linux-kernel - Re: [PATCH] iommu/renesas: fix unused-function warning

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Message-ID: <20200513085850.GG9820@8bytes.org>
Date:   Wed, 13 May 2020 10:58:50 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Joerg Roedel <jroedel@...e.de>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Will Deacon <will@...nel.org>,
        Simon Horman <horms+renesas@...ge.net.au>,
        Robin Murphy <robin.murphy@....com>,
        Hai Nguyen Pham <hai.pham.ud@...esas.com>,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iommu/renesas: fix unused-function warning

On Sat, May 09, 2020 at 12:02:16AM +0200, Arnd Bergmann wrote:
> gcc warns because the only reference to ipmmu_find_group
> is inside of an #ifdef:
> 
> drivers/iommu/ipmmu-vmsa.c:878:28: error: 'ipmmu_find_group' defined but not used [-Werror=unused-function]
> 
> Change the #ifdef to an equivalent IS_ENABLED().
> 
> Fixes: 6580c8a78424 ("iommu/renesas: Convert to probe/release_device() call-backs")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  drivers/iommu/ipmmu-vmsa.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)

Applied, thanks.