cregit-Linux how code gets into the kernel

Release 4.14 arch/powerpc/platforms/44x/fsp2.c

/*
 * FSP-2 board specific routines
 *
 * Based on earlier code:
 *    Matt Porter <mporter@kernel.crashing.org>
 *    Copyright 2002-2005 MontaVista Software Inc.
 *
 *    Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
 *    Copyright (c) 2003-2005 Zultys Technologies
 *
 *    Rewritten and ported to the merged powerpc tree:
 *    Copyright 2007 David Gibson <dwg@au1.ibm.com>, IBM Corporation.
 *
 * This program is free software; you can redistribute  it and/or modify it
 * under  the terms of  the GNU General  Public License as published by the
 * Free Software Foundation;  either version 2 of the  License, or (at your
 * option) any later version.
 */

#include <linux/init.h>
#include <linux/of_platform.h>
#include <linux/rtc.h>

#include <asm/machdep.h>
#include <asm/prom.h>
#include <asm/udbg.h>
#include <asm/time.h>
#include <asm/uic.h>
#include <asm/ppc4xx.h>


static __initdata struct of_device_id fsp2_of_bus[] = {
	{ .compatible = "ibm,plb4", },
	{ .compatible = "ibm,plb6", },
	{ .compatible = "ibm,opb", },
	{},
};


static int __init fsp2_device_probe(void) { of_platform_bus_probe(NULL, fsp2_of_bus, NULL); return 0; }

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Ivan Mikhaylov21100.00%1100.00%
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machine_device_initcall(fsp2, fsp2_device_probe);
static int __init fsp2_probe(void) { unsigned long root = of_get_flat_dt_root(); if (!of_flat_dt_is_compatible(root, "ibm,fsp2")) return 0; return 1; }

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Ivan Mikhaylov32100.00%1100.00%
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define_machine(fsp2) { .name = "FSP-2", .probe = fsp2_probe, .progress = udbg_progress, .init_IRQ = uic_init_tree, .get_irq = uic_get_irq, .restart = ppc4xx_reset_system, .calibrate_decr = generic_calibrate_decr, };

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Ivan Mikhaylov162100.00%1100.00%
Total162100.00%1100.00%
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