add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/drivers/mmc/host/sh_mmcif.c
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@@ -1,12 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0
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 /*
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  * MMCIF eMMC driver.
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  *
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  * Copyright (C) 2010 Renesas Solutions Corp.
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  * Yusuke Goda <yusuke.goda.sx@renesas.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License.
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  */
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8
 
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 /*
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@@ -194,9 +191,9 @@
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 				 STS2_AC12BSYTO | STS2_RSPBSYTO |	\
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 				 STS2_AC12RSPTO | STS2_RSPTO)
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-#define CLKDEV_EMMC_DATA	52000000 /* 52MHz */
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-#define CLKDEV_MMC_DATA		20000000 /* 20MHz */
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-#define CLKDEV_INIT		400000   /* 400 KHz */
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+#define CLKDEV_EMMC_DATA	52000000 /* 52 MHz */
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+#define CLKDEV_MMC_DATA		20000000 /* 20 MHz */
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+#define CLKDEV_INIT		400000   /* 400 kHz */
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 enum sh_mmcif_state {
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 	STATE_IDLE,
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@@ -435,8 +432,12 @@
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 		host->chan_rx = sh_mmcif_request_dma_pdata(host,
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 							pdata->slave_id_rx);
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 	} else {
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-		host->chan_tx = dma_request_slave_channel(dev, "tx");
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-		host->chan_rx = dma_request_slave_channel(dev, "rx");
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+		host->chan_tx = dma_request_chan(dev, "tx");
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+		if (IS_ERR(host->chan_tx))
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+			host->chan_tx = NULL;
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+		host->chan_rx = dma_request_chan(dev, "rx");
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+		if (IS_ERR(host->chan_rx))
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+			host->chan_rx = NULL;
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 	}
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 	dev_dbg(dev, "%s: got channel TX %p RX %p\n", __func__, host->chan_tx,
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 		host->chan_rx);
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@@ -1391,19 +1392,15 @@
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 	struct sh_mmcif_host *host;
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 	struct device *dev = &pdev->dev;
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 	struct sh_mmcif_plat_data *pd = dev->platform_data;
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-	struct resource *res;
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 	void __iomem *reg;
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 	const char *name;
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 	irq[0] = platform_get_irq(pdev, 0);
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-	irq[1] = platform_get_irq(pdev, 1);
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-	if (irq[0] < 0) {
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-		dev_err(dev, "Get irq error\n");
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+	irq[1] = platform_get_irq_optional(pdev, 1);
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+	if (irq[0] < 0)
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 		return -ENXIO;
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-	}
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-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	reg = devm_ioremap_resource(dev, res);
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+	reg = devm_platform_ioremap_resource(pdev, 0);
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 	if (IS_ERR(reg))
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 		return PTR_ERR(reg);
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@@ -1574,6 +1571,6 @@
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 module_platform_driver(sh_mmcif_driver);
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 MODULE_DESCRIPTION("SuperH on-chip MMC/eMMC interface driver");
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-MODULE_LICENSE("GPL");
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+MODULE_LICENSE("GPL v2");
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 MODULE_ALIAS("platform:" DRIVER_NAME);
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 MODULE_AUTHOR("Yusuke Goda <yusuke.goda.sx@renesas.com>");