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2024-05-11 297b60346df8beafee954a0fd7c2d64f33f3b9bc

 kernel/drivers/net/wireless/rockchip_wlan/cywdhd/bcmdhd/include/packed_section_start.h
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@@ -1,4 +1,3 @@
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-/* SPDX-License-Identifier: GPL-2.0 */
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 /*
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  * Declare directives for structure packing. No padding will be provided
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  * between the members of packed structures, and therefore, there is no
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@@ -16,14 +15,16 @@
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  * #include <packed_section_end.h>
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  *
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  *
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- * Copyright (C) 1999-2019, Broadcom Corporation
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- * 
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+ * Portions of this code are copyright (c) 2022 Cypress Semiconductor Corporation
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+ *
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+ * Copyright (C) 1999-2017, Broadcom Corporation
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+ *
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  *      Unless you and Broadcom execute a separate written software license
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  * agreement governing use of this software, this software is licensed to you
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  * under the terms of the GNU General Public License version 2 (the "GPL"),
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  * available at http://www.broadcom.com/licenses/GPLv2.php, with the
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  * following added to such license:
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- * 
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+ *
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  *      As a special exception, the copyright holders of this software give you
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  * permission to link this software with independent modules, and to copy and
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  * distribute the resulting executable under terms of your choice, provided that
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@@ -31,7 +32,7 @@
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  * the license of that module.  An independent module is a module which is not
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  * derived from this software.  The special exception does not apply to any
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  * modifications of the software.
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- * 
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+ *
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  *      Notwithstanding the above, under no circumstances may you combine this
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  * software in any way with any other Broadcom software provided under a license
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  * other than the GPL, without Broadcom's express prior written consent.
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@@ -39,9 +40,44 @@
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  *
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  * <<Broadcom-WL-IPTag/Open:>>
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  *
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- * $Id: packed_section_start.h 514727 2014-11-12 03:02:48Z $
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+ * $Id: packed_section_start.h 666738 2016-10-24 12:16:37Z $
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  */
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+#ifndef _alignment_test_
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+#define _alignment_test_
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+
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+/* ASSERT default packing */
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+typedef struct T4 {
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+	uint8  a;
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+	uint32 b;
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+	uint16 c;
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+	uint8  d;
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+} T4_t;
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+
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+/* 4 byte alignment support */
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+/*
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+* a . . .
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+* b b b b
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+* c c d .
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+*/
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+
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+/*
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+ * Below function is meant to verify that this file is compiled with the default alignment of 4.
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+ * Function will fail to compile if the condition is not met.
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+ */
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+#ifdef __GNUC__
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+#define VARIABLE_IS_NOT_USED __attribute__ ((unused))
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+#else
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+#define VARIABLE_IS_NOT_USED
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+#endif // endif
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+static void alignment_test(void);
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+static void
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+VARIABLE_IS_NOT_USED alignment_test(void)
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+{
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+	/* verify 4 byte alignment support */
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+	STATIC_ASSERT(sizeof(T4_t) == 12);
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+}
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+#endif /* _alignment_test_ */
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 /* Error check - BWL_PACKED_SECTION is defined in packed_section_start.h
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  * and undefined in packed_section_end.h. If it is already defined at this
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@@ -51,10 +87,12 @@
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 	#error "BWL_PACKED_SECTION is already defined!"
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 #else
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 	#define BWL_PACKED_SECTION
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-#endif
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+#endif // endif
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-
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-
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+#if defined(BWL_DEFAULT_PACKING)
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+	/* generate an error if BWL_DEFAULT_PACKING is defined */
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+	#error "BWL_DEFAULT_PACKING not supported any more."
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+#endif /* BWL_PACKED_SECTION */
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 /* Declare compiler-specific directives for structure packing. */
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 #if defined(__GNUC__) || defined(__lint)
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@@ -65,4 +103,4 @@
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 	#define	BWL_POST_PACKED_STRUCT
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 #else
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 	#error "Unknown compiler!"
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-#endif
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+#endif // endif