media: staging: rkisp1: use a macro for the statistics flags mask

The mask of the ready statistics flags is used in
several places in the code using bitwise-or.
Use a macro for that to make the code more readable.
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Acked-by: Helen Koike <helen.koike@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/rkisp1/rkisp1-common.h

@@ -45,6 +45,10 @@
 
 #define RKISP1_MAX_BUS_CLK	8
 
+#define RKISP1_STATS_MEAS_MASK		(RKISP1_CIF_ISP_AWB_DONE |	\
+					 RKISP1_CIF_ISP_AFM_FIN |	\
+					 RKISP1_CIF_ISP_EXP_END |	\
+					 RKISP1_CIF_ISP_HIST_MEASURE_RDY)
 enum rkisp1_rsz_pad {
 	RKISP1_RSZ_PAD_SINK,
 	RKISP1_RSZ_PAD_SRC,

drivers/staging/media/rkisp1/rkisp1-isp.c

@@ -1139,10 +1139,7 @@ void rkisp1_isp_isr(struct rkisp1_device *rkisp1)
 
 		/* New frame from the sensor received */
 		isp_ris = rkisp1_read(rkisp1, RKISP1_CIF_ISP_RIS);
-		if (isp_ris & (RKISP1_CIF_ISP_AWB_DONE |
-			       RKISP1_CIF_ISP_AFM_FIN |
-			       RKISP1_CIF_ISP_EXP_END |
-			       RKISP1_CIF_ISP_HIST_MEASURE_RDY))
+		if (isp_ris & RKISP1_STATS_MEAS_MASK)
 			rkisp1_stats_isr(&rkisp1->stats, isp_ris);
 	}
 

drivers/staging/media/rkisp1/rkisp1-stats.c

@@ -396,26 +396,18 @@ void rkisp1_stats_isr(struct rkisp1_stats *stats, u32 isp_ris)
 	struct rkisp1_device *rkisp1 = stats->rkisp1;
 	struct rkisp1_isp_readout_work *work;
 	unsigned int isp_mis_tmp = 0;
-	u32 val;
 
 	spin_lock(&stats->irq_lock);
 
-	val = RKISP1_CIF_ISP_AWB_DONE | RKISP1_CIF_ISP_AFM_FIN |
-	      RKISP1_CIF_ISP_EXP_END | RKISP1_CIF_ISP_HIST_MEASURE_RDY;
-	rkisp1_write(rkisp1, val, RKISP1_CIF_ISP_ICR);
+	rkisp1_write(rkisp1, RKISP1_STATS_MEAS_MASK, RKISP1_CIF_ISP_ICR);
 
 	isp_mis_tmp = rkisp1_read(rkisp1, RKISP1_CIF_ISP_MIS);
-	if (isp_mis_tmp &
-	    (RKISP1_CIF_ISP_AWB_DONE | RKISP1_CIF_ISP_AFM_FIN |
-	     RKISP1_CIF_ISP_EXP_END | RKISP1_CIF_ISP_HIST_MEASURE_RDY))
+	if (isp_mis_tmp & RKISP1_STATS_MEAS_MASK)
 		rkisp1->debug.stats_error++;
 
 	if (!stats->is_streaming)
 		goto unlock;
-	if (isp_ris & (RKISP1_CIF_ISP_AWB_DONE |
-		       RKISP1_CIF_ISP_AFM_FIN |
-		       RKISP1_CIF_ISP_EXP_END |
-		       RKISP1_CIF_ISP_HIST_MEASURE_RDY)) {
+	if (isp_ris & RKISP1_STATS_MEAS_MASK) {
 		work = kzalloc(sizeof(*work), GFP_ATOMIC);
 		if (work) {
 			INIT_WORK(&work->work,