There are various pieces of configuration which do not need to happen
until after a channel is allocated. Here we move some of these so they're
dealt with when it's time to configure the channel, rather than allocate
it.

Cc: Vinod Koul <vinod.k...@intel.com>
Cc: Dan Williams <d...@fb.com>
Cc: Per Forlin <per.for...@stericsson.com>
Signed-off-by: Lee Jones <lee.jo...@linaro.org>
---
 drivers/dma/ste_dma40.c |   24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 3543ea4..8a71bf6 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -2472,18 +2472,6 @@ static int d40_alloc_chan_resources(struct dma_chan 
*chan)
 
        pm_runtime_get_sync(d40c->base->dev);
 
-       d40_set_prio_realtime(d40c);
-
-       if (chan_is_logical(d40c)) {
-               if (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM)
-                       d40c->lcpa = d40c->base->lcpa_base +
-                               d40c->dma_cfg.src_dev_type * D40_LCPA_CHAN_SIZE;
-               else
-                       d40c->lcpa = d40c->base->lcpa_base +
-                               d40c->dma_cfg.dst_dev_type *
-                               D40_LCPA_CHAN_SIZE + D40_LCPA_CHAN_DST_DELTA;
-       }
-
        dev_dbg(chan2dev(d40c), "allocated %s channel (phy %d%s)\n",
                 chan_is_logical(d40c) ? "logical" : "physical",
                 d40c->phy_chan->num,
@@ -2830,6 +2818,18 @@ static int d40_set_runtime_config(struct dma_chan *chan,
                d40_phy_cfg(cfg, &d40c->src_def_cfg,
                            &d40c->dst_def_cfg, false);
 
+       d40_set_prio_realtime(d40c);
+
+       if (chan_is_logical(d40c)) {
+               if (cfg->dir == STEDMA40_PERIPH_TO_MEM)
+                       d40c->lcpa = d40c->base->lcpa_base +
+                               cfg->src_dev_type * D40_LCPA_CHAN_SIZE;
+               else
+                       d40c->lcpa = d40c->base->lcpa_base +
+                               cfg->dst_dev_type *
+                               D40_LCPA_CHAN_SIZE + D40_LCPA_CHAN_DST_DELTA;
+       }
+
        /* These settings will take precedence later */
        d40c->runtime_addr = config_addr;
        d40c->runtime_direction = config->direction;
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to