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    Subject[PATCH 4.17 186/336] EDAC, altera: Fix ARM64 build warning
    Date
    4.17-stable review patch.  If anyone has any objections, please let me know.

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

    From: Thor Thayer <thor.thayer@linux.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@intel.com>
    Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
    Cc: linux-arm-kernel@lists.infradead.org
    Cc: linux-edac <linux-edac@vger.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@suse.de>
    Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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
    @@ -1106,7 +1106,7 @@ 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 = {

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