[S390] convert cpu related printks to pr_xxx macros.
[linux-2.6.git] / arch / s390 / kernel / processor.c
1 /*
2  *  arch/s390/kernel/processor.c
3  *
4  *  Copyright IBM Corp. 2008
5  *  Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
6  */
7
8 #define KMSG_COMPONENT "cpu"
9 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
10
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/smp.h>
14 #include <linux/seq_file.h>
15 #include <linux/delay.h>
16
17 #include <asm/elf.h>
18 #include <asm/lowcore.h>
19 #include <asm/param.h>
20
21 void __cpuinit print_cpu_info(struct cpuinfo_S390 *cpuinfo)
22 {
23         pr_info("Processor %d started, address %d, identification %06X\n",
24                 cpuinfo->cpu_nr, cpuinfo->cpu_addr, cpuinfo->cpu_id.ident);
25 }
26
27 /*
28  * show_cpuinfo - Get information on one CPU for use by procfs.
29  */
30
31 static int show_cpuinfo(struct seq_file *m, void *v)
32 {
33         static const char *hwcap_str[8] = {
34                 "esan3", "zarch", "stfle", "msa", "ldisp", "eimm", "dfp",
35                 "edat"
36         };
37        struct cpuinfo_S390 *cpuinfo;
38        unsigned long n = (unsigned long) v - 1;
39        int i;
40
41        s390_adjust_jiffies();
42        preempt_disable();
43        if (!n) {
44                seq_printf(m, "vendor_id       : IBM/S390\n"
45                           "# processors    : %i\n"
46                           "bogomips per cpu: %lu.%02lu\n",
47                           num_online_cpus(), loops_per_jiffy/(500000/HZ),
48                           (loops_per_jiffy/(5000/HZ))%100);
49                seq_puts(m, "features\t: ");
50                for (i = 0; i < 8; i++)
51                        if (hwcap_str[i] && (elf_hwcap & (1UL << i)))
52                                seq_printf(m, "%s ", hwcap_str[i]);
53                seq_puts(m, "\n");
54        }
55
56        if (cpu_online(n)) {
57 #ifdef CONFIG_SMP
58                if (smp_processor_id() == n)
59                        cpuinfo = &S390_lowcore.cpu_data;
60                else
61                        cpuinfo = &lowcore_ptr[n]->cpu_data;
62 #else
63                cpuinfo = &S390_lowcore.cpu_data;
64 #endif
65                seq_printf(m, "processor %li: "
66                           "version = %02X,  "
67                           "identification = %06X,  "
68                           "machine = %04X\n",
69                           n, cpuinfo->cpu_id.version,
70                           cpuinfo->cpu_id.ident,
71                           cpuinfo->cpu_id.machine);
72        }
73        preempt_enable();
74        return 0;
75 }
76
77 static void *c_start(struct seq_file *m, loff_t *pos)
78 {
79         return *pos < NR_CPUS ? (void *)((unsigned long) *pos + 1) : NULL;
80 }
81
82 static void *c_next(struct seq_file *m, void *v, loff_t *pos)
83 {
84         ++*pos;
85         return c_start(m, pos);
86 }
87
88 static void c_stop(struct seq_file *m, void *v)
89 {
90 }
91
92 const struct seq_operations cpuinfo_op = {
93         .start  = c_start,
94         .next   = c_next,
95         .stop   = c_stop,
96         .show   = show_cpuinfo,
97 };
98