Manual merge with Linus.
Conflicts: arch/powerpc/kernel/setup-common.c drivers/input/keyboard/hil_kbd.c drivers/input/mouse/hil_ptr.c
This commit is contained in:
Dmitry Torokhov
@ -9,6 +9,9 @@
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#undef DEBUG
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#include <linux/config.h>
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#include <linux/module.h>
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#include <linux/string.h>
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@ -42,6 +45,7 @@
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#include <asm/time.h>
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#include <asm/cputable.h>
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#include <asm/sections.h>
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#include <asm/firmware.h>
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#include <asm/btext.h>
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#include <asm/nvram.h>
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#include <asm/setup.h>
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@ -57,8 +61,6 @@
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#include "setup.h"
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#undef DEBUG
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#ifdef DEBUG
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#include <asm/udbg.h>
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#define DBG(fmt...) udbg_printf(fmt)
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@ -66,10 +68,12 @@
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#define DBG(fmt...)
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#endif
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#ifdef CONFIG_PPC_MULTIPLATFORM
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int _machine = 0;
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EXPORT_SYMBOL(_machine);
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#endif
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/* The main machine-dep calls structure
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*/
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struct machdep_calls ppc_md;
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EXPORT_SYMBOL(ppc_md);
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struct machdep_calls *machine_id;
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EXPORT_SYMBOL(machine_id);
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unsigned long klimit = (unsigned long) _end;
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@ -163,14 +167,14 @@ static int show_cpuinfo(struct seq_file *m, void *v)
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#if defined(CONFIG_SMP) && defined(CONFIG_PPC32)
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unsigned long bogosum = 0;
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int i;
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for (i = 0; i < NR_CPUS; ++i)
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if (cpu_online(i))
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bogosum += loops_per_jiffy;
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for_each_online_cpu(i)
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bogosum += loops_per_jiffy;
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seq_printf(m, "total bogomips\t: %lu.%02lu\n",
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bogosum/(500000/HZ), bogosum/(5000/HZ) % 100);
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#endif /* CONFIG_SMP && CONFIG_PPC32 */
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seq_printf(m, "timebase\t: %lu\n", ppc_tb_freq);
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if (ppc_md.name)
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seq_printf(m, "platform\t: %s\n", ppc_md.name);
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if (ppc_md.show_cpuinfo != NULL)
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ppc_md.show_cpuinfo(m);
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@ -354,12 +358,13 @@ void __init check_for_initrd(void)
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* must be called before using this.
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*
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* While we're here, we may as well set the "physical" cpu ids in the paca.
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*
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* NOTE: This must match the parsing done in early_init_dt_scan_cpus.
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*/
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void __init smp_setup_cpu_maps(void)
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{
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struct device_node *dn = NULL;
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int cpu = 0;
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int swap_cpuid = 0;
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while ((dn = of_find_node_by_type(dn, "cpu")) && cpu < NR_CPUS) {
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int *intserv;
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@ -378,30 +383,17 @@ void __init smp_setup_cpu_maps(void)
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for (j = 0; j < nthreads && cpu < NR_CPUS; j++) {
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cpu_set(cpu, cpu_present_map);
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set_hard_smp_processor_id(cpu, intserv[j]);
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if (intserv[j] == boot_cpuid_phys)
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swap_cpuid = cpu;
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cpu_set(cpu, cpu_possible_map);
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cpu++;
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}
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}
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/* Swap CPU id 0 with boot_cpuid_phys, so we can always assume that
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* boot cpu is logical 0.
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*/
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if (boot_cpuid_phys != get_hard_smp_processor_id(0)) {
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u32 tmp;
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tmp = get_hard_smp_processor_id(0);
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set_hard_smp_processor_id(0, boot_cpuid_phys);
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set_hard_smp_processor_id(swap_cpuid, tmp);
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}
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#ifdef CONFIG_PPC64
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/*
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* On pSeries LPAR, we need to know how many cpus
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* could possibly be added to this partition.
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*/
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if (_machine == PLATFORM_PSERIES_LPAR &&
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if (machine_is(pseries) && firmware_has_feature(FW_FEATURE_LPAR) &&
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(dn = of_find_node_by_path("/rtas"))) {
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int num_addr_cell, num_size_cell, maxcpus;
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unsigned int *ireg;
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@ -440,7 +432,7 @@ void __init smp_setup_cpu_maps(void)
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/*
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* Do the sibling map; assume only two threads per processor.
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*/
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for_each_cpu(cpu) {
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for_each_possible_cpu(cpu) {
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cpu_set(cpu, cpu_sibling_map[cpu]);
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if (cpu_has_feature(CPU_FTR_SMT))
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cpu_set(cpu ^ 0x1, cpu_sibling_map[cpu]);
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@ -493,3 +485,34 @@ static __init int add_pcspkr(void)
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return ret;
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}
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device_initcall(add_pcspkr);
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void probe_machine(void)
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{
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extern struct machdep_calls __machine_desc_start;
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extern struct machdep_calls __machine_desc_end;
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/*
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* Iterate all ppc_md structures until we find the proper
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* one for the current machine type
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*/
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DBG("Probing machine type ...\n");
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for (machine_id = &__machine_desc_start;
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machine_id < &__machine_desc_end;
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machine_id++) {
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DBG(" %s ...", machine_id->name);
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memcpy(&ppc_md, machine_id, sizeof(struct machdep_calls));
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if (ppc_md.probe()) {
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DBG(" match !\n");
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break;
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}
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DBG("\n");
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}
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/* What can we do if we didn't find ? */
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if (machine_id >= &__machine_desc_end) {
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DBG("No suitable machine found !\n");
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for (;;);
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}
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printk(KERN_INFO "Using %s machine description\n", ppc_md.name);
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}
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