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path: root/drivers/pnp/pnpacpi/rsparser.c
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Diffstat (limited to 'drivers/pnp/pnpacpi/rsparser.c')
-rw-r--r--drivers/pnp/pnpacpi/rsparser.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 54514aa35b0..100e4d9372f 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -24,6 +24,7 @@
#include <linux/acpi.h>
#include <linux/pci.h>
#include <linux/pnp.h>
+#include <linux/slab.h>
#include "../base.h"
#include "pnpacpi.h"
@@ -279,6 +280,7 @@ static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev,
struct acpi_resource_address64 addr, *p = &addr;
acpi_status status;
int window;
+ u64 len;
status = acpi_resource_to_address64(res, p);
if (!ACPI_SUCCESS(status)) {
@@ -287,20 +289,19 @@ static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev,
return;
}
+ /* 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)
- pnpacpi_parse_allocated_memresource(dev,
- p->minimum, p->address_length,
+ pnpacpi_parse_allocated_memresource(dev, p->minimum, len,
p->info.mem.write_protect, window);
else if (p->resource_type == ACPI_IO_RANGE)
- pnpacpi_parse_allocated_ioresource(dev,
- p->minimum, p->address_length,
+ pnpacpi_parse_allocated_ioresource(dev, p->minimum, len,
p->granularity == 0xfff ? ACPI_DECODE_10 :
ACPI_DECODE_16, window);
else if (p->resource_type == ACPI_BUS_NUMBER_RANGE)
- pnpacpi_parse_allocated_busresource(dev, p->minimum,
- p->address_length);
+ pnpacpi_parse_allocated_busresource(dev, p->minimum, len);
}
static void pnpacpi_parse_allocated_ext_address_space(struct pnp_dev *dev,
@@ -308,21 +309,21 @@ static void pnpacpi_parse_allocated_ext_address_space(struct pnp_dev *dev,
{
struct acpi_resource_extended_address64 *p = &res->data.ext_address64;
int window;
+ u64 len;
+ /* 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)
- pnpacpi_parse_allocated_memresource(dev,
- p->minimum, p->address_length,
+ pnpacpi_parse_allocated_memresource(dev, p->minimum, len,
p->info.mem.write_protect, window);
else if (p->resource_type == ACPI_IO_RANGE)
- pnpacpi_parse_allocated_ioresource(dev,
- p->minimum, p->address_length,
+ pnpacpi_parse_allocated_ioresource(dev, p->minimum, len,
p->granularity == 0xfff ? ACPI_DECODE_10 :
ACPI_DECODE_16, window);
else if (p->resource_type == ACPI_BUS_NUMBER_RANGE)
- pnpacpi_parse_allocated_busresource(dev, p->minimum,
- p->address_length);
+ pnpacpi_parse_allocated_busresource(dev, p->minimum, len);
}
static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,