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-rw-r--r--src/device/device_util.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/device/device_util.c b/src/device/device_util.c
index 88608597f2..22c3db1c44 100644
--- a/src/device/device_util.c
+++ b/src/device/device_util.c
@@ -883,6 +883,13 @@ void tolm_test(void *gp, struct device *dev, struct resource *new)
best = *best_p;
+ /*
+ * If resource is not allocated any space i.e. size is zero,
+ * then do not consider this resource in tolm calculations.
+ */
+ if (new->size == 0)
+ return;
+
if (!best || (best->base > new->base))
best = new;
@@ -893,9 +900,9 @@ u32 find_pci_tolm(struct bus *bus)
{
struct resource *min = NULL;
u32 tolm;
+ unsigned long mask_match = IORESOURCE_MEM | IORESOURCE_ASSIGNED;
- search_bus_resources(bus, IORESOURCE_MEM, IORESOURCE_MEM,
- tolm_test, &min);
+ search_bus_resources(bus, mask_match, mask_match, tolm_test, &min);
tolm = 0xffffffffUL;