The printk tests for struct resource were stubbed out.  struct range
printing will leverage the struct resource implementation.

To prevent regression add some basic sanity tests for struct resource.

To: Petr Mladek <pmla...@suse.com>
To: Steven Rostedt <rost...@goodmis.org>
To: Andy Shevchenko <andriy.shevche...@linux.intel.com>
To: Rasmus Villemoes <li...@rasmusvillemoes.dk>
To: Sergey Senozhatsky <senozhat...@chromium.org>
Cc: linux-...@vger.kernel.org
Signed-off-by: Ira Weiny <ira.we...@intel.com>

---
[lkp: ensure phys_addr_t is within limits for all arch's]
---
 lib/test_printf.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/lib/test_printf.c b/lib/test_printf.c
index 8448b6d02bd9..5afdf5efc627 100644
--- a/lib/test_printf.c
+++ b/lib/test_printf.c
@@ -386,6 +386,50 @@ kernel_ptr(void)
 static void __init
 struct_resource(void)
 {
+       struct resource test_resource = {
+               .start = 0xc0ffee00,
+               .end = 0xc0ffee00,
+               .flags = IORESOURCE_MEM,
+       };
+
+       test("[mem 0xc0ffee00 flags 0x200]",
+            "%pr", &test_resource);
+
+       test_resource = (struct resource) {
+               .start = 0xc0ffee,
+               .end = 0xba5eba11,
+               .flags = IORESOURCE_MEM,
+       };
+       test("[mem 0x00c0ffee-0xba5eba11 flags 0x200]",
+            "%pr", &test_resource);
+
+       test_resource = (struct resource) {
+               .start = 0xba5eba11,
+               .end = 0xc0ffee,
+               .flags = IORESOURCE_MEM,
+       };
+       test("[mem 0xba5eba11-0x00c0ffee flags 0x200]",
+            "%pr", &test_resource);
+
+       test_resource = (struct resource) {
+               .start = 0xba5eba11,
+               .end = 0xba5eca11,
+               .flags = IORESOURCE_MEM,
+       };
+
+       test("[mem 0xba5eba11-0xba5eca11 flags 0x200]",
+            "%pr", &test_resource);
+
+       test_resource = (struct resource) {
+               .start = 0xba11,
+               .end = 0xca10,
+               .flags = IORESOURCE_IO |
+                        IORESOURCE_DISABLED |
+                        IORESOURCE_UNSET,
+       };
+
+       test("[io  size 0x1000 disabled]",
+            "%pR", &test_resource);
 }
 
 static void __init

-- 
2.46.0


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