mirror of https://gitee.com/openkylin/linux.git
[PATCH] dmi: spring cleanup
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>
This commit is contained in:
Andrey Panin
Linus Torvalds
parent
b625883f24
commit
1249c5138f
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@ -1,22 +1,15 @@
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/acpi.h>
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#include <asm/io.h>
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#include <linux/pm.h>
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#include <asm/system.h>
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#include <linux/dmi.h>
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#include <linux/bootmem.h>
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struct dmi_header
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{
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u8 type;
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u8 length;
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u16 handle;
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struct dmi_header {
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u8 type;
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u8 length;
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u16 handle;
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};
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#undef DMI_DEBUG
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@ -29,15 +22,13 @@ struct dmi_header
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static char * __init dmi_string(struct dmi_header *dm, u8 s)
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{
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u8 *bp=(u8 *)dm;
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bp+=dm->length;
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if(!s)
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u8 *bp = ((u8 *) dm) + dm->length;
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if (!s)
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return "";
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s--;
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while(s>0 && *bp)
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{
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bp+=strlen(bp);
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bp++;
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while (s > 0 && *bp) {
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bp += strlen(bp) + 1;
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s--;
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}
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return bp;
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@ -47,16 +38,14 @@ static char * __init dmi_string(struct dmi_header *dm, u8 s)
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* We have to be cautious here. We have seen BIOSes with DMI pointers
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* pointing to completely the wrong place for example
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*/
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static int __init dmi_table(u32 base, int len, int num, void (*decode)(struct dmi_header *))
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static int __init dmi_table(u32 base, int len, int num,
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void (*decode)(struct dmi_header *))
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{
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u8 *buf;
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struct dmi_header *dm;
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u8 *data;
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int i=0;
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u8 *buf, *data;
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int i = 0;
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buf = bt_ioremap(base, len);
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if(buf==NULL)
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if (buf == NULL)
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return -1;
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data = buf;
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@ -65,36 +54,34 @@ static int __init dmi_table(u32 base, int len, int num, void (*decode)(struct dm
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* Stop when we see all the items the table claimed to have
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* OR we run off the end of the table (also happens)
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*/
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while(i<num && data-buf+sizeof(struct dmi_header)<=len)
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{
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dm=(struct dmi_header *)data;
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while ((i < num) && (data - buf + sizeof(struct dmi_header)) <= len) {
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struct dmi_header *dm = (struct dmi_header *)data;
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/*
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* We want to know the total length (formated area and strings)
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* before decoding to make sure we won't run off the table in
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* dmi_decode or dmi_string
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*/
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data+=dm->length;
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while(data-buf<len-1 && (data[0] || data[1]))
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data += dm->length;
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while ((data - buf < len - 1) && (data[0] || data[1]))
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data++;
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if(data-buf<len-1)
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if (data - buf < len - 1)
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decode(dm);
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data+=2;
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data += 2;
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i++;
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}
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bt_iounmap(buf, len);
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return 0;
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}
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inline static int __init dmi_checksum(u8 *buf)
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static int __init dmi_checksum(u8 *buf)
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{
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u8 sum=0;
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u8 sum = 0;
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int a;
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for(a=0; a<15; a++)
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sum+=buf[a];
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return (sum==0);
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for (a = 0; a < 15; a++)
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sum += buf[a];
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return sum == 0;
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}
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static int __init dmi_iterate(void (*decode)(struct dmi_header *))
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@ -110,28 +97,30 @@ static int __init dmi_iterate(void (*decode)(struct dmi_header *))
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p = ioremap(0xF0000, 0x10000);
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if (p == NULL)
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return -1;
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for (q = p; q < p + 0x10000; q += 16) {
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memcpy_fromio(buf, q, 15);
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if(memcmp(buf, "_DMI_", 5)==0 && dmi_checksum(buf))
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{
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u16 num=buf[13]<<8|buf[12];
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u16 len=buf[7]<<8|buf[6];
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u32 base=buf[11]<<24|buf[10]<<16|buf[9]<<8|buf[8];
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if ((memcmp(buf, "_DMI_", 5) == 0) && dmi_checksum(buf)) {
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u16 num = (buf[13] << 8) | buf[12];
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u16 len = (buf[7] << 8) | buf[6];
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u32 base = (buf[11] << 24) | (buf[10] << 16) |
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(buf[9] << 8) | buf[8];
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/*
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* DMI version 0.0 means that the real version is taken from
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* the SMBIOS version, which we don't know at this point.
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*/
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if(buf[14]!=0)
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if (buf[14] != 0)
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printk(KERN_INFO "DMI %d.%d present.\n",
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buf[14]>>4, buf[14]&0x0F);
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buf[14] >> 4, buf[14] & 0xF);
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else
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printk(KERN_INFO "DMI present.\n");
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dmi_printk((KERN_INFO "%d structures occupying %d bytes.\n",
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num, len));
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dmi_printk((KERN_INFO "DMI table at 0x%08X.\n",
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base));
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if(dmi_table(base,len, num, decode)==0)
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dmi_printk((KERN_INFO "DMI table at 0x%08X.\n", base));
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if (dmi_table(base,len, num, decode) == 0)
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return 0;
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}
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}
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@ -143,16 +132,17 @@ static char *dmi_ident[DMI_STRING_MAX];
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/*
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* Save a DMI string
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*/
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static void __init dmi_save_ident(struct dmi_header *dm, int slot, int string)
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{
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char *d = (char*)dm;
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char *p = dmi_string(dm, d[string]);
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if(p==NULL || *p == 0)
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if (p == NULL || *p == 0)
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return;
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if (dmi_ident[slot])
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return;
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dmi_ident[slot] = alloc_bootmem(strlen(p)+1);
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dmi_ident[slot] = alloc_bootmem(strlen(p) + 1);
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if(dmi_ident[slot])
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strcpy(dmi_ident[slot], p);
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else
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@ -166,48 +156,35 @@ static void __init dmi_save_ident(struct dmi_header *dm, int slot, int string)
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*/
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static void __init dmi_decode(struct dmi_header *dm)
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{
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#ifdef DMI_DEBUG
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u8 *data = (u8 *)dm;
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#endif
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u8 *data __attribute__((__unused__)) = (u8 *)dm;
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switch(dm->type)
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{
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case 0:
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dmi_printk(("BIOS Vendor: %s\n",
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dmi_string(dm, data[4])));
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dmi_save_ident(dm, DMI_BIOS_VENDOR, 4);
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dmi_printk(("BIOS Version: %s\n",
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dmi_string(dm, data[5])));
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dmi_save_ident(dm, DMI_BIOS_VERSION, 5);
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dmi_printk(("BIOS Release: %s\n",
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dmi_string(dm, data[8])));
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dmi_save_ident(dm, DMI_BIOS_DATE, 8);
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break;
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case 1:
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dmi_printk(("System Vendor: %s\n",
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dmi_string(dm, data[4])));
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dmi_save_ident(dm, DMI_SYS_VENDOR, 4);
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dmi_printk(("Product Name: %s\n",
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dmi_string(dm, data[5])));
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dmi_save_ident(dm, DMI_PRODUCT_NAME, 5);
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dmi_printk(("Version: %s\n",
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dmi_string(dm, data[6])));
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dmi_save_ident(dm, DMI_PRODUCT_VERSION, 6);
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dmi_printk(("Serial Number: %s\n",
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dmi_string(dm, data[7])));
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dmi_save_ident(dm, DMI_PRODUCT_SERIAL, 7);
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break;
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case 2:
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dmi_printk(("Board Vendor: %s\n",
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dmi_string(dm, data[4])));
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dmi_save_ident(dm, DMI_BOARD_VENDOR, 4);
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dmi_printk(("Board Name: %s\n",
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dmi_string(dm, data[5])));
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dmi_save_ident(dm, DMI_BOARD_NAME, 5);
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dmi_printk(("Board Version: %s\n",
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dmi_string(dm, data[6])));
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dmi_save_ident(dm, DMI_BOARD_VERSION, 6);
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break;
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switch(dm->type) {
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case 0:
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dmi_printk(("BIOS Vendor: %s\n", dmi_string(dm, data[4])));
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dmi_save_ident(dm, DMI_BIOS_VENDOR, 4);
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dmi_printk(("BIOS Version: %s\n", dmi_string(dm, data[5])));
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dmi_save_ident(dm, DMI_BIOS_VERSION, 5);
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dmi_printk(("BIOS Release: %s\n", dmi_string(dm, data[8])));
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dmi_save_ident(dm, DMI_BIOS_DATE, 8);
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break;
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case 1:
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dmi_printk(("System Vendor: %s\n", dmi_string(dm, data[4])));
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dmi_save_ident(dm, DMI_SYS_VENDOR, 4);
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dmi_printk(("Product Name: %s\n", dmi_string(dm, data[5])));
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dmi_save_ident(dm, DMI_PRODUCT_NAME, 5);
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dmi_printk(("Version: %s\n", dmi_string(dm, data[6])));
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dmi_save_ident(dm, DMI_PRODUCT_VERSION, 6);
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dmi_printk(("Serial Number: %s\n", dmi_string(dm, data[7])));
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dmi_save_ident(dm, DMI_PRODUCT_SERIAL, 7);
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break;
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case 2:
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dmi_printk(("Board Vendor: %s\n", dmi_string(dm, data[4])));
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dmi_save_ident(dm, DMI_BOARD_VENDOR, 4);
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dmi_printk(("Board Name: %s\n", dmi_string(dm, data[5])));
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dmi_save_ident(dm, DMI_BOARD_NAME, 5);
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dmi_printk(("Board Version: %s\n", dmi_string(dm, data[6])));
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dmi_save_ident(dm, DMI_BOARD_VERSION, 6);
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break;
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}
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}
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