staging/easycap: kill timeval members of easycap struct

timeval[0-9] were not used or used in a ready only code
so we can remove them safely and so the code

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/easycap/easycap.h

@@ -324,13 +324,6 @@ struct easycap {
 	int lost[INPUT_MANY];
 	int merit[180];
 
-	struct timeval timeval0;
-	struct timeval timeval1;
-	struct timeval timeval2;
-	struct timeval timeval3;
-	struct timeval timeval6;
-	struct timeval timeval7;
-	struct timeval timeval8;
 	long long int dnbydt;
 
 	int    video_interface;
@@ -543,10 +536,6 @@ int              read_vt(struct usb_device *, u16);
 int              write_vt(struct usb_device *, u16, u16);
 int		isdongle(struct easycap *);
 /*---------------------------------------------------------------------------*/
-struct signed_div_result {
-	long long int quotient;
-	unsigned long long int remainder;
-} signed_div(long long int, long long int);
 
 
 /*---------------------------------------------------------------------------*/

drivers/staging/easycap/easycap_ioctl.c

@@ -931,7 +931,6 @@ static int adjust_mute(struct easycap *peasycap, int value)
 			switch (peasycap->mute) {
 			case 1: {
 				peasycap->audio_idle = 1;
-				peasycap->timeval0.tv_sec = 0;
 				SAM("adjusting mute: %i=peasycap->audio_idle\n",
 				    peasycap->audio_idle);
 				return 0;
@@ -2333,7 +2332,6 @@ long easycap_unlocked_ioctl(struct file *file,
 
 		peasycap->video_idle = 1;
 		peasycap->audio_idle = 1;
-		peasycap->timeval0.tv_sec = 0;
 /*---------------------------------------------------------------------------*/
 /*
  *  IF THE WAIT QUEUES ARE NOT CLEARED IN RESPONSE TO THE STREAMOFF COMMAND

drivers/staging/easycap/easycap_main.c

@@ -270,7 +270,6 @@ static int reset(struct easycap *peasycap)
 
 	peasycap->video_eof = 0;
 	peasycap->audio_eof = 0;
-	do_gettimeofday(&peasycap->timeval7);
 /*---------------------------------------------------------------------------*/
 /*
  * RESTORE INPUT AND FORCE REFRESH OF STANDARD, FORMAT, ETC.
@@ -1215,10 +1214,6 @@ int easycap_dqbuf(struct easycap *peasycap, int mode)
 int
 field2frame(struct easycap *peasycap)
 {
-	struct timeval timeval;
-	long long int above, below;
-	u32 remainder;
-	struct signed_div_result sdr;
 
 	void *pex, *pad;
 	int kex, kad, mex, mad, rex, rad, rad2;
@@ -1576,52 +1571,11 @@ field2frame(struct easycap *peasycap)
 	if (peasycap->field_read == peasycap->field_fill)
 		SAM("WARNING: on exit, filling field buffer %i\n",
 						peasycap->field_read);
-/*---------------------------------------------------------------------------*/
-/*
- *  CALCULATE VIDEO STREAMING RATE
- */
-/*---------------------------------------------------------------------------*/
-	do_gettimeofday(&timeval);
-	if (peasycap->timeval6.tv_sec) {
-		below = ((long long int)(1000000)) *
-			((long long int)(timeval.tv_sec -
-						peasycap->timeval6.tv_sec)) +
-			 (long long int)(timeval.tv_usec - peasycap->timeval6.tv_usec);
-		above = (long long int)1000000;
-
-		sdr = signed_div(above, below);
-		above = sdr.quotient;
-		remainder = (u32)sdr.remainder;
-
-		JOM(8, "video streaming at %3lli.%03i fields per second\n",
-				above, (remainder/1000));
-	}
-	peasycap->timeval6 = timeval;
 
 	if (caches)
 		JOM(8, "%i=caches\n", caches);
 	return 0;
 }
-/*****************************************************************************/
-struct signed_div_result
-signed_div(long long int above, long long int below)
-{
-	struct signed_div_result sdr;
-
-	if (((0 <= above) && (0 <= below)) || ((0  > above) && (0  > below))) {
-		sdr.remainder = (unsigned long long int) do_div(above, below);
-		sdr.quotient  = (long long int) above;
-	} else {
-		if (0 > above)
-			above = -above;
-		if (0 > below)
-			below = -below;
-		sdr.remainder = (unsigned long long int) do_div(above, below);
-		sdr.quotient  = -((long long int) above);
-	}
-	return sdr;
-}
-/*****************************************************************************/
 /*---------------------------------------------------------------------------*/
 /*
  *  DECIMATION AND COLOURSPACE CONVERSION.
@@ -2755,8 +2709,6 @@ static void easycap_complete(struct urb *purb)
 							wake_up_interruptible
 								(&(peasycap->
 									 wq_video));
-							do_gettimeofday
-								(&peasycap->timeval7);
 						} else {
 						peasycap->video_junk++;
 						if (bad & 0x0010)

drivers/staging/easycap/easycap_sound.c

@@ -666,9 +666,6 @@ easycap_sound_setup(struct easycap *peasycap)
 	peasycap->audio_eof = 0;
 	peasycap->audio_idle = 0;
 
-	peasycap->timeval1.tv_sec  = 0;
-	peasycap->timeval1.tv_usec = 0;
-
 	submit_audio_urbs(peasycap);
 
 	JOM(4, "finished initialization\n");