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>
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@ -146,7 +146,7 @@ struct mxs_mmc_host {
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struct mmc_data *data;
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void __iomem *base;
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struct resource *dma_res;
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int dma_channel;
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struct clk *clk;
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unsigned int clk_rate;
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@ -668,7 +668,7 @@ static bool mxs_mmc_dma_filter(struct dma_chan *chan, void *param)
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if (!mxs_dma_is_apbh(chan))
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return false;
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if (chan->chan_id != host->dma_res->start)
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if (chan->chan_id != host->dma_channel)
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return false;
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chan->private = &host->dma_data;
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@ -719,7 +719,7 @@ static int mxs_mmc_probe(struct platform_device *pdev)
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host->devid = pdev->id_entry->driver_data;
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host->mmc = mmc;
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host->dma_res = dmares;
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host->dma_channel = dmares->start;
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host->sdio_irq_en = 0;
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pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
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