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[v2,11/23] ACPI: Set flag IORESOURCE_UNSET for unassigned resources

Message ID 1422844988-13854-12-git-send-email-jiang.liu@linux.intel.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Jiang Liu Feb. 2, 2015, 2:42 a.m. UTC 
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>
---
 drivers/acpi/resource.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
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Patch

diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 32561290a4a0..5bf73a9f26d9 100644
--- 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,