linux-kernel - [PATCH v1 3/3] resource: Constify resource crosscheck APIs

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Message-Id: <20230901134217.1172891-3-andriy.shevchenko@linux.intel.com>
Date:   Fri,  1 Sep 2023 16:42:17 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v1 3/3] resource: Constify resource crosscheck APIs

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

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 include/linux/ioport.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 25d768d48970..14f5cfabbbc8 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -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;
-- 
2.40.0.1.gaa8946217a0b