From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Kuo Subject: Re: [PATCH 2/3] hexagon: add memset_io() helper Date: Sat, 7 Apr 2018 20:31:30 -0500 Message-ID: <20180408013130.GC3036@codeaurora.org> References: <20180406142832.2243021-1-arnd@arndb.de> <20180406142832.2243021-2-arnd@arndb.de> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1523151094; bh=JyKA0vjaH1fz4X3kwAOWOIo63WtJ1DX/vgysBtyP1cc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=c+Fo8NT98Q5r12x5aQoqVDVaPajdW6145W2s7hGL4cj1/v7skliRzv5cwJd0Xpod3 WRby6XhCsoSFmWBQZ8vsMN3T8Iui0r85GqMkQoQN01GMVkKqoKUxNViEFaDyv76Rie MG0MOoPEHnkXlg7AtcfDF22aRpEYnBWgjgd8D+W8= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1523151094; bh=JyKA0vjaH1fz4X3kwAOWOIo63WtJ1DX/vgysBtyP1cc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=c+Fo8NT98Q5r12x5aQoqVDVaPajdW6145W2s7hGL4cj1/v7skliRzv5cwJd0Xpod3 WRby6XhCsoSFmWBQZ8vsMN3T8Iui0r85GqMkQoQN01GMVkKqoKUxNViEFaDyv76Rie MG0MOoPEHnkXlg7AtcfDF22aRpEYnBWgjgd8D+W8= Content-Disposition: inline In-Reply-To: <20180406142832.2243021-2-arnd@arndb.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Arnd Bergmann Cc: linux-hexagon@vger.kernel.org, linux-kernel@vger.kernel.org On Fri, Apr 06, 2018 at 04:28:22PM +0200, Arnd Bergmann wrote: > We already have memcpy_toio(), but not memset_io(), so let's > add the obvious version to allow building an allmodconfig kernel > without errors like > > drivers/gpu/drm/ttm/ttm_bo_util.c: In function 'ttm_bo_move_memcpy': > drivers/gpu/drm/ttm/ttm_bo_util.c:390:3: error: implicit declaration of function 'memset_io' [-Werror=implicit-function-declaration] > > Signed-off-by: Arnd Bergmann > --- > arch/hexagon/include/asm/io.h | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/arch/hexagon/include/asm/io.h b/arch/hexagon/include/asm/io.h > index 9e8621d94ee9..e17262ad125e 100644 > --- a/arch/hexagon/include/asm/io.h > +++ b/arch/hexagon/include/asm/io.h > @@ -216,6 +216,12 @@ static inline void memcpy_toio(volatile void __iomem *dst, const void *src, > memcpy((void *) dst, src, count); > } > > +static inline void memset_io(volatile void __iomem *addr, int value, > + size_t size) > +{ > + memset((void __force *)addr, value, size); > +} > + > #define PCI_IO_ADDR (volatile void __iomem *) > > /* Acked-by: Richard Kuo -- Employee of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project