DMAENGINE: Set burst size for phy and log chans in ste_dma40 dev_control

Set burst for physical or logical channels respectively.
Convert the values in dma_cfg to dma reg bits
for physical or logical channels.

Signed-off-by: Per Forlin <per.forlin@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 c07d989..ad8d6df 100644 (file)
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -2246,14 +2246,25 @@ static void d40_set_runtime_config(struct dma_chan *chan,
                return;
        }
 
-       if (config_maxburst >= 16)
-               psize = STEDMA40_PSIZE_LOG_16;
-       else if (config_maxburst >= 8)
-               psize = STEDMA40_PSIZE_LOG_8;
-       else if (config_maxburst >= 4)
-               psize = STEDMA40_PSIZE_LOG_4;
-       else
-               psize = STEDMA40_PSIZE_LOG_1;
+       if (d40c->log_num != D40_PHY_CHAN) {
+               if (config_maxburst >= 16)
+                       psize = STEDMA40_PSIZE_LOG_16;
+               else if (config_maxburst >= 8)
+                       psize = STEDMA40_PSIZE_LOG_8;
+               else if (config_maxburst >= 4)
+                       psize = STEDMA40_PSIZE_LOG_4;
+               else
+                       psize = STEDMA40_PSIZE_LOG_1;
+       } else {
+               if (config_maxburst >= 16)
+                       psize = STEDMA40_PSIZE_PHY_16;
+               else if (config_maxburst >= 8)
+                       psize = STEDMA40_PSIZE_PHY_8;
+               else if (config_maxburst >= 4)
+                       psize = STEDMA40_PSIZE_PHY_4;
+               else
+                       psize = STEDMA40_PSIZE_PHY_1;
+       }
 
        /* Set up all the endpoint configs */
        cfg->src_info.data_width = addr_width;
@@ -2265,6 +2276,13 @@ static void d40_set_runtime_config(struct dma_chan *chan,
        cfg->dst_info.endianess = STEDMA40_LITTLE_ENDIAN;
        cfg->dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL;
 
+       /* Fill in register values */
+       if (d40c->log_num != D40_PHY_CHAN)
+               d40_log_cfg(cfg, &d40c->log_def.lcsp1, &d40c->log_def.lcsp3);
+       else
+               d40_phy_cfg(cfg, &d40c->src_def_cfg,
+                           &d40c->dst_def_cfg, false);
+
        /* These settings will take precedence later */
        d40c->runtime_addr = config_addr;
        d40c->runtime_direction = config->direction;