1 files changed, 12 insertions, 13 deletions

diff --git a/arch/blackfin/kernel/cplbinfo.c b/arch/blackfin/kernel/cplbinfo.c
index 26d181943001..0bdaa517a501 100644
--- a/arch/blackfin/kernel/cplbinfo.c
+++ b/arch/blackfin/kernel/cplbinfo.c
@@ -112,24 +112,21 @@ static const struct seq_operations cplbinfo_sops = {
         .show  = cplbinfo_show,
 };
 
+#define CPLBINFO_DCPLB_FLAG 0x80000000
+
 static int cplbinfo_open(struct inode *inode, struct file *file)
 {
-        char buf[256], *path, *p;
+        struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+        char cplb_type;
         unsigned int cpu;
-        char *s_cpu, *s_cplb;
         int ret;
         struct seq_file *m;
         struct cplbinfo_data *cdata;
 
-        path = d_path(&file->f_path, buf, sizeof(buf));
-        if (IS_ERR(path))
-                return PTR_ERR(path);
-        s_cpu = strstr(path, "/cpu");
-        s_cplb = strrchr(path, '/');
-        if (!s_cpu || !s_cplb)
-                return -EINVAL;
+        cpu = (unsigned int)pde->data;
+        cplb_type = cpu & CPLBINFO_DCPLB_FLAG ? 'D' : 'I';
+        cpu &= ~CPLBINFO_DCPLB_FLAG;
 
-        cpu = simple_strtoul(s_cpu + 4, &p, 10);
         if (!cpu_online(cpu))
                 return -ENODEV;
 
@@ -140,7 +137,7 @@ static int cplbinfo_open(struct inode *inode, struct file *file)
         cdata = m->private;
 
         cdata->pos = 0;
-        cdata->cplb_type = toupper(s_cplb[1]);
+        cdata->cplb_type = cplb_type;
         cplbinfo_seq_init(cdata, cpu);
 
         return 0;
@@ -169,8 +166,10 @@ static int __init cplbinfo_init(void)
                 if (!cpu_dir)
                         return -ENOMEM;
 
-                proc_create("icplb", S_IRUGO, cpu_dir, &cplbinfo_fops);
-                proc_create("dcplb", S_IRUGO, cpu_dir, &cplbinfo_fops);
+                proc_create_data("icplb", S_IRUGO, cpu_dir, &cplbinfo_fops,
+                        (void *)cpu);
+                proc_create_data("dcplb", S_IRUGO, cpu_dir, &cplbinfo_fops,
+                        (void *)(cpu | CPLBINFO_DCPLB_FLAG));
         }
 
         return 0;