dmaengine: ste_dma40: minor code readability fixes

Use internal variables to the cycles to improve code readability, no
functional changes.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>

1 files changed, 8 insertions, 9 deletions

diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 623779e580c3..e317debdbe5a 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -639,19 +639,18 @@ static int d40_lcla_alloc_one(struct d40_chan *d40c,
         unsigned long flags;
         int i;
         int ret = -EINVAL;
-        int p;
 
         spin_lock_irqsave(&d40c->base->lcla_pool.lock, flags);
 
-        p = d40c->phy_chan->num * D40_LCLA_LINK_PER_EVENT_GRP;
-
         /*
          * Allocate both src and dst at the same time, therefore the half
          * start on 1 since 0 can't be used since zero is used as end marker.
          */
         for (i = 1 ; i < D40_LCLA_LINK_PER_EVENT_GRP / 2; i++) {
-                if (!d40c->base->lcla_pool.alloc_map[p + i]) {
-                        d40c->base->lcla_pool.alloc_map[p + i] = d40d;
+                int idx = d40c->phy_chan->num * D40_LCLA_LINK_PER_EVENT_GRP + i;
+
+                if (!d40c->base->lcla_pool.alloc_map[idx]) {
+                        d40c->base->lcla_pool.alloc_map[idx] = d40d;
                         d40d->lcla_alloc++;
                         ret = i;
                         break;
@@ -676,10 +675,10 @@ static int d40_lcla_free_all(struct d40_chan *d40c,
         spin_lock_irqsave(&d40c->base->lcla_pool.lock, flags);
 
         for (i = 1 ; i < D40_LCLA_LINK_PER_EVENT_GRP / 2; i++) {
-                if (d40c->base->lcla_pool.alloc_map[d40c->phy_chan->num *
-                                                    D40_LCLA_LINK_PER_EVENT_GRP + i] == d40d) {
-                        d40c->base->lcla_pool.alloc_map[d40c->phy_chan->num *
-                                                        D40_LCLA_LINK_PER_EVENT_GRP + i] = NULL;
+                int idx = d40c->phy_chan->num * D40_LCLA_LINK_PER_EVENT_GRP + i;
+
+                if (d40c->base->lcla_pool.alloc_map[idx] == d40d) {
+                        d40c->base->lcla_pool.alloc_map[idx] = NULL;
                         d40d->lcla_alloc--;
                         if (d40d->lcla_alloc == 0) {
                                 ret = 0;