write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/misc/atmel_tclib.c
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@@ -1,4 +1,4 @@
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-#include <linux/atmel_tc.h>
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+// SPDX-License-Identifier: GPL-2.0-only
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 #include <linux/clk.h>
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 #include <linux/err.h>
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 #include <linux/init.h>
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@@ -10,6 +10,7 @@
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 #include <linux/slab.h>
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 #include <linux/export.h>
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 #include <linux/of.h>
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+#include <soc/at91/atmel_tcb.h>
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 /*
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  * This is a thin library to solve the problem of how to portably allocate
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@@ -108,8 +109,10 @@
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 	struct atmel_tc *tc;
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 	struct clk	*clk;
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 	int		irq;
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-	struct resource	*r;
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 	unsigned int	i;
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+
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+	if (of_get_child_count(pdev->dev.of_node))
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+		return -EBUSY;
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 	irq = platform_get_irq(pdev, 0);
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 	if (irq < 0)
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@@ -129,8 +132,7 @@
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 	if (IS_ERR(tc->slow_clk))
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 		return PTR_ERR(tc->slow_clk);
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-	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	tc->regs = devm_ioremap_resource(&pdev->dev, r);
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+	tc->regs = devm_platform_ioremap_resource(pdev, 0);
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 	if (IS_ERR(tc->regs))
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 		return PTR_ERR(tc->regs);
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