modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/mmc/host/sdhci-s3c.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /* linux/drivers/mmc/host/sdhci-s3c.c
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  *
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  * Copyright 2008 Openmoko Inc.
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@@ -6,10 +7,6 @@
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  *      http://armlinux.simtec.co.uk/
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  *
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  * SDHCI (HSMMC) support for Samsung SoC
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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 version 2 as
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- * published by the Free Software Foundation.
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  */
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11
 
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 #include <linux/spinlock.h>
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@@ -110,8 +107,11 @@
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  * @ioarea: The resource created when we claimed the IO area.
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  * @pdata: The platform data for this controller.
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  * @cur_clk: The index of the current bus clock.
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+ * @ext_cd_irq: External card detect interrupt.
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  * @clk_io: The clock for the internal bus interface.
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+ * @clk_rates: Clock frequencies.
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  * @clk_bus: The clocks that are available for the SD/MMC bus clock.
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+ * @no_divider: No or non-standard internal clock divider.
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  */
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 struct sdhci_s3c {
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 	struct sdhci_host	*host;
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@@ -120,7 +120,6 @@
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 	struct s3c_sdhci_platdata *pdata;
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 	int			cur_clk;
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 	int			ext_cd_irq;
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-	int			ext_cd_gpio;
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123
 
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 	struct clk		*clk_io;
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 	struct clk		*clk_bus[MAX_BUS_CLK];
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@@ -132,6 +131,7 @@
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 /**
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  * struct sdhci_s3c_driver_data - S3C SDHCI platform specific driver data
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  * @sdhci_quirks: sdhci host specific quirks.
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+ * @no_divider: no or non-standard internal clock divider.
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  *
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  * Specifies platform specific configuration of sdhci controller.
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  * Note: A structure for driver specific platform data is used for future
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@@ -461,7 +461,9 @@
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 }
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 #endif
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+#ifdef CONFIG_OF
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 static const struct of_device_id sdhci_s3c_dt_match[];
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+#endif
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467
 
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 static inline struct sdhci_s3c_drv_data *sdhci_s3c_get_driver_data(
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 			struct platform_device *pdev)
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@@ -484,7 +486,6 @@
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 	struct device *dev = &pdev->dev;
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 	struct sdhci_host *host;
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 	struct sdhci_s3c *sc;
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-	struct resource *res;
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 	int ret, irq, ptr, clks;
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 	if (!pdev->dev.platform_data && !pdev->dev.of_node) {
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@@ -493,10 +494,8 @@
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 	}
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 	irq = platform_get_irq(pdev, 0);
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-	if (irq < 0) {
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-		dev_err(dev, "no irq specified\n");
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+	if (irq < 0)
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 		return irq;
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-	}
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 	host = sdhci_alloc_host(dev, sizeof(struct sdhci_s3c));
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 	if (IS_ERR(host)) {
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@@ -517,7 +516,6 @@
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 			goto err_pdata_io_clk;
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 	} else {
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 		memcpy(pdata, pdev->dev.platform_data, sizeof(*pdata));
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-		sc->ext_cd_gpio = -1; /* invalid gpio number */
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 	}
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 	drv_data = sdhci_s3c_get_driver_data(pdev);
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@@ -560,8 +558,7 @@
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 		goto err_no_busclks;
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 	}
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-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	host->ioaddr = devm_ioremap_resource(&pdev->dev, res);
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+	host->ioaddr = devm_platform_ioremap_resource(pdev, 0);
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 	if (IS_ERR(host->ioaddr)) {
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 		ret = PTR_ERR(host->ioaddr);
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 		goto err_req_regs;
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@@ -614,6 +611,7 @@
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 	switch (pdata->max_width) {
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 	case 8:
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 		host->mmc->caps |= MMC_CAP_8_BIT_DATA;
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+		fallthrough;
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 	case 4:
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 		host->mmc->caps |= MMC_CAP_4_BIT_DATA;
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 		break;
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@@ -748,7 +746,7 @@
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 	clk_prepare_enable(busclk);
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 	if (ourhost->cur_clk >= 0)
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 		clk_prepare_enable(ourhost->clk_bus[ourhost->cur_clk]);
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-	ret = sdhci_runtime_resume_host(host);
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+	ret = sdhci_runtime_resume_host(host, 0);
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 	return ret;
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 }
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 #endif
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@@ -788,6 +786,7 @@
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 	.id_table	= sdhci_s3c_driver_ids,
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 	.driver		= {
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 		.name	= "s3c-sdhci",
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+		.probe_type = PROBE_PREFER_ASYNCHRONOUS,
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 		.of_match_table = of_match_ptr(sdhci_s3c_dt_match),
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 		.pm	= &sdhci_s3c_pmops,
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 	},