修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/tools/testing/selftests/powerpc/dscr/dscr_sysfs_thread_test.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * POWER Data Stream Control Register (DSCR) sysfs thread test
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  *
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@@ -7,10 +8,6 @@
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  * executing on individual CPUs on the system.
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  *
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  * Copyright 2015, Anshuman Khandual, IBM Corporation.
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License version 2 as published
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- * by the Free Software Foundation.
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  */
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 #define _GNU_SOURCE
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 #include "dscr.h"
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@@ -59,6 +56,8 @@
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 	unsigned long orig_dscr_default;
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 	int i, j;
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+	SKIP_IF(!have_hwcap2(PPC_FEATURE2_DSCR));
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+
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 	orig_dscr_default = get_default_dscr();
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 	for (i = 0; i < COUNT; i++) {
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 		for (j = 0; j < DSCR_MAX; j++) {