Fixing "int-to-pointer-cast" warning in J2 code

Hi!

When building j2_defconfig, the following warning is issued:

arch/sh/kernel/cpu/sh2/probe.c: In function 'scan_cache':
arch/sh/kernel/cpu/sh2/probe.c:24:16: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
   24 |  j2_ccr_base = (u32 __iomem *)of_flat_dt_translate_address(node);
      |

Reading the code and look how other users of of_flat_dt_translate_address()
used the return code, I came up with the following patch which fixes the issue:

diff --git a/arch/sh/kernel/cpu/sh2/probe.c b/arch/sh/kernel/cpu/sh2/probe.c
index d342ea08843f..a0dc3675fc68 100644
--- a/arch/sh/kernel/cpu/sh2/probe.c
+++ b/arch/sh/kernel/cpu/sh2/probe.c
@@ -14,14 +14,14 @@
 #include <asm/cache.h>
 
 #if defined(CONFIG_CPU_J2)
-extern u32 __iomem *j2_ccr_base;
+extern phys_addr_t j2_ccr_base;
 static int __init scan_cache(unsigned long node, const char *uname,
                             int depth, void *data)
 {
        if (!of_flat_dt_is_compatible(node, "jcore,cache"))
                return 0;
 
-       j2_ccr_base = (u32 __iomem *)of_flat_dt_translate_address(node);
+       j2_ccr_base = of_flat_dt_translate_address(node);
 
        return 1;
 }
diff --git a/arch/sh/mm/cache-j2.c b/arch/sh/mm/cache-j2.c
index f277862a11f5..2bc6d38d6f7c 100644
--- a/arch/sh/mm/cache-j2.c
+++ b/arch/sh/mm/cache-j2.c
@@ -22,7 +22,7 @@
 #define DCACHE_FLUSH   0x200
 #define CACHE_FLUSH    (ICACHE_FLUSH | DCACHE_FLUSH)
 
-u32 __iomem *j2_ccr_base;
+phys_addr_t j2_ccr_base;
 
 static void j2_flush_icache(void *args)
 {

Does that look reasonable?

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer
`. `'   Physicist
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