linux-kernel - [PATCH 3.18 088/120] arch/hexagon: fix kernel/dma.c build warning

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Message-Id: <20181011152553.453918143@linuxfoundation.org>
Date:   Thu, 11 Oct 2018 17:34:29 +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, Randy Dunlap <rdunlap@...radead.org>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>, linux-sh@...r.kernel.org,
        Richard Kuo <rkuo@...eaurora.org>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 3.18 088/120] arch/hexagon: fix kernel/dma.c build warning

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

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

From: Randy Dunlap <rdunlap@...radead.org>

[ Upstream commit 200f351e27f014fcbf69b544b0b4b72aeaf45fd3 ]

Fix build warning in arch/hexagon/kernel/dma.c by casting a void *
to unsigned long to match the function parameter type.

../arch/hexagon/kernel/dma.c: In function 'arch_dma_alloc':
../arch/hexagon/kernel/dma.c:51:5: warning: passing argument 2 of 'gen_pool_add' makes integer from pointer without a cast [enabled by default]
../include/linux/genalloc.h:112:19: note: expected 'long unsigned int' but argument is of type 'void *'

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp>
Cc: Rich Felker <dalias@...c.org>
Cc: linux-sh@...r.kernel.org
Patch-mainline: linux-kernel @ 07/20/2018, 20:17
[rkuo@...eaurora.org: fixed architecture name]
Signed-off-by: Richard Kuo <rkuo@...eaurora.org>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/hexagon/kernel/dma.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/hexagon/kernel/dma.c
+++ b/arch/hexagon/kernel/dma.c
@@ -79,7 +79,7 @@ static void *hexagon_dma_alloc_coherent(
 			panic("Can't create %s() memory pool!", __func__);
 		else
 			gen_pool_add(coherent_pool,
-				pfn_to_virt(max_low_pfn),
+				(unsigned long)pfn_to_virt(max_low_pfn),
 				hexagon_coherent_pool_size, -1);
 	}