modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/mmc/host/mxs-mmc.c
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..
@@ -1,23 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Portions copyright (C) 2003 Russell King, PXA MMCI Driver
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  * Portions copyright (C) 2004-2005 Pierre Ossman, W83L51xD SD/MMC driver
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  *
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  * Copyright 2008 Embedded Alley Solutions, Inc.
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  * Copyright 2009-2011 Freescale Semiconductor, Inc.
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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, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License along
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- * with this program; if not, write to the Free Software Foundation, Inc.,
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- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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  */
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9
 
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 #include <linux/kernel.h>
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@@ -25,12 +12,12 @@
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 #include <linux/ioport.h>
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 #include <linux/of.h>
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 #include <linux/of_device.h>
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-#include <linux/of_gpio.h>
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 #include <linux/platform_device.h>
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 #include <linux/delay.h>
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 #include <linux/interrupt.h>
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 #include <linux/dma-mapping.h>
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 #include <linux/dmaengine.h>
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+#include <linux/dma/mxs-dma.h>
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 #include <linux/highmem.h>
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 #include <linux/clk.h>
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 #include <linux/err.h>
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@@ -39,7 +26,6 @@
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 #include <linux/mmc/mmc.h>
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 #include <linux/mmc/sdio.h>
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 #include <linux/mmc/slot-gpio.h>
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-#include <linux/gpio.h>
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 #include <linux/regulator/consumer.h>
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 #include <linux/module.h>
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 #include <linux/stmp_device.h>
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@@ -281,7 +267,7 @@
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 	ssp->ssp_pio_words[2] = cmd1;
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 	ssp->dma_dir = DMA_NONE;
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 	ssp->slave_dirn = DMA_TRANS_NONE;
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-	desc = mxs_mmc_prep_dma(host, DMA_CTRL_ACK);
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+	desc = mxs_mmc_prep_dma(host, MXS_DMA_CTRL_WAIT4END);
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 	if (!desc)
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 		goto out;
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@@ -326,7 +312,7 @@
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 	ssp->ssp_pio_words[2] = cmd1;
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 	ssp->dma_dir = DMA_NONE;
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 	ssp->slave_dirn = DMA_TRANS_NONE;
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-	desc = mxs_mmc_prep_dma(host, DMA_CTRL_ACK);
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+	desc = mxs_mmc_prep_dma(host, MXS_DMA_CTRL_WAIT4END);
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 	if (!desc)
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 		goto out;
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@@ -456,7 +442,7 @@
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 	host->data = data;
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 	ssp->dma_dir = dma_data_dir;
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 	ssp->slave_dirn = slave_dirn;
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-	desc = mxs_mmc_prep_dma(host, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
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+	desc = mxs_mmc_prep_dma(host, DMA_PREP_INTERRUPT | MXS_DMA_CTRL_WAIT4END);
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 	if (!desc)
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 		goto out;
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@@ -591,7 +577,6 @@
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 	struct device_node *np = pdev->dev.of_node;
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 	struct mxs_mmc_host *host;
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 	struct mmc_host *mmc;
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-	struct resource *iores;
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 	int ret = 0, irq_err;
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 	struct regulator *reg_vmmc;
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 	struct mxs_ssp *ssp;
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@@ -607,8 +592,7 @@
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 	host = mmc_priv(mmc);
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 	ssp = &host->ssp;
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 	ssp->dev = &pdev->dev;
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-	iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	ssp->base = devm_ioremap_resource(&pdev->dev, iores);
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+	ssp->base = devm_platform_ioremap_resource(pdev, 0);
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 	if (IS_ERR(ssp->base)) {
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 		ret = PTR_ERR(ssp->base);
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 		goto out_mmc_free;
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@@ -649,11 +633,11 @@
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 		goto out_clk_disable;
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 	}
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-	ssp->dmach = dma_request_slave_channel(&pdev->dev, "rx-tx");
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-	if (!ssp->dmach) {
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+	ssp->dmach = dma_request_chan(&pdev->dev, "rx-tx");
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+	if (IS_ERR(ssp->dmach)) {
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 		dev_err(mmc_dev(host->mmc),
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 			"%s: failed to request dma\n", __func__);
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-		ret = -ENODEV;
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+		ret = PTR_ERR(ssp->dmach);
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 		goto out_clk_disable;
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 	}
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@@ -752,6 +736,7 @@
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 	.id_table	= mxs_ssp_ids,
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 	.driver		= {
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 		.name	= DRIVER_NAME,
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+		.probe_type = PROBE_PREFER_ASYNCHRONOUS,
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 		.pm	= &mxs_mmc_pm_ops,
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 		.of_match_table = mxs_mmc_dt_ids,
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 	},