Re: [PATCH v6 2/2] media: V3s: Add support for Allwinner CSI.

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Hi Maxime,

On Fri, 26 Jan 2018 09:46:58 +0800
Yong <yong.deng@xxxxxxxxxxxx> wrote:

> Hi Maxime,
> 
> Do you have any experience in solving this problem?
> It seems the PHYS_OFFSET maybe undeclared when the ARCH is not arm.

Got it.
Should I add 'depends on ARM' in Kconfig?

> 
> On Fri, 26 Jan 2018 08:04:18 +0800
> kbuild test robot <lkp@xxxxxxxxx> wrote:
> 
> > Hi Yong,
> > 
> > I love your patch! Yet something to improve:
> > 
> > [auto build test ERROR on linuxtv-media/master]
> > [also build test ERROR on v4.15-rc9 next-20180119]
> > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> > 
> > url:    https://github.com/0day-ci/linux/commits/Yong-Deng/dt-bindings-media-Add-Allwinner-V3s-Camera-Sensor-Interface-CSI/20180126-054511
> > base:   git://linuxtv.org/media_tree.git master
> > config: i386-allmodconfig (attached as .config)
> > compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025
> > reproduce:
> >         # save the attached .config to linux build tree
> >         make ARCH=i386 
> > 
> > All errors (new ones prefixed by >>):
> > 
> >    drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c: In function 'sun6i_csi_update_buf_addr':
> > >> drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c:567:31: error: 'PHYS_OFFSET' undeclared (first use in this function); did you mean 'PAGE_OFFSET'?
> >      dma_addr_t bus_addr = addr - PHYS_OFFSET;
> >                                   ^~~~~~~~~~~
> >                                   PAGE_OFFSET
> >    drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c:567:31: note: each undeclared identifier is reported only once for each function it appears in
> > 
> > vim +567 drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
> > 
> >    562	
> >    563	void sun6i_csi_update_buf_addr(struct sun6i_csi *csi, dma_addr_t addr)
> >    564	{
> >    565		struct sun6i_csi_dev *sdev = sun6i_csi_to_dev(csi);
> >    566		/* transform physical address to bus address */
> >  > 567		dma_addr_t bus_addr = addr - PHYS_OFFSET;
> >    568	
> >    569		regmap_write(sdev->regmap, CSI_CH_F0_BUFA_REG,
> >    570			     (bus_addr + sdev->planar_offset[0]) >> 2);
> >    571		if (sdev->planar_offset[1] != -1)
> >    572			regmap_write(sdev->regmap, CSI_CH_F1_BUFA_REG,
> >    573				     (bus_addr + sdev->planar_offset[1]) >> 2);
> >    574		if (sdev->planar_offset[2] != -1)
> >    575			regmap_write(sdev->regmap, CSI_CH_F2_BUFA_REG,
> >    576				     (bus_addr + sdev->planar_offset[2]) >> 2);
> >    577	}
> >    578	
> > 
> > ---
> > 0-DAY kernel test infrastructure                Open Source Technology Center
> > https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
> 
> 
> Thanks,
> Yong


Thanks,
Yong
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