[PATCH] dmi: spring cleanup
authorAndrey Panin <pazke@donpac.ru>
Sat, 25 Jun 2005 21:54:47 +0000 (14:54 -0700)
committerLinus Torvalds <torvalds@ppc970.osdl.org>
Sat, 25 Jun 2005 23:24:28 +0000 (16:24 -0700)
Whitespace and CodingStyle cleanup. No functionality changes.

Signed-off-by: Andrey Panin <pazke@donpac.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
arch/i386/kernel/dmi_scan.c

index ad4b369a5837f28f95874e3e579871827699cf68..a3cdf894302b0d5fe48ecfcd1581be41d99c8932 100644 (file)
@@ -1,22 +1,15 @@
 #include <linux/types.h>
-#include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/init.h>
 #include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/acpi.h>
-#include <asm/io.h>
-#include <linux/pm.h>
-#include <asm/system.h>
 #include <linux/dmi.h>
 #include <linux/bootmem.h>
 
 
-struct dmi_header
-{
-       u8      type;
-       u8      length;
-       u16     handle;
+struct dmi_header {
+       u8 type;
+       u8 length;
+       u16 handle;
 };
 
 #undef DMI_DEBUG
@@ -29,15 +22,13 @@ struct dmi_header
 
 static char * __init dmi_string(struct dmi_header *dm, u8 s)
 {
-       u8 *bp=(u8 *)dm;
-       bp+=dm->length;
-       if(!s)
+       u8 *bp = ((u8 *) dm) + dm->length;
+
+       if (!s)
                return "";
        s--;
-       while(s>0 && *bp)
-       {
-               bp+=strlen(bp);
-               bp++;
+       while (s > 0 && *bp) {
+               bp += strlen(bp) + 1;
                s--;
        }
        return bp;
@@ -47,16 +38,14 @@ static char * __init dmi_string(struct dmi_header *dm, u8 s)
  *     We have to be cautious here. We have seen BIOSes with DMI pointers
  *     pointing to completely the wrong place for example
  */
-static int __init dmi_table(u32 base, int len, int num, void (*decode)(struct dmi_header *))
+static int __init dmi_table(u32 base, int len, int num,
+                           void (*decode)(struct dmi_header *))
 {
-       u8 *buf;
-       struct dmi_header *dm;
-       u8 *data;
-       int i=0;
+       u8 *buf, *data;
+       int i = 0;
                
        buf = bt_ioremap(base, len);
-       if(buf==NULL)
+       if (buf == NULL)
                return -1;
 
        data = buf;
@@ -65,36 +54,34 @@ static int __init dmi_table(u32 base, int len, int num, void (*decode)(struct dm
         *      Stop when we see all the items the table claimed to have
         *      OR we run off the end of the table (also happens)
         */
-       while(i<num && data-buf+sizeof(struct dmi_header)<=len)
-       {
-               dm=(struct dmi_header *)data;
+       while ((i < num) && (data - buf + sizeof(struct dmi_header)) <= len) {
+               struct dmi_header *dm = (struct dmi_header *)data;
                /*
                 *  We want to know the total length (formated area and strings)
                 *  before decoding to make sure we won't run off the table in
                 *  dmi_decode or dmi_string
                 */
-               data+=dm->length;
-               while(data-buf<len-1 && (data[0] || data[1]))
+               data += dm->length;
+               while ((data - buf < len - 1) && (data[0] || data[1]))
                        data++;
-               if(data-buf<len-1)
+               if (data - buf < len - 1)
                        decode(dm);
-               data+=2;
+               data += 2;
                i++;
        }
        bt_iounmap(buf, len);
        return 0;
 }
 
-
-inline static int __init dmi_checksum(u8 *buf)
+static int __init dmi_checksum(u8 *buf)
 {
-       u8 sum=0;
+       u8 sum = 0;
        int a;
        
-       for(a=0; a<15; a++)
-               sum+=buf[a];
-       return (sum==0);
+       for (a = 0; a < 15; a++)
+               sum += buf[a];
+
+       return sum == 0;
 }
 
 static int __init dmi_iterate(void (*decode)(struct dmi_header *))
@@ -110,28 +97,30 @@ static int __init dmi_iterate(void (*decode)(struct dmi_header *))
        p = ioremap(0xF0000, 0x10000);
        if (p == NULL)
                return -1;
+
        for (q = p; q < p + 0x10000; q += 16) {
                memcpy_fromio(buf, q, 15);
-               if(memcmp(buf, "_DMI_", 5)==0 && dmi_checksum(buf))
-               {
-                       u16 num=buf[13]<<8|buf[12];
-                       u16 len=buf[7]<<8|buf[6];
-                       u32 base=buf[11]<<24|buf[10]<<16|buf[9]<<8|buf[8];
+               if ((memcmp(buf, "_DMI_", 5) == 0) && dmi_checksum(buf)) {
+                       u16 num = (buf[13] << 8) | buf[12];
+                       u16 len = (buf[7] << 8) | buf[6];
+                       u32 base = (buf[11] << 24) | (buf[10] << 16) |
+                                  (buf[9] << 8) | buf[8];
 
                        /*
                         * DMI version 0.0 means that the real version is taken from
                         * the SMBIOS version, which we don't know at this point.
                         */
-                       if(buf[14]!=0)
+                       if (buf[14] != 0)
                                printk(KERN_INFO "DMI %d.%d present.\n",
-                                       buf[14]>>4, buf[14]&0x0F);
+                                       buf[14] >> 4, buf[14] & 0xF);
                        else
                                printk(KERN_INFO "DMI present.\n");
+
                        dmi_printk((KERN_INFO "%d structures occupying %d bytes.\n",
                                num, len));
-                       dmi_printk((KERN_INFO "DMI table at 0x%08X.\n",
-                               base));
-                       if(dmi_table(base,len, num, decode)==0)
+                       dmi_printk((KERN_INFO "DMI table at 0x%08X.\n", base));
+
+                       if (dmi_table(base,len, num, decode) == 0)
                                return 0;
                }
        }
@@ -143,16 +132,17 @@ static char *dmi_ident[DMI_STRING_MAX];
 /*
  *     Save a DMI string
  */
 static void __init dmi_save_ident(struct dmi_header *dm, int slot, int string)
 {
        char *d = (char*)dm;
        char *p = dmi_string(dm, d[string]);
-       if(p==NULL || *p == 0)
+
+       if (p == NULL || *p == 0)
                return;
        if (dmi_ident[slot])
                return;
-       dmi_ident[slot] = alloc_bootmem(strlen(p)+1);
+
+       dmi_ident[slot] = alloc_bootmem(strlen(p) + 1);
        if(dmi_ident[slot])
                strcpy(dmi_ident[slot], p);
        else
@@ -166,48 +156,35 @@ static void __init dmi_save_ident(struct dmi_header *dm, int slot, int string)
  */
 static void __init dmi_decode(struct dmi_header *dm)
 {
-#ifdef DMI_DEBUG
-       u8 *data = (u8 *)dm;
-#endif
+       u8 *data __attribute__((__unused__)) = (u8 *)dm;
        
-       switch(dm->type)
-       {
-               case  0:
-                       dmi_printk(("BIOS Vendor: %s\n",
-                               dmi_string(dm, data[4])));
-                       dmi_save_ident(dm, DMI_BIOS_VENDOR, 4);
-                       dmi_printk(("BIOS Version: %s\n", 
-                               dmi_string(dm, data[5])));
-                       dmi_save_ident(dm, DMI_BIOS_VERSION, 5);
-                       dmi_printk(("BIOS Release: %s\n",
-                               dmi_string(dm, data[8])));
-                       dmi_save_ident(dm, DMI_BIOS_DATE, 8);
-                       break;
-               case 1:
-                       dmi_printk(("System Vendor: %s\n",
-                               dmi_string(dm, data[4])));
-                       dmi_save_ident(dm, DMI_SYS_VENDOR, 4);
-                       dmi_printk(("Product Name: %s\n",
-                               dmi_string(dm, data[5])));
-                       dmi_save_ident(dm, DMI_PRODUCT_NAME, 5);
-                       dmi_printk(("Version: %s\n",
-                               dmi_string(dm, data[6])));
-                       dmi_save_ident(dm, DMI_PRODUCT_VERSION, 6);
-                       dmi_printk(("Serial Number: %s\n",
-                               dmi_string(dm, data[7])));
-                       dmi_save_ident(dm, DMI_PRODUCT_SERIAL, 7);
-                       break;
-               case 2:
-                       dmi_printk(("Board Vendor: %s\n",
-                               dmi_string(dm, data[4])));
-                       dmi_save_ident(dm, DMI_BOARD_VENDOR, 4);
-                       dmi_printk(("Board Name: %s\n",
-                               dmi_string(dm, data[5])));
-                       dmi_save_ident(dm, DMI_BOARD_NAME, 5);
-                       dmi_printk(("Board Version: %s\n",
-                               dmi_string(dm, data[6])));
-                       dmi_save_ident(dm, DMI_BOARD_VERSION, 6);
-                       break;
+       switch(dm->type) {
+       case  0:
+               dmi_printk(("BIOS Vendor: %s\n", dmi_string(dm, data[4])));
+               dmi_save_ident(dm, DMI_BIOS_VENDOR, 4);
+               dmi_printk(("BIOS Version: %s\n", dmi_string(dm, data[5])));
+               dmi_save_ident(dm, DMI_BIOS_VERSION, 5);
+               dmi_printk(("BIOS Release: %s\n", dmi_string(dm, data[8])));
+               dmi_save_ident(dm, DMI_BIOS_DATE, 8);
+               break;
+       case 1:
+               dmi_printk(("System Vendor: %s\n", dmi_string(dm, data[4])));
+               dmi_save_ident(dm, DMI_SYS_VENDOR, 4);
+               dmi_printk(("Product Name: %s\n", dmi_string(dm, data[5])));
+               dmi_save_ident(dm, DMI_PRODUCT_NAME, 5);
+               dmi_printk(("Version: %s\n", dmi_string(dm, data[6])));
+               dmi_save_ident(dm, DMI_PRODUCT_VERSION, 6);
+               dmi_printk(("Serial Number: %s\n", dmi_string(dm, data[7])));
+               dmi_save_ident(dm, DMI_PRODUCT_SERIAL, 7);
+               break;
+       case 2:
+               dmi_printk(("Board Vendor: %s\n", dmi_string(dm, data[4])));
+               dmi_save_ident(dm, DMI_BOARD_VENDOR, 4);
+               dmi_printk(("Board Name: %s\n", dmi_string(dm, data[5])));
+               dmi_save_ident(dm, DMI_BOARD_NAME, 5);
+               dmi_printk(("Board Version: %s\n", dmi_string(dm, data[6])));
+               dmi_save_ident(dm, DMI_BOARD_VERSION, 6);
+               break;
        }
 }