Commit eb7581de authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Greg Kroah-Hartman
Browse files

resource: Constify resource crosscheck APIs 



Constify APIs: _contains(), _overlaps(), _intersection(), _union().

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230912165312.402422-3-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 10dabdf4

include/linux/ioport.h

+6 −6
Original line number Diff line number Diff line
@@ -229,7 +229,7 @@ static inline unsigned long resource_ext_type(const struct resource *res) 
	return res->flags & IORESOURCE_EXT_TYPE_BITS;

}

/* True iff r1 completely contains r2 */

static inline bool resource_contains(struct resource *r1, struct resource *r2)

static inline bool resource_contains(const struct resource *r1, const struct resource *r2)

{

	if (resource_type(r1) != resource_type(r2))

		return false;
@@ -239,13 +239,13 @@ static inline bool resource_contains(struct resource *r1, struct resource *r2) 
}



/* True if any part of r1 overlaps r2 */

static inline bool resource_overlaps(struct resource *r1, struct resource *r2)

static inline bool resource_overlaps(const struct resource *r1, const struct resource *r2)

{

       return r1->start <= r2->end && r1->end >= r2->start;

}



static inline bool

resource_intersection(struct resource *r1, struct resource *r2, struct resource *r)

static inline bool resource_intersection(const struct resource *r1, const struct resource *r2,

					 struct resource *r)

{

	if (!resource_overlaps(r1, r2))

		return false;
@@ -254,8 +254,8 @@ resource_intersection(struct resource *r1, struct resource *r2, struct resource 
	return true;

}



static inline bool

resource_union(struct resource *r1, struct resource *r2, struct resource *r)

static inline bool resource_union(const struct resource *r1, const struct resource *r2,

				  struct resource *r)

{

	if (!resource_overlaps(r1, r2))

		return false;