From: Al Viro <[email protected]>
switch from isa_read...() to ioremap() and read...()
Signed-off-by: Al Viro <[email protected]>
Signed-off-by: Adrian Bunk <[email protected]>
---
drivers/char/toshiba.c | 38 +++++++++++++++++++++++---------------
1 files changed, 23 insertions(+), 15 deletions(-)
0bb582c17832859733b3dd6d408f64234cccf860
diff --git a/drivers/char/toshiba.c b/drivers/char/toshiba.c
--- a/drivers/char/toshiba.c
+++ b/drivers/char/toshiba.c
@@ -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;
}
-
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