mmc: tmio: tmio_mmc_host has .dma

Current .dma is implemented under tmio_mmc_data.
It goes to tmio_mmc_host by this patch.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

3 files changed, 24 insertions, 15 deletions

diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c
index cf062c4d87a9..288e78d2c7a1 100644
--- a/drivers/mmc/host/sh_mobile_sdhi.c
+++ b/drivers/mmc/host/sh_mobile_sdhi.c
@@ -213,6 +213,8 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev)
                 goto eprobe;
         }
 
+        host->dma               = dma_priv;
+
         mmc_data->clk_enable = sh_mobile_sdhi_clk_enable;
         mmc_data->clk_disable = sh_mobile_sdhi_clk_disable;
         mmc_data->capabilities = MMC_CAP_MMC_HIGHSPEED;
@@ -241,8 +243,6 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev)
         dma_priv->alignment_shift = 1; /* 2-byte alignment */
         dma_priv->filter = shdma_chan_filter;
 
-        mmc_data->dma = dma_priv;
-
         /*
          * All SDHI blocks support 2-byte and larger block sizes in 4-bit
          * bus width mode.
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index 60d6747f0df5..49a2559ff489 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -40,6 +40,16 @@
 
 struct tmio_mmc_data;
 
+struct tmio_mmc_dma {
+        void *chan_priv_tx;
+        void *chan_priv_rx;
+        int slave_id_tx;
+        int slave_id_rx;
+        int alignment_shift;
+        dma_addr_t dma_rx_offset;
+        bool (*filter)(struct dma_chan *chan, void *arg);
+};
+
 struct tmio_mmc_host {
         void __iomem *ctl;
         struct mmc_command      *cmd;
@@ -59,6 +69,7 @@ struct tmio_mmc_host {
 
         struct platform_device *pdev;
         struct tmio_mmc_data *pdata;
+        struct tmio_mmc_dma     *dma;
 
         /* DMA support */
         bool                    force_pio;
diff --git a/drivers/mmc/host/tmio_mmc_dma.c b/drivers/mmc/host/tmio_mmc_dma.c
index 7d077388b9eb..6c214d60bbb6 100644
--- a/drivers/mmc/host/tmio_mmc_dma.c
+++ b/drivers/mmc/host/tmio_mmc_dma.c
@@ -49,11 +49,10 @@ static void tmio_mmc_start_dma_rx(struct tmio_mmc_host *host)
         struct scatterlist *sg = host->sg_ptr, *sg_tmp;
         struct dma_async_tx_descriptor *desc = NULL;
         struct dma_chan *chan = host->chan_rx;
-        struct tmio_mmc_data *pdata = host->pdata;
         dma_cookie_t cookie;
         int ret, i;
         bool aligned = true, multiple = true;
-        unsigned int align = (1 << pdata->dma->alignment_shift) - 1;
+        unsigned int align = (1 << host->dma->alignment_shift) - 1;
 
         for_each_sg(sg, sg_tmp, host->sg_len, i) {
                 if (sg_tmp->offset & align)
@@ -126,11 +125,10 @@ static void tmio_mmc_start_dma_tx(struct tmio_mmc_host *host)
         struct scatterlist *sg = host->sg_ptr, *sg_tmp;
         struct dma_async_tx_descriptor *desc = NULL;
         struct dma_chan *chan = host->chan_tx;
-        struct tmio_mmc_data *pdata = host->pdata;
         dma_cookie_t cookie;
         int ret, i;
         bool aligned = true, multiple = true;
-        unsigned int align = (1 << pdata->dma->alignment_shift) - 1;
+        unsigned int align = (1 << host->dma->alignment_shift) - 1;
 
         for_each_sg(sg, sg_tmp, host->sg_len, i) {
                 if (sg_tmp->offset & align)
@@ -262,8 +260,8 @@ out:
 void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdata)
 {
         /* We can only either use DMA for both Tx and Rx or not use it at all */
-        if (!pdata->dma || (!host->pdev->dev.of_node &&
-                (!pdata->dma->chan_priv_tx || !pdata->dma->chan_priv_rx)))
+        if (!host->dma || (!host->pdev->dev.of_node &&
+                (!host->dma->chan_priv_tx || !host->dma->chan_priv_rx)))
                 return;
 
         if (!host->chan_tx && !host->chan_rx) {
@@ -280,7 +278,7 @@ void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdat
                 dma_cap_set(DMA_SLAVE, mask);
 
                 host->chan_tx = dma_request_slave_channel_compat(mask,
-                                        pdata->dma->filter, pdata->dma->chan_priv_tx,
+                                        host->dma->filter, host->dma->chan_priv_tx,
                                         &host->pdev->dev, "tx");
                 dev_dbg(&host->pdev->dev, "%s: TX: got channel %p\n", __func__,
                         host->chan_tx);
@@ -288,8 +286,8 @@ void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdat
                 if (!host->chan_tx)
                         return;
 
-                if (pdata->dma->chan_priv_tx)
-                        cfg.slave_id = pdata->dma->slave_id_tx;
+                if (host->dma->chan_priv_tx)
+                        cfg.slave_id = host->dma->slave_id_tx;
                 cfg.direction = DMA_MEM_TO_DEV;
                 cfg.dst_addr = res->start + (CTL_SD_DATA_PORT << host->pdata->bus_shift);
                 cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
@@ -299,7 +297,7 @@ void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdat
                         goto ecfgtx;
 
                 host->chan_rx = dma_request_slave_channel_compat(mask,
-                                        pdata->dma->filter, pdata->dma->chan_priv_rx,
+                                        host->dma->filter, host->dma->chan_priv_rx,
                                         &host->pdev->dev, "rx");
                 dev_dbg(&host->pdev->dev, "%s: RX: got channel %p\n", __func__,
                         host->chan_rx);
@@ -307,10 +305,10 @@ void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdat
                 if (!host->chan_rx)
                         goto ereqrx;
 
-                if (pdata->dma->chan_priv_rx)
-                        cfg.slave_id = pdata->dma->slave_id_rx;
+                if (host->dma->chan_priv_rx)
+                        cfg.slave_id = host->dma->slave_id_rx;
                 cfg.direction = DMA_DEV_TO_MEM;
-                cfg.src_addr = cfg.dst_addr + pdata->dma->dma_rx_offset;
+                cfg.src_addr = cfg.dst_addr + host->dma->dma_rx_offset;
                 cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
                 cfg.dst_addr = 0;
                 ret = dmaengine_slave_config(host->chan_rx, &cfg);