~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/powerpc/sysdev/of_rtc.c

Version: ~ [ linux-5.7-rc7 ] ~ [ linux-5.6.14 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.42 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.124 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.181 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.224 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.224 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.84 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  * Instantiate mmio-mapped RTC chips based on device tree information
  3  *
  4  * Copyright 2007 David Gibson <dwg@au1.ibm.com>, IBM Corporation.
  5  *
  6  * This program is free software; you can redistribute  it and/or modify it
  7  * under  the terms of  the GNU General  Public License as published by the
  8  * Free Software Foundation;  either version 2 of the  License, or (at your
  9  * option) any later version.
 10  */
 11 #include <linux/kernel.h>
 12 #include <linux/of.h>
 13 #include <linux/init.h>
 14 #include <linux/of_address.h>
 15 #include <linux/of_platform.h>
 16 #include <linux/slab.h>
 17 
 18 static __initdata struct {
 19         const char *compatible;
 20         char *plat_name;
 21 } of_rtc_table[] = {
 22         { "ds1743-nvram", "rtc-ds1742" },
 23 };
 24 
 25 void __init of_instantiate_rtc(void)
 26 {
 27         struct device_node *node;
 28         int err;
 29         int i;
 30 
 31         for (i = 0; i < ARRAY_SIZE(of_rtc_table); i++) {
 32                 char *plat_name = of_rtc_table[i].plat_name;
 33 
 34                 for_each_compatible_node(node, NULL,
 35                                          of_rtc_table[i].compatible) {
 36                         struct resource *res;
 37 
 38                         res = kmalloc(sizeof(*res), GFP_KERNEL);
 39                         if (!res) {
 40                                 printk(KERN_ERR "OF RTC: Out of memory "
 41                                        "allocating resource structure for %pOF\n",
 42                                        node);
 43                                 continue;
 44                         }
 45 
 46                         err = of_address_to_resource(node, 0, res);
 47                         if (err) {
 48                                 printk(KERN_ERR "OF RTC: Error "
 49                                        "translating resources for %pOF\n",
 50                                        node);
 51                                 continue;
 52                         }
 53 
 54                         printk(KERN_INFO "OF_RTC: %pOF is a %s @ 0x%llx-0x%llx\n",
 55                                node, plat_name,
 56                                (unsigned long long)res->start,
 57                                (unsigned long long)res->end);
 58                         platform_device_register_simple(plat_name, -1, res, 1);
 59                 }
 60         }
 61 }
 62 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp