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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-07-07 11:35:33 (GMT) |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-07-07 11:35:33 (GMT) |
| commit | 06be5eefe1192eb8ce8d07497f67595b6bfe9741 (patch) | |
| tree | 80f1987d4970f8079681f8be0c135cafc8d6329a /arch/arm/kernel/setup.c | |
| parent | 11b8b25ce4f8acfd3b438683c0c9ade27756c6e8 (diff) | |
| parent | 1bd46782d08b01b73df0085b51ea1021b19b44fd (diff) | |
| download | linux-06be5eefe1192eb8ce8d07497f67595b6bfe9741.tar.xz | |
Merge branches 'fixes' and 'ioremap' into for-linus
Diffstat (limited to 'arch/arm/kernel/setup.c')
| -rw-r--r-- | arch/arm/kernel/setup.c | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 6c777e9..e6d8c76 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -75,8 +75,7 @@ __setup("fpe=", fpe_setup); extern void init_default_cache_policy(unsigned long); extern void paging_init(const struct machine_desc *desc); -extern void early_paging_init(const struct machine_desc *, - struct proc_info_list *); +extern void early_paging_init(const struct machine_desc *); extern void sanity_check_meminfo(void); extern enum reboot_mode reboot_mode; extern void setup_dma_zone(const struct machine_desc *desc); @@ -93,6 +92,9 @@ unsigned int __atags_pointer __initdata; unsigned int system_rev; EXPORT_SYMBOL(system_rev); +const char *system_serial; +EXPORT_SYMBOL(system_serial); + unsigned int system_serial_low; EXPORT_SYMBOL(system_serial_low); @@ -839,8 +841,25 @@ arch_initcall(customize_machine); static int __init init_machine_late(void) { + struct device_node *root; + int ret; + if (machine_desc->init_late) machine_desc->init_late(); + + root = of_find_node_by_path("/"); + if (root) { + ret = of_property_read_string(root, "serial-number", + &system_serial); + if (ret) + system_serial = NULL; + } + + if (!system_serial) + system_serial = kasprintf(GFP_KERNEL, "%08x%08x", + system_serial_high, + system_serial_low); + return 0; } late_initcall(init_machine_late); @@ -936,7 +955,9 @@ void __init setup_arch(char **cmdline_p) parse_early_param(); - early_paging_init(mdesc, lookup_processor_type(read_cpuid_id())); +#ifdef CONFIG_MMU + early_paging_init(mdesc); +#endif setup_dma_zone(mdesc); sanity_check_meminfo(); arm_memblock_init(mdesc); @@ -1109,8 +1130,7 @@ static int c_show(struct seq_file *m, void *v) seq_printf(m, "Hardware\t: %s\n", machine_name); seq_printf(m, "Revision\t: %04x\n", system_rev); - seq_printf(m, "Serial\t\t: %08x%08x\n", - system_serial_high, system_serial_low); + seq_printf(m, "Serial\t\t: %s\n", system_serial); return 0; } |