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authorDavid S. Miller <davem@davemloft.net>2010-05-12 00:05:35 -0700
committerDavid S. Miller <davem@davemloft.net>2010-05-12 00:05:35 -0700
commit278554bd6579206921f5d8a523649a7a57f8850d (patch)
tree4e6c527daf0910e455b3aa72e2c96b0479e430be /drivers/pnp/pnpacpi/rsparser.c
parent5a147e8bf982f9dd414c1dd751fe02c1942506b2 (diff)
parentcea0d767c29669bf89f86e4aee46ef462d2ebae8 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: Documentation/feature-removal-schedule.txt drivers/net/wireless/ath/ar9170/usb.c drivers/scsi/iscsi_tcp.c net/ipv4/ipmr.c
Diffstat (limited to 'drivers/pnp/pnpacpi/rsparser.c')
-rw-r--r--drivers/pnp/pnpacpi/rsparser.c26
1 files changed, 4 insertions, 22 deletions
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 35bb44af49b..100e4d9372f 100644
--- 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)