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Diffstat (limited to 'arch/x86/kernel/eisa.c')
-rw-r--r--arch/x86/kernel/eisa.c8
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);