From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/drivers/mmc/host/sh_mmcif.c | 33 +++++++++++++++------------------
1 files changed, 15 insertions(+), 18 deletions(-)
diff --git a/kernel/drivers/mmc/host/sh_mmcif.c b/kernel/drivers/mmc/host/sh_mmcif.c
index 3e39d4b..5dec9e2 100644
--- a/kernel/drivers/mmc/host/sh_mmcif.c
+++ b/kernel/drivers/mmc/host/sh_mmcif.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* MMCIF eMMC driver.
*
* Copyright (C) 2010 Renesas Solutions Corp.
* Yusuke Goda <yusuke.goda.sx@renesas.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License.
*/
/*
@@ -194,9 +191,9 @@
STS2_AC12BSYTO | STS2_RSPBSYTO | \
STS2_AC12RSPTO | STS2_RSPTO)
-#define CLKDEV_EMMC_DATA 52000000 /* 52MHz */
-#define CLKDEV_MMC_DATA 20000000 /* 20MHz */
-#define CLKDEV_INIT 400000 /* 400 KHz */
+#define CLKDEV_EMMC_DATA 52000000 /* 52 MHz */
+#define CLKDEV_MMC_DATA 20000000 /* 20 MHz */
+#define CLKDEV_INIT 400000 /* 400 kHz */
enum sh_mmcif_state {
STATE_IDLE,
@@ -435,8 +432,12 @@
host->chan_rx = sh_mmcif_request_dma_pdata(host,
pdata->slave_id_rx);
} else {
- host->chan_tx = dma_request_slave_channel(dev, "tx");
- host->chan_rx = dma_request_slave_channel(dev, "rx");
+ host->chan_tx = dma_request_chan(dev, "tx");
+ if (IS_ERR(host->chan_tx))
+ host->chan_tx = NULL;
+ host->chan_rx = dma_request_chan(dev, "rx");
+ if (IS_ERR(host->chan_rx))
+ host->chan_rx = NULL;
}
dev_dbg(dev, "%s: got channel TX %p RX %p\n", __func__, host->chan_tx,
host->chan_rx);
@@ -1391,19 +1392,15 @@
struct sh_mmcif_host *host;
struct device *dev = &pdev->dev;
struct sh_mmcif_plat_data *pd = dev->platform_data;
- struct resource *res;
void __iomem *reg;
const char *name;
irq[0] = platform_get_irq(pdev, 0);
- irq[1] = platform_get_irq(pdev, 1);
- if (irq[0] < 0) {
- dev_err(dev, "Get irq error\n");
- return -ENXIO;
- }
+ irq[1] = platform_get_irq_optional(pdev, 1);
+ if (irq[0] < 0)
+ return irq[0];
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- reg = devm_ioremap_resource(dev, res);
+ reg = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(reg))
return PTR_ERR(reg);
@@ -1574,6 +1571,6 @@
module_platform_driver(sh_mmcif_driver);
MODULE_DESCRIPTION("SuperH on-chip MMC/eMMC interface driver");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:" DRIVER_NAME);
MODULE_AUTHOR("Yusuke Goda <yusuke.goda.sx@renesas.com>");
--
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