linux-kernel - [PATCH 4.9 087/144] EDAC, altera: Fix ARM64 build warning

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Date:   Wed,  1 Aug 2018 18:51:54 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, kbuild test robot <lkp@...el.com>,
        Thor Thayer <thor.thayer@...ux.intel.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-edac <linux-edac@...r.kernel.org>,
        Borislav Petkov <bp@...e.de>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.9 087/144] EDAC, altera: Fix ARM64 build warning

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Thor Thayer <thor.thayer@...ux.intel.com>

[ Upstream commit 9ef20753e044f7468c4113e5aecd785419b0b3cc ]

The kbuild test robot reported the following warning:

  drivers/edac/altera_edac.c: In function 'ocram_free_mem':
  drivers/edac/altera_edac.c:1410:42: warning: cast from pointer to integer
	of different size [-Wpointer-to-int-cast]
    gen_pool_free((struct gen_pool *)other, (u32)p, size);
                                             ^

After adding support for ARM64 architectures, the unsigned long
parameter is 64 bits and causes a build warning on 64-bit configs. Fix
by casting to the correct size (unsigned long) instead of u32.

Reported-by: kbuild test robot <lkp@...el.com>
Signed-off-by: Thor Thayer <thor.thayer@...ux.intel.com>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-edac <linux-edac@...r.kernel.org>
Fixes: c3eea1942a16 ("EDAC, altera: Add Altera L2 cache and OCRAM support")
Link: http://lkml.kernel.org/r/1526317441-4996-1-git-send-email-thor.thayer@linux.intel.com
Signed-off-by: Borislav Petkov <bp@...e.de>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/edac/altera_edac.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/edac/altera_edac.c
+++ b/drivers/edac/altera_edac.c
@@ -1111,7 +1111,7 @@ static void *ocram_alloc_mem(size_t size
 
 static void ocram_free_mem(void *p, size_t size, void *other)
 {
-	gen_pool_free((struct gen_pool *)other, (u32)p, size);
+	gen_pool_free((struct gen_pool *)other, (unsigned long)p, size);
 }
 
 static const struct edac_device_prv_data ocramecc_data = {