ACPI: Set flag IORESOURCE_UNSET for unassigned resources

Also set flag IORESOURCE_UNSET for unassigned resource in addition to
IORESOURCE_DISABLED to mark resource as unassigned.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 3256129..5bf73a9 100644 (file)
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -58,7 +58,7 @@ static void acpi_dev_memresource_flags(struct resource *res, u64 len,
        res->flags = IORESOURCE_MEM;
 
        if (!acpi_dev_resource_len_valid(res->start, res->end, len, false))
-               res->flags |= IORESOURCE_DISABLED;
+               res->flags |= IORESOURCE_DISABLED | IORESOURCE_UNSET;
 
        if (write_protect == ACPI_READ_WRITE_MEMORY)
                res->flags |= IORESOURCE_MEM_WRITEABLE;
@@ -126,10 +126,10 @@ static void acpi_dev_ioresource_flags(struct resource *res, u64 len,
        res->flags = IORESOURCE_IO;
 
        if (!acpi_dev_resource_len_valid(res->start, res->end, len, true))
-               res->flags |= IORESOURCE_DISABLED;
+               res->flags |= IORESOURCE_DISABLED | IORESOURCE_UNSET;
 
        if (res->end >= 0x10003)
-               res->flags |= IORESOURCE_DISABLED;
+               res->flags |= IORESOURCE_DISABLED | IORESOURCE_UNSET;
 
        if (io_decode == ACPI_DECODE_16)
                res->flags |= IORESOURCE_IO_16BIT_ADDR;
@@ -304,7 +304,7 @@ static void acpi_dev_irqresource_disabled(struct resource *res, u32 gsi)
 {
        res->start = gsi;
        res->end = gsi;
-       res->flags = IORESOURCE_IRQ | IORESOURCE_DISABLED;
+       res->flags = IORESOURCE_IRQ | IORESOURCE_DISABLED | IORESOURCE_UNSET;
 }
 
 static void acpi_dev_get_irqresource(struct resource *res, u32 gsi,