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ieee1394: raw1394: defer feature removal of old isoch interface

Browse source 
Known to be affected:
 - libdc1394: prefers video1394 for now, old-style raw1394 support might
   be dropped eventually
 - OpenH323 PWLib, AVC video input module: uses libraw1394's old API

Signed-off-by: Stefan Richter <[email protected]>
This commit is contained in:
Stefan Richter 2006-11-20 00:05:05 +01:00
commit 9868e0ec03
2 changed files with 23 additions and 5 deletions
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17
drivers/ieee1394/raw1394.c
View file

@ -99,6 +99,21 @@ static struct hpsb_address_ops arm_ops = {
static void queue_complete_cb(struct pending_request *req);
#include <asm/current.h>
static void print_old_iso_deprecation(void)
{
static pid_t p;
if (p == current->pid)
return;
p = current->pid;
printk(KERN_WARNING "raw1394: WARNING - Program \"%s\" uses unsupported"
" isochronous request types which will be removed in a next"
" kernel release\n", current->comm);
printk(KERN_WARNING "raw1394: Update your software to use libraw1394's"
" newer interface\n");
}
static struct pending_request *__alloc_pending_request(gfp_t flags)
{
struct pending_request *req;
@ -2292,6 +2307,7 @@ static int state_connected(struct file_info *fi, struct pending_request *req)
return sizeof(struct raw1394_request);
case RAW1394_REQ_ISO_SEND:
print_old_iso_deprecation();
return handle_iso_send(fi, req, node);
case RAW1394_REQ_ARM_REGISTER:
@ -2310,6 +2326,7 @@ static int state_connected(struct file_info *fi, struct pending_request *req)
return reset_notification(fi, req);
case RAW1394_REQ_ISO_LISTEN:
print_old_iso_deprecation();
handle_iso_listen(fi, req);
return sizeof(struct raw1394_request);