Merge branch 'msm-core' of git://codeaurora.org/quic/kernel/dwalker/linux-msm

[pandora-kernel.git] / drivers / pnp / pnpacpi / rsparser.c

diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 35bb44a..100e4d9 100644 (file)
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -274,26 +274,6 @@ static void pnpacpi_parse_allocated_busresource(struct pnp_dev *dev,
        pnp_add_bus_resource(dev, start, end);
 }
 
-static u64 addr_space_length(struct pnp_dev *dev, u64 min, u64 max, u64 len)
-{
-       u64 max_len;
-
-       max_len = max - min + 1;
-       if (len <= max_len)
-               return len;
-
-       /*
-        * Per 6.4.3.5, _LEN cannot exceed _MAX - _MIN + 1, but some BIOSes
-        * don't do this correctly, e.g.,
-        * https://bugzilla.kernel.org/show_bug.cgi?id=15480
-        */
-       dev_info(&dev->dev,
-                "resource length %#llx doesn't fit in %#llx-%#llx, trimming\n",
-                (unsigned long long) len, (unsigned long long) min,
-                (unsigned long long) max);
-       return max_len;
-}
-
 static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev,
                                                  struct acpi_resource *res)
 {
@@ -309,7 +289,8 @@ static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev,
                return;
        }
 
-       len = addr_space_length(dev, p->minimum, p->maximum, p->address_length);
+       /* Windows apparently computes length rather than using _LEN */
+       len = p->maximum - p->minimum + 1;
        window = (p->producer_consumer == ACPI_PRODUCER) ? 1 : 0;
 
        if (p->resource_type == ACPI_MEMORY_RANGE)
@@ -330,7 +311,8 @@ static void pnpacpi_parse_allocated_ext_address_space(struct pnp_dev *dev,
        int window;
        u64 len;
 
-       len = addr_space_length(dev, p->minimum, p->maximum, p->address_length);
+       /* Windows apparently computes length rather than using _LEN */
+       len = p->maximum - p->minimum + 1;
        window = (p->producer_consumer == ACPI_PRODUCER) ? 1 : 0;
 
        if (p->resource_type == ACPI_MEMORY_RANGE)