cregit-Linux how code gets into the kernel

Release 4.7 arch/arm/mach-exynos/s5p-dev-mfc.c

/*
 * Copyright (C) 2010-2011 Samsung Electronics Co.Ltd
 *
 * Base S5P MFC resource and device definitions
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/memblock.h>
#include <linux/ioport.h>
#include <linux/of_fdt.h>
#include <linux/of.h>


static struct platform_device s5p_device_mfc_l;

static struct platform_device s5p_device_mfc_r;


struct s5p_mfc_dt_meminfo {
	
unsigned long	loff;
	
unsigned long	lsize;
	
unsigned long	roff;
	
unsigned long	rsize;
	
char		*compatible;
};


struct s5p_mfc_reserved_mem {
	
phys_addr_t	base;
	
unsigned long	size;
	
struct device	*dev;
};


static struct s5p_mfc_reserved_mem s5p_mfc_mem[2] __initdata;



static void __init s5p_mfc_reserve_mem(phys_addr_t rbase, unsigned int rsize, phys_addr_t lbase, unsigned int lsize) { int i; s5p_mfc_mem[0].dev = &s5p_device_mfc_r.dev; s5p_mfc_mem[0].base = rbase; s5p_mfc_mem[0].size = rsize; s5p_mfc_mem[1].dev = &s5p_device_mfc_l.dev; s5p_mfc_mem[1].base = lbase; s5p_mfc_mem[1].size = lsize; for (i = 0; i < ARRAY_SIZE(s5p_mfc_mem); i++) { struct s5p_mfc_reserved_mem *area = &s5p_mfc_mem[i]; if (memblock_remove(area->base, area->size)) { printk(KERN_ERR "Failed to reserve memory for MFC device (%ld bytes at 0x%08lx)\n", area->size, (unsigned long) area->base); area->base = 0; } } }

Contributors

PersonTokensPropCommitsCommitProp
kamil debskikamil debski15199.34%150.00%
tomasz figatomasz figa10.66%150.00%
Total152100.00%2100.00%


int __init s5p_fdt_alloc_mfc_mem(unsigned long node, const char *uname, int depth, void *data) { const __be32 *prop; int len; struct s5p_mfc_dt_meminfo mfc_mem; if (!data) return 0; if (!of_flat_dt_is_compatible(node, data)) return 0; prop = of_get_flat_dt_prop(node, "samsung,mfc-l", &len); if (!prop || (len != 2 * sizeof(unsigned long))) return 0; mfc_mem.loff = be32_to_cpu(prop[0]); mfc_mem.lsize = be32_to_cpu(prop[1]); prop = of_get_flat_dt_prop(node, "samsung,mfc-r", &len); if (!prop || (len != 2 * sizeof(unsigned long))) return 0; mfc_mem.roff = be32_to_cpu(prop[0]); mfc_mem.rsize = be32_to_cpu(prop[1]); s5p_mfc_reserve_mem(mfc_mem.roff, mfc_mem.rsize, mfc_mem.loff, mfc_mem.lsize); return 1; }

Contributors

PersonTokensPropCommitsCommitProp
arun kumar karun kumar k16285.71%133.33%
tushar beheratushar behera2513.23%133.33%
rob herringrob herring21.06%133.33%
Total189100.00%3100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
kamil debskikamil debski19445.75%114.29%
arun kumar karun kumar k16639.15%114.29%
tomasz figatomasz figa368.49%228.57%
tushar beheratushar behera255.90%114.29%
rob herringrob herring20.47%114.29%
kukjin kimkukjin kim10.24%114.29%
Total424100.00%7100.00%
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