linux-kernel - Re: [PATCH, RFC 04/22] staging/drm: imx: add missing dependencies

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Date:	Sat, 4 May 2013 20:35:56 +0800
From:	Shawn Guo <shawn.guo@...aro.org>
To:	Arnd Bergmann <arnd@...db.de>
CC:	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Philipp Zabel <p.zabel@...gutronix.de>
Subject: Re: [PATCH, RFC 04/22] staging/drm: imx: add missing dependencies

On Fri, May 03, 2013 at 05:21:37PM +0200, Arnd Bergmann wrote:
> On Friday 03 May 2013, Shawn Guo wrote:
> > On Thu, May 02, 2013 at 05:16:08PM +0200, Arnd Bergmann wrote:
> > > The imx DRM driver needs a couple of extra Kconfig dependencies
> > > to avoid random build failures:
> > > 
> > > drivers/staging/imx-drm/ipuv3-crtc.c:448:
> > >  undefined reference to `ipu_idmac_put'
> > >  drivers/staging/imx-drm/ipuv3-crtc.c:450: undefined reference to
> > >  `ipu_dmfc_put' drivers/staging/imx-drm/ipuv3-crtc.c:452:
> > >  undefined reference to `ipu_dp_put'
> > >  drivers/staging/imx-drm/ipuv3-crtc.c:454: undefined reference to
> > >  `ipu_di_put'
> > > drivers/built-in.o: In function `ipu_probe':
> > >  :(.text+0x4b4174): undefined reference to `device_reset'
> > > drivers/built-in.o: In function `imx_tve_probe':
> > >  drivers/staging/imx-drm/imx-tve.c:648: undefined reference to
> > >  `devm_regmap_init_mmio_clk'
> > > drivers/built-in.o: In function
> > >  `imx_pd_connector_get_modes':
> > 
> > >  drivers/staging/imx-drm/parallel-display.c:78: undefined
> > >  reference to `of_get_drm_display_mode'
> > 
> > There is a patch [1] from Marek fixing this one.
> > 
> > Shawn
> > 
> > [1] http://thread.gmane.org/gmane.linux.ports.arm.kernel/233449
> > 
> 
> That patch only addresses one of the four missing dependencies.
> I originally had four separate patches, but did not want to
> bother everyone with those so I combined them into one.

Yea, I agree we can address all of them in one patch.  But it seems
people agreed that there is a more correct way [1] to fix
of_get_drm_display_mode one, and that's how v2 of Marek's patch comes.

Shawn

[1] http://thread.gmane.org/gmane.linux.ports.arm.kernel/232861/focus=232898

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