fbdev: pxa3xx: use ktime_get_ts64 for time stamps

@@ -104,7 +104,7 @@ struct pxa3xx_gcu_priv {
 	wait_queue_head_t	  wait_idle;
 	wait_queue_head_t	  wait_free;
 	spinlock_t		  spinlock;
-	struct timeval 		  base_time;
+	struct timespec64	  base_time;
 
 	struct pxa3xx_gcu_batch *free;
 	struct pxa3xx_gcu_batch *ready;

@@ -126,18 +126,20 @@ gc_writel(struct pxa3xx_gcu_priv *priv, unsigned int off, unsigned long val)
 
 #define QPRINT(priv, level, msg)					\
 	do {								\
-		struct timeval tv;					\
+		struct timespec64 ts;					\
 		struct pxa3xx_gcu_shared *shared = priv->shared;	\
 		u32 base = gc_readl(priv, REG_GCRBBR);			\
 									\
-		do_gettimeofday(&tv);					\
+		ktime_get_ts64(&ts);					\
+		ts = timespec64_sub(ts, priv->base_time);		\
 									\
-		printk(level "%ld.%03ld.%03ld - %-17s: %-21s (%s, "	\
+		printk(level "%lld.%03ld.%03ld - %-17s: %-21s (%s, "	\
 			"STATUS "					\
 			"0x%02lx, B 0x%08lx [%ld], E %5ld, H %5ld, "	\
 			"T %5ld)\n",					\
-			tv.tv_sec - priv->base_time.tv_sec,		\
-			tv.tv_usec / 1000, tv.tv_usec % 1000,		\
+			(s64)(tv.tv_sec),				\
+			tv.tv_usec / NSEC_PER_MSEC,			\
+			(tv.tv_usec % NSEC_PER_MSEC) / USEC_PER_MSEC,	\
 			__func__, msg,					\
 			shared->hw_running ? "running" : "   idle",	\
 			gc_readl(priv, REG_GCISCR),			\

@@ -164,7 +166,7 @@ pxa3xx_gcu_reset(struct pxa3xx_gcu_priv *priv)
 	priv->shared->buffer_phys = priv->shared_phys;
 	priv->shared->magic = PXA3XX_GCU_SHARED_MAGIC;
 
-	do_gettimeofday(&priv->base_time);
+	ktime_get_ts64(&priv->base_time);
 
 	/* set up the ring buffer pointers */
 	gc_writel(priv, REG_GCRBLR, 0);

@@ -583,8 +583,8 @@ static int radeon_probe_pll_params(struct radeonfb_info *rinfo)
 	int hTotal, vTotal, num, denom, m, n;
 	unsigned long long hz, vclk;
 	long xtal;
-	struct timeval start_tv, stop_tv;
-	long total_secs, total_usecs;
+	ktime_t start_time, stop_time;
+	u64 total_usecs;
 	int i;
 
 	/* Ugh, we cut interrupts, bad bad bad, but we want some precision

@@ -600,7 +600,7 @@ static int radeon_probe_pll_params(struct radeonfb_info *rinfo)
 		if (((INREG(CRTC_VLINE_CRNT_VLINE) >> 16) & 0x3ff) = 0)
 			break;
 
-	do_gettimeofday(&start_tv);
+	start_time = ktime_get();
 
 	for(i=0; i<1000000; i++)
 		if (((INREG(CRTC_VLINE_CRNT_VLINE) >> 16) & 0x3ff) != 0)

@@ -610,18 +610,14 @@ static int radeon_probe_pll_params(struct radeonfb_info *rinfo)
 		if (((INREG(CRTC_VLINE_CRNT_VLINE) >> 16) & 0x3ff) = 0)
 			break;
 	
-	do_gettimeofday(&stop_tv);
+	stop_time = ktime_get();
 	
 	local_irq_enable();
 
-	total_secs = stop_tv.tv_sec - start_tv.tv_sec;
-	if (total_secs > 10)
+	total_usecs = ktime_us_delta(stop_time, start_time);
+	if (total_usecs >= 10 * USEC_PER_SEC || total_usecs = 0)
 		return -1;
-	total_usecs = stop_tv.tv_usec - start_tv.tv_usec;
-	total_usecs += total_secs * 1000000;
-	if (total_usecs < 0)
-		total_usecs = -total_usecs;
-	hz = 1000000/total_usecs;
+	hz = USEC_PER_SEC/(u32)total_usecs;
  
 	hTotal = ((INREG(CRTC_H_TOTAL_DISP) & 0x1ff) + 1) * 8;
 	vTotal = ((INREG(CRTC_V_TOTAL_DISP) & 0x3ff) + 1);