diff options
Diffstat (limited to 'drivers/video/via/lcd.c')
| -rw-r--r-- | drivers/video/via/lcd.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/video/via/lcd.c b/drivers/video/via/lcd.c index 3425c3969806..723fa04b303f 100644 --- a/drivers/video/via/lcd.c +++ b/drivers/video/via/lcd.c @@ -1064,34 +1064,33 @@ static struct display_timing lcd_centering_timging(struct display_timing bool viafb_lcd_get_mobile_state(bool *mobile) { - unsigned char *romptr, *tableptr; + unsigned char __iomem *romptr, *tableptr, *biosptr; u8 core_base; - unsigned char *biosptr; /* Rom address */ - u32 romaddr = 0x000C0000; - u16 start_pattern = 0; + const u32 romaddr = 0x000C0000; + u16 start_pattern; biosptr = ioremap(romaddr, 0x10000); + start_pattern = readw(biosptr); - memcpy(&start_pattern, biosptr, 2); /* Compare pattern */ if (start_pattern == 0xAA55) { /* Get the start of Table */ /* 0x1B means BIOS offset position */ romptr = biosptr + 0x1B; - tableptr = biosptr + *((u16 *) romptr); + tableptr = biosptr + readw(romptr); /* Get the start of biosver structure */ /* 18 means BIOS version position. */ romptr = tableptr + 18; - romptr = biosptr + *((u16 *) romptr); + romptr = biosptr + readw(romptr); /* The offset should be 44, but the actual image is less three char. */ /* pRom += 44; */ romptr += 41; - core_base = *romptr++; + core_base = readb(romptr); if (core_base & 0x8) *mobile = false; |