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Subject[Fwd: [PATCH 2.6.17-rc4 1/1] usbvideo misc cleanup]
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Hmm... It seems that those drivers are without any current maintainer.
At least, from my research, I didn't noticed any patch from a maintainer
at 2.6 git tree.

Anyway, let's copy both Dmitri and Simon.

I dunno who were the authors for ibmcam and usbvideo.


-------- Mensagem encaminhada --------
De: jayakumar.video@gmail.com
Para: linux-kernel@vger.kernel.org,
linux-usb-devel@lists.sourceforge.net
Assunto: [PATCH 2.6.17-rc4 1/1] usbvideo misc cleanup
Data: Wed, 17 May 2006 12:13:54 +0800

Hi Greg KH, USB folk, kernel folk,

I've appended a small patch to cleanup some of the usbvideo drivers
as per Oliver Neukum's feedback and the response in the following
threads:

http://marc.theaimsgroup.com/?l=linux-kernel&m=114770240416519&w=2
[ unneccessary urb initialization of .status ]
http://marc.theaimsgroup.com/?l=linux-kernel&m=114767440903341&w=2
[ shouldn't build the cbTbl structs on the stack ]

I hope it's okay with the respective authors.

Thanks,
Jaya Kumar

Signed-off-by: Jaya Kumar <jayakumar.video@gmail.com>

---

ibmcam.c | 25 ++++++++++++++-----------
konicawc.c | 30 +++++++++++++-----------------
usbvideo.c | 5 -----
3 files changed, 27 insertions(+), 33 deletions(-)

---

diff -X linux-2.6.17-rc4-vidcleanup/Documentation/dontdiff -uprN linux-2.6.17-rc4-vanilla/drivers/media/video/usbvideo/ibmcam.c linux-2.6.17-rc4-vidcleanup/drivers/media/video/usbvideo/ibmcam.c
--- linux-2.6.17-rc4-vanilla/drivers/media/video/usbvideo/ibmcam.c 2006-05-17 08:11:36.000000000 +0800
+++ linux-2.6.17-rc4-vidcleanup/drivers/media/video/usbvideo/ibmcam.c 2006-05-17 11:19:14.000000000 +0800
@@ -3899,24 +3899,27 @@ static struct usb_device_id id_table[] =
* 1/27/00 Reworked to use statically allocated ibmcam structures.
* 21/10/00 Completely redesigned to use usbvideo services.
*/
+
+static struct usbvideo_cb ibmcam_driver = {
+ .probe = ibmcam_probe,
+ .setupOnOpen = ibmcam_setup_on_open,
+ .videoStart = ibmcam_video_start,
+ .videoStop = ibmcam_video_stop,
+ .processData = ibmcam_ProcessIsocData,
+ .postProcess = usbvideo_DeinterlaceFrame,
+ .adjustPicture = ibmcam_adjust_picture,
+ .getFPS = ibmcam_calculate_fps
+};
+
+
static int __init ibmcam_init(void)
{
- struct usbvideo_cb cbTbl;
- memset(&cbTbl, 0, sizeof(cbTbl));
- cbTbl.probe = ibmcam_probe;
- cbTbl.setupOnOpen = ibmcam_setup_on_open;
- cbTbl.videoStart = ibmcam_video_start;
- cbTbl.videoStop = ibmcam_video_stop;
- cbTbl.processData = ibmcam_ProcessIsocData;
- cbTbl.postProcess = usbvideo_DeinterlaceFrame;
- cbTbl.adjustPicture = ibmcam_adjust_picture;
- cbTbl.getFPS = ibmcam_calculate_fps;
return usbvideo_register(
&cams,
MAX_IBMCAM,
sizeof(ibmcam_t),
"ibmcam",
- &cbTbl,
+ &ibmcam_driver,
THIS_MODULE,
id_table);
}
diff -X linux-2.6.17-rc4-vidcleanup/Documentation/dontdiff -uprN linux-2.6.17-rc4-vanilla/drivers/media/video/usbvideo/konicawc.c linux-2.6.17-rc4-vidcleanup/drivers/media/video/usbvideo/konicawc.c
--- linux-2.6.17-rc4-vanilla/drivers/media/video/usbvideo/konicawc.c 2006-05-17 08:11:36.000000000 +0800
+++ linux-2.6.17-rc4-vidcleanup/drivers/media/video/usbvideo/konicawc.c 2006-05-17 11:22:41.000000000 +0800
@@ -53,6 +53,7 @@ enum frame_sizes {
#define MAX_FRAME_SIZE SIZE_320X240

static struct usbvideo *cams;
+static unsigned char marker[] = { 0, 0xff, 0, 0x00 };

#ifdef CONFIG_USB_DEBUG
static int debug;
@@ -344,7 +345,6 @@ static int konicawc_compress_iso(struct

keep++;
if(sts & 0x80) { /* frame start */
- unsigned char marker[] = { 0, 0xff, 0, 0x00 };

if(cam->lastframe == -2) {
DEBUG(2, "found initial image");
@@ -368,11 +368,7 @@ static int konicawc_compress_iso(struct
static void resubmit_urb(struct uvd *uvd, struct urb *urb)
{
int i, ret;
- for (i = 0; i < FRAMES_PER_DESC; i++) {
- urb->iso_frame_desc[i].status = 0;
- }
urb->dev = uvd->dev;
- urb->status = 0;
ret = usb_submit_urb(urb, GFP_ATOMIC);
DEBUG(3, "submitting urb of length %d", urb->transfer_buffer_length);
if(ret)
@@ -917,27 +913,27 @@ static struct usb_device_id id_table[] =
{ } /* Terminating entry */
};

+static struct usbvideo_cb konicawc_driver = {
+ .probe = konicawc_probe,
+ .setupOnOpen = konicawc_setup_on_open,
+ .processData = konicawc_process_isoc,
+ .getFPS = konicawc_calculate_fps,
+ .setVideoMode = konicawc_set_video_mode,
+ .startDataPump = konicawc_start_data,
+ .stopDataPump = konicawc_stop_data,
+ .adjustPicture = konicawc_adjust_picture,
+ .userFree = konicawc_free_uvd
+};

static int __init konicawc_init(void)
{
- struct usbvideo_cb cbTbl;
info(DRIVER_DESC " " DRIVER_VERSION);
- memset(&cbTbl, 0, sizeof(cbTbl));
- cbTbl.probe = konicawc_probe;
- cbTbl.setupOnOpen = konicawc_setup_on_open;
- cbTbl.processData = konicawc_process_isoc;
- cbTbl.getFPS = konicawc_calculate_fps;
- cbTbl.setVideoMode = konicawc_set_video_mode;
- cbTbl.startDataPump = konicawc_start_data;
- cbTbl.stopDataPump = konicawc_stop_data;
- cbTbl.adjustPicture = konicawc_adjust_picture;
- cbTbl.userFree = konicawc_free_uvd;
return usbvideo_register(
&cams,
MAX_CAMERAS,
sizeof(struct konicawc),
"konicawc",
- &cbTbl,
+ &konicawc_driver,
THIS_MODULE,
id_table);
}
diff -X linux-2.6.17-rc4-vidcleanup/Documentation/dontdiff -uprN linux-2.6.17-rc4-vanilla/drivers/media/video/usbvideo/usbvideo.c linux-2.6.17-rc4-vidcleanup/drivers/media/video/usbvideo/usbvideo.c
--- linux-2.6.17-rc4-vanilla/drivers/media/video/usbvideo/usbvideo.c 2006-05-17 08:11:36.000000000 +0800
+++ linux-2.6.17-rc4-vidcleanup/drivers/media/video/usbvideo/usbvideo.c 2006-05-17 10:46:21.000000000 +0800
@@ -1720,11 +1720,6 @@ static void usbvideo_IsocIrq(struct urb
RingQueue_WakeUpInterruptible(&uvd->dp);

urb_done_with:
- for (i = 0; i < FRAMES_PER_DESC; i++) {
- urb->iso_frame_desc[i].status = 0;
- urb->iso_frame_desc[i].actual_length = 0;
- }
- urb->status = 0;
urb->dev = uvd->dev;
ret = usb_submit_urb (urb, GFP_KERNEL);
if(ret)
-
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