Merge git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb

* git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (452 commits)
  V4L/DVB (7731): tuner-xc2028: fix signal strength calculus
  V4L/DVB (7730): tuner-xc2028: Fix SCODE load for MTS firmwares
  V4L/DVB (7729): Fix VIDIOCGAP corruption in ivtv
  V4L/DVB (7728): tea5761: bugzilla #10462: tea5761 autodetection code were broken
  V4L/DVB (7726): cx23885: Enable cx23417 support on the HVR1800
  V4L/DVB (7725): cx23885: Add generic cx23417 hardware encoder support
  V4L/DVB (7723): pvrusb2: Clean up input selection list generation in V4L interface
  V4L/DVB (7722): pvrusb2: Implement FM radio support for Gotview USB2.0 DVD 2
  V4L/DVB (7721): pvrusb2: Restructure cx23416 firmware loading to have a common exit point
  V4L/DVB (7720): pvrusb2: Fix bad error code on cx23416 firmware load failure
  V4L/DVB (7719): pvrusb2: Implement input selection enforcement
  V4L/DVB (7718): pvrusb2-dvb: update Kbuild selections
  V4L/DVB (7717): pvrusb2-dvb: add DVB-T support for Hauppauge pvrusb2 model 73xxx
  V4L/DVB (7716): pvrusb2: clean up global functions
  V4L/DVB (7715): pvrusb2: Clean out all use of __FUNCTION__
  V4L/DVB (7714): pvrusb2: Fix hang on module removal
  V4L/DVB (7713): pvrusb2: Implement cleaner DVB kernel thread shutdown
  V4L/DVB (7712): pvrusb2: Close connect/disconnect race
  V4L/DVB (7711): pvrusb2: Fix race on module unload
  V4L/DVB (7710): pvrusb2: Implement critical digital streaming quirk for onair devices
  ...

1 files changed, 7 insertions, 4 deletions

diff --git a/drivers/media/video/ivtv/ivtv-mailbox.c b/drivers/media/video/ivtv/ivtv-mailbox.c
index 13a6c37..1b5c0ac 100644
--- a/drivers/media/video/ivtv/ivtv-mailbox.c
+++ b/drivers/media/video/ivtv/ivtv-mailbox.c
@@ -177,7 +177,8 @@ static int get_mailbox(struct ivtv *itv, struct ivtv_mailbox_data *mbdata, int f
 
 		/* Sleep before a retry, if not atomic */
 		if (!(flags & API_NO_WAIT_MB)) {
-			if (jiffies - then > msecs_to_jiffies(10*retries))
+			if (time_after(jiffies,
+				       then + msecs_to_jiffies(10*retries)))
 			       break;
 			ivtv_msleep_timeout(10, 0);
 		}
@@ -244,7 +245,9 @@ static int ivtv_api_call(struct ivtv *itv, int cmd, int args, u32 data[])
 	   data, then just return 0 as there is no need to issue this command again.
 	   Just an optimization to prevent unnecessary use of mailboxes. */
 	if (itv->api_cache[cmd].last_jiffies &&
-	    jiffies - itv->api_cache[cmd].last_jiffies < msecs_to_jiffies(1800000) &&
+	    time_before(jiffies,
+			itv->api_cache[cmd].last_jiffies +
+			msecs_to_jiffies(1800000)) &&
 	    !memcmp(data, itv->api_cache[cmd].data, sizeof(itv->api_cache[cmd].data))) {
 		itv->api_cache[cmd].last_jiffies = jiffies;
 		return 0;
@@ -299,7 +302,7 @@ static int ivtv_api_call(struct ivtv *itv, int cmd, int args, u32 data[])
 		}
 	}
 	while (!(readl(&mbox->flags) & IVTV_MBOX_FIRMWARE_DONE)) {
-		if (jiffies - then > api_timeout) {
+		if (time_after(jiffies, then + api_timeout)) {
 			IVTV_DEBUG_WARN("Could not get result (%s)\n", api_info[cmd].name);
 			/* reset the mailbox, but it is likely too late already */
 			write_sync(0, &mbox->flags);
@@ -311,7 +314,7 @@ static int ivtv_api_call(struct ivtv *itv, int cmd, int args, u32 data[])
 		else
 			ivtv_msleep_timeout(1, 0);
 	}
-	if (jiffies - then > msecs_to_jiffies(100))
+	if (time_after(jiffies, then + msecs_to_jiffies(100)))
 		IVTV_DEBUG_WARN("%s took %u jiffies\n",
 				api_info[cmd].name,
 				jiffies_to_msecs(jiffies - then));