arm64: Move /proc/cpuinfo handling code

This patch moves the /proc/cpuinfo handling code:

arch/arm64/kernel/{setup.c to cpuinfo.c}

No functional changes

Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Tested-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

1 files changed, 0 insertions, 123 deletions

diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index baf0da8c7d8a..556301fbeeef 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -28,7 +28,6 @@
 #include <linux/console.h>
 #include <linux/cache.h>
 #include <linux/bootmem.h>
-#include <linux/seq_file.h>
 #include <linux/screen_info.h>
 #include <linux/init.h>
 #include <linux/kexec.h>
@@ -44,7 +43,6 @@
 #include <linux/of_fdt.h>
 #include <linux/of_platform.h>
 #include <linux/efi.h>
-#include <linux/personality.h>
 #include <linux/psci.h>
 
 #include <asm/acpi.h>
@@ -381,124 +379,3 @@ static int __init topology_init(void)
         return 0;
 }
 subsys_initcall(topology_init);
-
-static const char *hwcap_str[] = {
-        "fp",
-        "asimd",
-        "evtstrm",
-        "aes",
-        "pmull",
-        "sha1",
-        "sha2",
-        "crc32",
-        "atomics",
-        NULL
-};
-
-#ifdef CONFIG_COMPAT
-static const char *compat_hwcap_str[] = {
-        "swp",
-        "half",
-        "thumb",
-        "26bit",
-        "fastmult",
-        "fpa",
-        "vfp",
-        "edsp",
-        "java",
-        "iwmmxt",
-        "crunch",
-        "thumbee",
-        "neon",
-        "vfpv3",
-        "vfpv3d16",
-        "tls",
-        "vfpv4",
-        "idiva",
-        "idivt",
-        "vfpd32",
-        "lpae",
-        "evtstrm"
-};
-
-static const char *compat_hwcap2_str[] = {
-        "aes",
-        "pmull",
-        "sha1",
-        "sha2",
-        "crc32",
-        NULL
-};
-#endif /* CONFIG_COMPAT */
-
-static int c_show(struct seq_file *m, void *v)
-{
-        int i, j;
-
-        for_each_online_cpu(i) {
-                struct cpuinfo_arm64 *cpuinfo = &per_cpu(cpu_data, i);
-                u32 midr = cpuinfo->reg_midr;
-
-                /*
-                 * glibc reads /proc/cpuinfo to determine the number of
-                 * online processors, looking for lines beginning with
-                 * "processor".  Give glibc what it expects.
-                 */
-                seq_printf(m, "processor\t: %d\n", i);
-
-                /*
-                 * Dump out the common processor features in a single line.
-                 * Userspace should read the hwcaps with getauxval(AT_HWCAP)
-                 * rather than attempting to parse this, but there's a body of
-                 * software which does already (at least for 32-bit).
-                 */
-                seq_puts(m, "Features\t:");
-                if (personality(current->personality) == PER_LINUX32) {
-#ifdef CONFIG_COMPAT
-                        for (j = 0; compat_hwcap_str[j]; j++)
-                                if (compat_elf_hwcap & (1 << j))
-                                        seq_printf(m, " %s", compat_hwcap_str[j]);
-
-                        for (j = 0; compat_hwcap2_str[j]; j++)
-                                if (compat_elf_hwcap2 & (1 << j))
-                                        seq_printf(m, " %s", compat_hwcap2_str[j]);
-#endif /* CONFIG_COMPAT */
-                } else {
-                        for (j = 0; hwcap_str[j]; j++)
-                                if (elf_hwcap & (1 << j))
-                                        seq_printf(m, " %s", hwcap_str[j]);
-                }
-                seq_puts(m, "\n");
-
-                seq_printf(m, "CPU implementer\t: 0x%02x\n",
-                           MIDR_IMPLEMENTOR(midr));
-                seq_printf(m, "CPU architecture: 8\n");
-                seq_printf(m, "CPU variant\t: 0x%x\n", MIDR_VARIANT(midr));
-                seq_printf(m, "CPU part\t: 0x%03x\n", MIDR_PARTNUM(midr));
-                seq_printf(m, "CPU revision\t: %d\n\n", MIDR_REVISION(midr));
-        }
-
-        return 0;
-}
-
-static void *c_start(struct seq_file *m, loff_t *pos)
-{
-        return *pos < 1 ? (void *)1 : NULL;
-}
-
-static void *c_next(struct seq_file *m, void *v, loff_t *pos)
-{
-        ++*pos;
-        return NULL;
-}
-
-static void c_stop(struct seq_file *m, void *v)
-{
-}
-
-const struct seq_operations cpuinfo_op = {
-        .start  = c_start,
-        .next   = c_next,
-        .stop   = c_stop,
-        .show   = c_show
-};