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    Subject[PATCH AUTOSEL 4.14 099/186] ALSA: sh: Fix compile warning wrt const
    Date
    From: Takashi Iwai <tiwai@suse.de>

    [ Upstream commit f1dd4795b1523fbca7ab4344dd5a8bb439cc770d ]

    A long-standing compile warning was seen during build test:
    sound/sh/aica.c: In function 'load_aica_firmware':
    sound/sh/aica.c:521:25: warning: passing argument 2 of 'spu_memload' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]

    Fixes: 198de43d758c ("[ALSA] Add ALSA support for the SEGA Dreamcast PCM device")
    Link: https://lore.kernel.org/r/20200105144823.29547-69-tiwai@suse.de
    Signed-off-by: Takashi Iwai <tiwai@suse.de>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    sound/sh/aica.c | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    diff --git a/sound/sh/aica.c b/sound/sh/aica.c
    index fdc680ae8aa09..d9acf551a8985 100644
    --- a/sound/sh/aica.c
    +++ b/sound/sh/aica.c
    @@ -117,10 +117,10 @@ static void spu_memset(u32 toi, u32 what, int length)
    }

    /* spu_memload - write to SPU address space */
    -static void spu_memload(u32 toi, void *from, int length)
    +static void spu_memload(u32 toi, const void *from, int length)
    {
    unsigned long flags;
    - u32 *froml = from;
    + const u32 *froml = from;
    u32 __iomem *to = (u32 __iomem *) (SPU_MEMORY_BASE + toi);
    int i;
    u32 val;
    --
    2.20.1
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