[PATCH] remove ISA legacy functions: drivers/char/toshiba.c
Al Viro [Fri, 24 Mar 2006 11:15:36 +0000 (03:15 -0800)]
switch from isa_read...() to ioremap() and read...()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/char/toshiba.c

index 0c6f521..e2fb234 100644 (file)
@@ -355,14 +355,14 @@ static void tosh_set_fn_port(void)
 /*
  * Get the machine identification number of the current model
  */
-static int tosh_get_machine_id(void)
+static int tosh_get_machine_id(void __iomem *bios)
 {
        int id;
        SMMRegisters regs;
        unsigned short bx,cx;
        unsigned long address;
 
-       id = (0x100*(int) isa_readb(0xffffe))+((int) isa_readb(0xffffa));
+       id = (0x100*(int) readb(bios+0xfffe))+((int) readb(bios+0xfffa));
 
        /* do we have a SCTTable machine identication number on our hands */
 
@@ -388,12 +388,12 @@ static int tosh_get_machine_id(void)
 
                /* now twiddle with our pointer a bit */
 
-               address = 0x000f0000+bx;
-               cx = isa_readw(address);
-               address = 0x000f0009+bx+cx;
-               cx = isa_readw(address);
-               address = 0x000f000a+cx;
-               cx = isa_readw(address);
+               address = bx;
+               cx = readw(bios + address);
+               address = 9+bx+cx;
+               cx = readw(bios + address);
+               address = 0xa+cx;
+               cx = readw(bios + address);
 
                /* now construct our machine identification number */
 
@@ -416,13 +416,18 @@ static int tosh_probe(void)
        int i,major,minor,day,year,month,flag;
        unsigned char signature[7] = { 0x54,0x4f,0x53,0x48,0x49,0x42,0x41 };
        SMMRegisters regs;
+       void __iomem *bios = ioremap(0xf0000, 0x10000);
+
+       if (!bios)
+               return -ENOMEM;
 
        /* extra sanity check for the string "TOSHIBA" in the BIOS because
           some machines that are not Toshiba's pass the next test */
 
        for (i=0;i<7;i++) {
-               if (isa_readb(0xfe010+i)!=signature[i]) {
+               if (readb(bios+0xe010+i)!=signature[i]) {
                        printk("toshiba: not a supported Toshiba laptop\n");
+                       iounmap(bios);
                        return -ENODEV;
                }
        }
@@ -438,6 +443,7 @@ static int tosh_probe(void)
 
        if ((flag==1) || ((regs.eax & 0xff00)==0x8600)) {
                printk("toshiba: not a supported Toshiba laptop\n");
+               iounmap(bios);
                return -ENODEV;
        }
 
@@ -447,19 +453,19 @@ static int tosh_probe(void)
 
        /* next get the machine ID of the current laptop */
 
-       tosh_id = tosh_get_machine_id();
+       tosh_id = tosh_get_machine_id(bios);
 
        /* get the BIOS version */
 
-       major = isa_readb(0xfe009)-'0';
-       minor = ((isa_readb(0xfe00b)-'0')*10)+(isa_readb(0xfe00c)-'0');
+       major = readb(bios+0xe009)-'0';
+       minor = ((readb(bios+0xe00b)-'0')*10)+(readb(bios+0xe00c)-'0');
        tosh_bios = (major*0x100)+minor;
 
        /* get the BIOS date */
 
-       day = ((isa_readb(0xffff5)-'0')*10)+(isa_readb(0xffff6)-'0');
-       month = ((isa_readb(0xffff8)-'0')*10)+(isa_readb(0xffff9)-'0');
-       year = ((isa_readb(0xffffb)-'0')*10)+(isa_readb(0xffffc)-'0');
+       day = ((readb(bios+0xfff5)-'0')*10)+(readb(bios+0xfff6)-'0');
+       month = ((readb(bios+0xfff8)-'0')*10)+(readb(bios+0xfff9)-'0');
+       year = ((readb(bios+0xfffb)-'0')*10)+(readb(bios+0xfffc)-'0');
        tosh_date = (((year-90) & 0x1f)<<10) | ((month & 0xf)<<6)
                | ((day & 0x1f)<<1);
 
@@ -476,6 +482,8 @@ static int tosh_probe(void)
        if ((tosh_id==0xfccb) || (tosh_id==0xfccc))
                tosh_fan = 1;
 
+       iounmap(bios);
+
        return 0;
 }