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-rw-r--r--include/linux/ioport.h11
1 files changed, 7 insertions, 4 deletions
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 605d237364d..c6801bffe76 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -44,21 +44,23 @@ struct resource_list {
#define IORESOURCE_CACHEABLE 0x00004000
#define IORESOURCE_RANGELENGTH 0x00008000
#define IORESOURCE_SHADOWABLE 0x00010000
-#define IORESOURCE_BUS_HAS_VGA 0x00080000
+
+#define IORESOURCE_SIZEALIGN 0x00020000 /* size indicates alignment */
+#define IORESOURCE_STARTALIGN 0x00040000 /* start field is alignment */
#define IORESOURCE_DISABLED 0x10000000
#define IORESOURCE_UNSET 0x20000000
#define IORESOURCE_AUTO 0x40000000
#define IORESOURCE_BUSY 0x80000000 /* Driver has marked this resource busy */
-/* ISA PnP IRQ specific bits (IORESOURCE_BITS) */
+/* PnP IRQ specific bits (IORESOURCE_BITS) */
#define IORESOURCE_IRQ_HIGHEDGE (1<<0)
#define IORESOURCE_IRQ_LOWEDGE (1<<1)
#define IORESOURCE_IRQ_HIGHLEVEL (1<<2)
#define IORESOURCE_IRQ_LOWLEVEL (1<<3)
#define IORESOURCE_IRQ_SHAREABLE (1<<4)
-/* ISA PnP DMA specific bits (IORESOURCE_BITS) */
+/* PnP DMA specific bits (IORESOURCE_BITS) */
#define IORESOURCE_DMA_TYPE_MASK (3<<0)
#define IORESOURCE_DMA_8BIT (0<<0)
#define IORESOURCE_DMA_8AND16BIT (1<<0)
@@ -74,7 +76,7 @@ struct resource_list {
#define IORESOURCE_DMA_TYPEB (2<<6)
#define IORESOURCE_DMA_TYPEF (3<<6)
-/* ISA PnP memory I/O specific bits (IORESOURCE_BITS) */
+/* PnP memory I/O specific bits (IORESOURCE_BITS) */
#define IORESOURCE_MEM_WRITEABLE (1<<0) /* dup: IORESOURCE_READONLY */
#define IORESOURCE_MEM_CACHEABLE (1<<1) /* dup: IORESOURCE_CACHEABLE */
#define IORESOURCE_MEM_RANGELENGTH (1<<2) /* dup: IORESOURCE_RANGELENGTH */
@@ -110,6 +112,7 @@ extern int allocate_resource(struct resource *root, struct resource *new,
void *alignf_data);
int adjust_resource(struct resource *res, resource_size_t start,
resource_size_t size);
+resource_size_t resource_alignment(struct resource *res);
/* Convenience shorthand with allocation */
#define request_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name))