/drivers/media/video/usbvideo/vicam.c Tue Dec 30 00:49:22 2008 +0000 @@ -1154,8 +1154,7 @@ vicam_probe( struct usb_interface *intf, interface->desc.bInterfaceNumber, (unsigned) (interface->desc.bNumEndpoints)); endpoint = &interface->endpoint[0].desc; - if ((endpoint->bEndpointAddress & 0x80) && - ((endpoint->bmAttributes & 3) == 0x02)) { + if (usb_endpoint_is_bulk_in(endpoint)) { /* we found a bulk in endpoint */ bulkEndpoint = endpoint->bEndpointAddress; } else { diff -r 567e6e49f817 -r 333f701e1ae8 linux/drivers/media/video/usbvision/usbvision-video.c --- a/linux/drivers/media/video/usbvision/usbvision-video.c Fri Dec 12 02:01:14 2008 +0000 +++ b/linux/drivers/media/video/usbvision/usbvision-video.c Tue Dec 30 00:49:22 2008 +0000 @@ -1679,7 +1679,7 @@ static int __devinit usbvision_probe(str interface = &dev->actconfig->interface[ifnum]->altsetting[0]; } endpoint = &interface->endpoint[1].desc; - if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != + if (usb_endpoint_type(endpoint) != USB_ENDPOINT_XFER_ISOC) { err("%s: interface %d. has non-ISO endpoint!", __func__, ifnum); @@ -1687,8 +1687,7 @@ static int __devinit usbvision_probe(str __func__, endpoint->bmAttributes); return -ENODEV; } - if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == - USB_DIR_OUT) { + if (usb_endpoint_dir_out(endpoint)) { err("%s: interface %d. has ISO OUT endpoint!", __func__, ifnum); return -ENODEV;
--- Patch is available at: http://linuxtv.org/hg/v4l-dvb/rev/333f701e1ae886614635132dbf7527fd54dce229
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