mmc: mxs-mmc: have dma_channel than dma_res in mxs_mmc_host

It replaces dma_res with dma_channel in struct mxs_mmc_host, so that
the device tree support will be a little easier, since dma channel
can not be retrieved from "struct resource *dma_res".

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Marek Vasut <marex@denx.de>
Acked-by: Chris Ball <cjb@laptop.org>

diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index d2729e117ae11257fcef91125463651f38331f82..202d0966b673c5b778bf867b75fa60bb2497a2b0 100644 (file)
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -146,7 +146,7 @@ struct mxs_mmc_host {
        struct mmc_data                 *data;
 
        void __iomem                    *base;
-       struct resource                 *dma_res;
+       int                             dma_channel;
        struct clk                      *clk;
        unsigned int                    clk_rate;
 
@@ -668,7 +668,7 @@ static bool mxs_mmc_dma_filter(struct dma_chan *chan, void *param)
        if (!mxs_dma_is_apbh(chan))
                return false;
 
-       if (chan->chan_id != host->dma_res->start)
+       if (chan->chan_id != host->dma_channel)
                return false;
 
        chan->private = &host->dma_data;
@@ -719,7 +719,7 @@ static int mxs_mmc_probe(struct platform_device *pdev)
 
        host->devid = pdev->id_entry->driver_data;
        host->mmc = mmc;
-       host->dma_res = dmares;
+       host->dma_channel = dmares->start;
        host->sdio_irq_en = 0;
 
        pinctrl = devm_pinctrl_get_select_default(&pdev->dev);