From 9868e0ec03fd4ac9cb3943e5dae0ad6a14faa5ff Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Mon, 20 Nov 2006 00:05:05 +0100 Subject: 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 --- drivers/ieee1394/raw1394.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'drivers') 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 +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); -- cgit v1.2.3