From 9ad3f2c7c69659c343843393944d739fec1f2e73 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Wed, 10 Feb 2010 01:20:11 -0800 Subject: x86/pci: Add cap_resource() Prepare for 32bit pci root bus -v2: hpa said we should compare with (resource_size_t)~0 -v3: according to Linus to use MAX_RESOURCE instead. also need need to put related patches together -v4: according to Andrew, use min in cap_resource() Signed-off-by: Yinghai Lu LKML-Reference: <1265793639-15071-8-git-send-email-yinghai@kernel.org> Acked-by: Jesse Barnes Signed-off-by: H. Peter Anvin --- arch/x86/pci/amd_bus.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'arch/x86/pci/amd_bus.c') diff --git a/arch/x86/pci/amd_bus.c b/arch/x86/pci/amd_bus.c index f06bb1b..f7e13b6 100644 --- a/arch/x86/pci/amd_bus.c +++ b/arch/x86/pci/amd_bus.c @@ -201,7 +201,7 @@ static int __init early_fill_mp_bus_info(void) memset(range, 0, sizeof(range)); /* 0xfd00000000-0xffffffffff for HT */ - range[0].end = (0xfdULL<<32) - 1; + range[0].end = cap_resource((0xfdULL<<32) - 1); /* need to take out [0, TOM) for RAM*/ address = MSR_K8_TOP_MEM1; @@ -286,7 +286,8 @@ static int __init early_fill_mp_bus_info(void) } } - update_res(info, start, end, IORESOURCE_MEM, 1); + update_res(info, cap_resource(start), cap_resource(end), + IORESOURCE_MEM, 1); subtract_range(range, RANGE_NUM, start, end); printk(KERN_CONT "\n"); } @@ -321,7 +322,8 @@ static int __init early_fill_mp_bus_info(void) if (!range[i].end) continue; - update_res(info, range[i].start, range[i].end, + update_res(info, cap_resource(range[i].start), + cap_resource(range[i].end), IORESOURCE_MEM, 1); } } -- cgit v1.1