write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/watchdog/m54xx_wdt.c
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@@ -29,6 +29,7 @@
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 #include <linux/bitops.h>
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 #include <linux/ioport.h>
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 #include <linux/uaccess.h>
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+#include <linux/io.h>
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 #include <asm/coldfire.h>
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 #include <asm/m54xxsim.h>
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@@ -85,7 +86,7 @@
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 	clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
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 	wdt_enable();
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-	return nonseekable_open(inode, file);
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+	return stream_open(inode, file);
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 }
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 static ssize_t m54xx_wdt_write(struct file *file, const char *data,
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@@ -154,7 +155,7 @@
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 		heartbeat = time;
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 		wdt_enable();
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-		/* Fall through */
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+		fallthrough;
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 	case WDIOC_GETTIMEOUT:
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 		ret = put_user(heartbeat, (int *)arg);
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@@ -183,6 +184,7 @@
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 	.llseek		= no_llseek,
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 	.write		= m54xx_wdt_write,
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 	.unlocked_ioctl	= m54xx_wdt_ioctl,
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+	.compat_ioctl	= compat_ptr_ioctl,
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 	.open		= m54xx_wdt_open,
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 	.release	= m54xx_wdt_release,
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 };