change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/drivers/clk/sunxi/clk-sun9i-mmc.c
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@@ -1,23 +1,15 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Copyright 2015 Chen-Yu Tsai
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  *
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  * Chen-Yu Tsai	<wens@csie.org>
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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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 #include <linux/clk.h>
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 #include <linux/clk-provider.h>
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 #include <linux/delay.h>
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 #include <linux/init.h>
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+#include <linux/io.h>
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 #include <linux/of.h>
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 #include <linux/of_device.h>
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 #include <linux/reset.h>
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@@ -117,6 +109,8 @@
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 	spin_lock_init(&data->lock);
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 	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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+	if (!r)
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+		return -EINVAL;
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 	/* one clock/reset pair per word */
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 	count = DIV_ROUND_UP((resource_size(r)), SUN9I_MMC_WIDTH);
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 	data->membase = devm_ioremap_resource(&pdev->dev, r);