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ACPI: Set flag IORESOURCE_UNSET for unassigned resources
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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>
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Jiang Liu authored and Rafael J. Wysocki committed Feb 3, 2015
1 parent 581c19f commit c78b688
Showing 1 changed file with 4 additions and 4 deletions.
8 changes: 4 additions & 4 deletions drivers/acpi/resource.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand Down Expand Up @@ -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;
Expand Down Expand Up @@ -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,
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