diff options
Diffstat (limited to 'arch/x86/kernel/eisa.c')
-rw-r--r-- | arch/x86/kernel/eisa.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/kernel/eisa.c b/arch/x86/kernel/eisa.c index 53935b4d62e3..9535a6507db7 100644 --- a/arch/x86/kernel/eisa.c +++ b/arch/x86/kernel/eisa.c @@ -11,15 +11,15 @@ static __init int eisa_bus_probe(void) { - void __iomem *p; + u32 *p; if ((xen_pv_domain() && !xen_initial_domain()) || cc_platform_has(CC_ATTR_GUEST_SEV_SNP)) return 0; - p = ioremap(0x0FFFD9, 4); - if (p && readl(p) == 'E' + ('I' << 8) + ('S' << 16) + ('A' << 24)) + p = memremap(0x0FFFD9, 4, MEMREMAP_WB); + if (p && *p == 'E' + ('I' << 8) + ('S' << 16) + ('A' << 24)) EISA_bus = 1; - iounmap(p); + memunmap(p); return 0; } subsys_initcall(eisa_bus_probe); |