This patch adds helpers to define resources, such as
DEFINE_RES_NAMED, DEFINE_RES_MEM and DEFINE_RES_MEM_NAMED.
Signed-off-by: Alexander Shiyan <shc_work@xxxxxxx>
---
include/linux/ioport.h | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 6d6cd68..ff0cba0 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -111,10 +111,25 @@ struct resource {
/* PCI control bits. Shares IORESOURCE_BITS with above PCI ROM. */
#define IORESOURCE_PCI_FIXED (1<<4) /* Do not move resource */
+/* Helpers to define resources */
+#define DEFINE_RES_NAMED(_start, _size, _name, _flags) \
+ { \
+ .start = (_start), \
+ .end = (_start) + (_size) - 1, \
+ .name = (_name), \
+ .flags = (_flags), \
+ }
+
+#define DEFINE_RES_MEM_NAMED(_start, _size, _name) \
+ DEFINE_RES_NAMED((_start), (_size), (_name), IORESOURCE_MEM)
+#define DEFINE_RES_MEM(_start, _size) \
+ DEFINE_RES_MEM_NAMED((_start), (_size), NULL)
+
static inline resource_size_t resource_size(const struct resource *res)
{
return res->end - res->start + 1;
}
+
static inline unsigned long resource_type(const struct resource *res)
{
return res->flags & IORESOURCE_TYPE_BITS;
--
1.7.3.4
_______________________________________________
barebox mailing list
barebox@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/barebox
