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2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/arch/powerpc/kernel/udbg.c
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@@ -1,12 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * polling mode stateless debugging stuff, originally for NS16550 Serial Ports
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  *
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  * c 2001 PPC 64 Team, IBM Corp
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- *
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- *      This program is free software; you can redistribute it and/or
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- *      modify it under the terms of the GNU General Public License
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- *      as published by the Free Software Foundation; either version
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- *      2 of the License, or (at your option) any later version.
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  */
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 #include <stdarg.h>
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@@ -74,7 +70,7 @@
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 #endif
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 #ifdef CONFIG_PPC_EARLY_DEBUG
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-	console_loglevel = 10;
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+	console_loglevel = CONSOLE_LOGLEVEL_DEBUG;
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 	register_early_udbg_console();
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 #endif
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@@ -124,13 +120,15 @@
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 #define UDBG_BUFSIZE 256
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 void udbg_printf(const char *fmt, ...)
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 {
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-	char buf[UDBG_BUFSIZE];
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-	va_list args;
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+	if (udbg_putc) {
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+		char buf[UDBG_BUFSIZE];
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+		va_list args;
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-	va_start(args, fmt);
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-	vsnprintf(buf, UDBG_BUFSIZE, fmt, args);
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-	udbg_puts(buf);
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-	va_end(args);
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+		va_start(args, fmt);
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+		vsnprintf(buf, UDBG_BUFSIZE, fmt, args);
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+		udbg_puts(buf);
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+		va_end(args);
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+	}
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 }
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 void __init udbg_progress(char *s, unsigned short hex)