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| author | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2006-11-20 00:05:05 +0100 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2006-12-07 23:04:59 +0100 |
| commit | 9868e0ec03fd4ac9cb3943e5dae0ad6a14faa5ff (patch) | |
| tree | 7ee0e0bda6be7ec55c65e9b04abd5e1ffa6be79e | |
| parent | 63cca59e89892497e95e1e9c7156d3345fb7e2e8 (diff) | |
| download | linux-9868e0ec03fd4ac9cb3943e5dae0ad6a14faa5ff.tar.bz2 | |
ieee1394: raw1394: defer feature removal of old isoch interface
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 <stefanr@s5r6.in-berlin.de>
| -rw-r--r-- | Documentation/feature-removal-schedule.txt | 11 | ||||
| -rw-r--r-- | drivers/ieee1394/raw1394.c | 17 |
2 files changed, 23 insertions, 5 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 226ecf2ffd56..3fef3444c761 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -30,11 +30,12 @@ Who: Adrian Bunk <bunk@stusta.de> --------------------------- What: raw1394: requests of type RAW1394_REQ_ISO_SEND, RAW1394_REQ_ISO_LISTEN -When: November 2006 -Why: Deprecated in favour of the new ioctl-based rawiso interface, which is - more efficient. You should really be using libraw1394 for raw1394 - access anyway. -Who: Jody McIntyre <scjody@modernduck.com> +When: June 2007 +Why: Deprecated in favour of the more efficient and robust rawiso interface. + Affected are applications which use the deprecated part of libraw1394 + (raw1394_iso_write, raw1394_start_iso_write, raw1394_start_iso_rcv, + raw1394_stop_iso_rcv) or bypass libraw1394. +Who: Dan Dennedy <dan@dennedy.org>, Stefan Richter <stefanr@s5r6.in-berlin.de> --------------------------- diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c index bf71e069eaf5..4889383d3091 100644 --- a/drivers/ieee1394/raw1394.c +++ b/drivers/ieee1394/raw1394.c @@ -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); |