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Message-ID: <20180723225025.GC12771@codeaurora.org>
Date:   Mon, 23 Jul 2018 17:50:25 -0500
From:   Richard Kuo <rkuo@...eaurora.org>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     LKML <linux-kernel@...r.kernel.org>, linux-hexagon@...r.kernel.org,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: Re: [PATCH v2] hexagon: modify ffs() and fls() to return int

On Sun, Jul 22, 2018 at 04:03:58PM -0700, Randy Dunlap wrote:
> From: Randy Dunlap <rdunlap@...radead.org>
> 
> Building drivers/mtd/nand/raw/nandsim.c on arch/hexagon/ produces a
> printk format build warning.  This is due to hexagon's ffs() being
> coded as returning long instead of int.
> 
> Fix the printk format warning by changing all of hexagon's ffs() and
> fls() functions to return int instead of long.  The variables that
> they return are already int instead of long.  This return type
> matches the return type in <asm-generic/bitops/>.
> 
> ../drivers/mtd/nand/raw/nandsim.c: In function 'init_nandsim':
> ../drivers/mtd/nand/raw/nandsim.c:760:2: warning: format '%u' expects argument of type 'unsigned int', but argument 2 has type 'long int' [-Wformat]
> 
> There are no ffs() or fls() allmodconfig build errors after making this
> change.
> 
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Cc: Richard Kuo <rkuo@...eaurora.org>
> Cc: linux-hexagon@...r.kernel.org
> Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
> ---
> v2:
> add hexagon contacts, drop erroneous sh contacts; [thanks, Geert]
> only change return type for ffs() and fls() [thanks, Geert]
>   [drop the changes for ffz(), __ffs(), and __fls()]
> 
>  arch/hexagon/include/asm/bitops.h |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 


Acked-by: Richard Kuo <rkuo@...eaurora.org>

-- 
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, 
a Linux Foundation Collaborative Project

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