[Debug 2/2] x86/PCI/ACPI: Gather debug info

From: Jiang Liu
Date: Mon Mar 02 2015 - 04:49:16 EST



Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
---
drivers/acpi/resource.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 4752b9939987..43de252a75b4 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -46,10 +46,10 @@ static bool acpi_dev_resource_len_valid(u64 start, u64 end, u64 len, bool io)
if (len && reslen && reslen == len && start <= end)
return true;

- pr_info("ACPI: invalid or unassigned resource %s [%016llx - %016llx] length [%016llx]\n",
+ pr_warn("ACPI: invalid or unassigned resource %s [%016llx - %016llx] length [%016llx]\n",
io ? "io" : "mem", start, end, len);

- return false;
+ return reslen != 0;
}

static void acpi_dev_memresource_flags(struct resource *res, u64 len,
@@ -193,13 +193,14 @@ static bool acpi_decode_space(struct resource_win *win,
u64 len = attr->address_length;
struct resource *res = &win->res;

+ pr_warn("acpi: address space [%llx-%llx] len %llx\n", attr->minimum, attr->maximum, attr->address_length);
/*
* Filter out invalid descriptor according to ACPI Spec 5.0, section
* 6.4.3.5 Address Space Resource Descriptors.
*/
if ((addr->min_address_fixed != addr->max_address_fixed && len) ||
(addr->min_address_fixed && addr->max_address_fixed && !len))
- pr_debug("ACPI: Invalid address space min_addr_fix %d, max_addr_fix %d, len %llx\n",
+ pr_warn("ACPI: Invalid address space min_addr_fix %d, max_addr_fix %d, len %llx\n",
addr->min_address_fixed, addr->max_address_fixed, len);

res->start = attr->minimum;
--
1.7.10.4

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