dmaengine/dw_dmac: Fix dw_dmac user drivers to adapt to slave_config changes

There are few existing user drivers of dw_dmac. They will break as soon as we
remove unused fields from struct dw_dma_slave. This patch focuses to fix these
user drivers to use dma_slave_config() routine.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>

2 files changed, 47 insertions, 12 deletions

diff --git a/sound/atmel/abdac.c b/sound/atmel/abdac.c
index 4fa1dbd8ee83..f7c2bb08055d 100644
--- a/sound/atmel/abdac.c
+++ b/sound/atmel/abdac.c
@@ -16,6 +16,7 @@
 #include <linux/interrupt.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/types.h>
 #include <linux/io.h>
 
 #include <sound/core.h>
@@ -467,15 +468,24 @@ static int __devinit atmel_abdac_probe(struct platform_device *pdev)
         snd_card_set_dev(card, &pdev->dev);
 
         if (pdata->dws.dma_dev) {
-                struct dw_dma_slave *dws = &pdata->dws;
                 dma_cap_mask_t mask;
 
-                dws->tx_reg = regs->start + DAC_DATA;
-
                 dma_cap_zero(mask);
                 dma_cap_set(DMA_SLAVE, mask);
 
-                dac->dma.chan = dma_request_channel(mask, filter, dws);
+                dac->dma.chan = dma_request_channel(mask, filter, &pdata->dws);
+                if (dac->dma.chan) {
+                        struct dma_slave_config dma_conf = {
+                                .dst_addr = regs->start + DAC_DATA,
+                                .dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
+                                .src_maxburst = 1,
+                                .dst_maxburst = 1,
+                                .direction = DMA_MEM_TO_DEV,
+                                .device_fc = false,
+                        };
+
+                        dmaengine_slave_config(dac->dma.chan, &dma_conf);
+                }
         }
         if (!pdata->dws.dma_dev || !dac->dma.chan) {
                 dev_dbg(&pdev->dev, "DMA not available\n");
diff --git a/sound/atmel/ac97c.c b/sound/atmel/ac97c.c
index 61dade698358..115313ef54d6 100644
--- a/sound/atmel/ac97c.c
+++ b/sound/atmel/ac97c.c
@@ -20,6 +20,7 @@
 #include <linux/platform_device.h>
 #include <linux/mutex.h>
 #include <linux/gpio.h>
+#include <linux/types.h>
 #include <linux/io.h>
 
 #include <sound/core.h>
@@ -1014,16 +1015,28 @@ static int __devinit atmel_ac97c_probe(struct platform_device *pdev)
 
         if (cpu_is_at32ap7000()) {
                 if (pdata->rx_dws.dma_dev) {
-                        struct dw_dma_slave *dws = &pdata->rx_dws;
                         dma_cap_mask_t mask;
 
-                        dws->rx_reg = regs->start + AC97C_CARHR + 2;
-
                         dma_cap_zero(mask);
                         dma_cap_set(DMA_SLAVE, mask);
 
                         chip->dma.rx_chan = dma_request_channel(mask, filter,
-                                                                dws);
+                                                                &pdata->rx_dws);
+                        if (chip->dma.rx_chan) {
+                                struct dma_slave_config dma_conf = {
+                                        .src_addr = regs->start + AC97C_CARHR +
+                                                2,
+                                        .src_addr_width =
+                                                DMA_SLAVE_BUSWIDTH_2_BYTES,
+                                        .src_maxburst = 1,
+                                        .dst_maxburst = 1,
+                                        .direction = DMA_DEV_TO_MEM,
+                                        .device_fc = false,
+                                };
+
+                                dmaengine_slave_config(chip->dma.rx_chan,
+                                                &dma_conf);
+                        }
 
                         dev_info(&chip->pdev->dev, "using %s for DMA RX\n",
                                 dev_name(&chip->dma.rx_chan->dev->device));
@@ -1031,16 +1044,28 @@ static int __devinit atmel_ac97c_probe(struct platform_device *pdev)
                 }
 
                 if (pdata->tx_dws.dma_dev) {
-                        struct dw_dma_slave *dws = &pdata->tx_dws;
                         dma_cap_mask_t mask;
 
-                        dws->tx_reg = regs->start + AC97C_CATHR + 2;
-
                         dma_cap_zero(mask);
                         dma_cap_set(DMA_SLAVE, mask);
 
                         chip->dma.tx_chan = dma_request_channel(mask, filter,
-                                                                dws);
+                                                                &pdata->tx_dws);
+                        if (chip->dma.tx_chan) {
+                                struct dma_slave_config dma_conf = {
+                                        .dst_addr = regs->start + AC97C_CATHR +
+                                                2,
+                                        .dst_addr_width =
+                                                DMA_SLAVE_BUSWIDTH_2_BYTES,
+                                        .src_maxburst = 1,
+                                        .dst_maxburst = 1,
+                                        .direction = DMA_MEM_TO_DEV,
+                                        .device_fc = false,
+                                };
+
+                                dmaengine_slave_config(chip->dma.tx_chan,
+                                                &dma_conf);
+                        }
 
                         dev_info(&chip->pdev->dev, "using %s for DMA TX\n",
                                 dev_name(&chip->dma.tx_chan->dev->device));