cregit-Linux how code gets into the kernel

Release 4.8 arch/x86/platform/intel-mid/device_libs/platform_wdt.c

/*
 * platform_wdt.c: Watchdog platform library file
 *
 * (C) Copyright 2014 Intel Corporation
 * Author: David Cohen <david.a.cohen@linux.intel.com>
 *
 * 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; version 2
 * of the License.
 */

#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/platform_data/intel-mid_wdt.h>
#include <asm/intel-mid.h>
#include <asm/io_apic.h>


#define TANGIER_EXT_TIMER0_MSI 15


static struct platform_device wdt_dev = {
	.name = "intel_mid_wdt",
	.id = -1,
};


static int tangier_probe(struct platform_device *pdev) { int gsi; struct irq_alloc_info info; struct intel_mid_wdt_pdata *pdata = pdev->dev.platform_data; if (!pdata) return -EINVAL; /* IOAPIC builds identity mapping between GSI and IRQ on MID */ gsi = pdata->irq; ioapic_set_alloc_attr(&info, cpu_to_node(0), 1, 0); if (mp_map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC, &info) <= 0) { dev_warn(&pdev->dev, "cannot find interrupt %d in ioapic\n", gsi); return -EINVAL; } return 0; }

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PersonTokensPropCommitsCommitProp
david cohendavid cohen6164.21%133.33%
jiang liujiang liu3435.79%266.67%
Total95100.00%3100.00%

static struct intel_mid_wdt_pdata tangier_pdata = { .irq = TANGIER_EXT_TIMER0_MSI, .probe = tangier_probe, };
static int __init register_mid_wdt(void) { if (intel_mid_identify_cpu() == INTEL_MID_CPU_CHIP_TANGIER) { wdt_dev.dev.platform_data = &tangier_pdata; return platform_device_register(&wdt_dev); } return -ENODEV; }

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david cohendavid cohen38100.00%1100.00%
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rootfs_initcall(register_mid_wdt);

Overall Contributors

PersonTokensPropCommitsCommitProp
david cohendavid cohen16282.65%133.33%
jiang liujiang liu3417.35%266.67%
Total196100.00%3100.00%
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