1 files changed, 5 insertions, 3 deletions

diff --git a/arch/x86/kernel/resource.c b/arch/x86/kernel/resource.c
index 2a26819bb6a8..80eab01c1a68 100644
--- a/arch/x86/kernel/resource.c
+++ b/arch/x86/kernel/resource.c
@@ -37,10 +37,12 @@ static void remove_e820_regions(struct resource *avail)
 
 void arch_remove_reservations(struct resource *avail)
 {
-        /* Trim out BIOS areas (low 1MB and high 2MB) and E820 regions */
+        /*
+         * Trim out BIOS area (high 2MB) and E820 regions. We do not remove
+         * the low 1MB unconditionally, as this area is needed for some ISA
+         * cards requiring a memory range, e.g. the i82365 PCMCIA controller.
+         */
         if (avail->flags & IORESOURCE_MEM) {
-                if (avail->start < BIOS_END)
-                        avail->start = BIOS_END;
                 resource_clip(avail, BIOS_ROM_BASE, BIOS_ROM_END);
 
                 remove_e820_regions(avail);