ste_dma40: move channel mode to a separate field

And keep it logical by default.

Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 7bc535e..ddaeb51 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -1151,8 +1151,7 @@
 	int res = 0;
 	u32 dst_event_group = D40_TYPE_TO_GROUP(conf->dst_dev_type);
 	u32 src_event_group = D40_TYPE_TO_GROUP(conf->src_dev_type);
-	bool is_log = (conf->channel_type & STEDMA40_CHANNEL_IN_OPER_MODE)
-		== STEDMA40_CHANNEL_IN_LOG_MODE;
+	bool is_log = conf->mode == STEDMA40_MODE_LOGICAL;
 
 	if (!conf->dir) {
 		dev_err(&d40c->chan.dev->device, "[%s] Invalid direction.\n",
@@ -1316,10 +1315,7 @@
 	int j;
 	int log_num;
 	bool is_src;
-	bool is_log = (d40c->dma_cfg.channel_type &
-		       STEDMA40_CHANNEL_IN_OPER_MODE)
-		== STEDMA40_CHANNEL_IN_LOG_MODE;
-
+	bool is_log = d40c->dma_cfg.mode == STEDMA40_MODE_LOGICAL;
 
 	phys = d40c->base->phy_res;