linux-kernel - Re: [PATCH] staging/media: make atomisp vlv2_plat

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Message-ID: <20170414155726.GX16239@windriver.com>
Date:   Fri, 14 Apr 2017 11:57:27 -0400
From:   Paul Gortmaker <paul.gortmaker@...driver.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     <linux-kernel@...r.kernel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Alan Cox <alan@...ux.intel.com>, <linux-media@...r.kernel.org>,
        <devel@...verdev.osuosl.org>
Subject: Re: [PATCH] staging/media: make atomisp vlv2_plat_clock explicitly
 non-modular

[Re: [PATCH] staging/media: make atomisp vlv2_plat_clock explicitly non-modular] On 14/04/2017 (Fri 10:12) Greg Kroah-Hartman wrote:

> On Wed, Apr 12, 2017 at 09:57:55PM -0400, Paul Gortmaker wrote:
> > The Makefile / Kconfig currently controlling compilation of this code is:
> > 
> > clock/Makefile:obj-$(CONFIG_INTEL_ATOMISP)     += vlv2_plat_clock.o
> > 
> > atomisp/Kconfig:menuconfig INTEL_ATOMISP
> > atomisp/Kconfig:        bool "Enable support to Intel MIPI camera drivers"
> > 
> > ...meaning that it currently is not being built as a module by anyone.

[...]

> I'm pretty sure we want this code to be built as a module, so maybe a
> Kconfig change would resolve the issue instead?

As always, I'm good with things being moved to tristate if there is a use case
for it.  I will note that in this case however, that the above Kconfig option
is not specific to this file/driver.  It is controlling the inclusion of
several dirs/files, and so a more fine grained Kconfig may be required if some
are to be built-in and some are to be tristate...

P.

~/git/linux-head/drivers/staging/media/atomisp$ git grep 'obj.*INTEL_ATOMISP'
Makefile:obj-$(CONFIG_INTEL_ATOMISP) += pci/
Makefile:obj-$(CONFIG_INTEL_ATOMISP) += i2c/
Makefile:obj-$(CONFIG_INTEL_ATOMISP) += platform/
platform/Makefile:obj-$(CONFIG_INTEL_ATOMISP) += clock/
platform/Makefile:obj-$(CONFIG_INTEL_ATOMISP) += intel-mid/
platform/clock/Makefile:obj-$(CONFIG_INTEL_ATOMISP)     += vlv2_plat_clock.o
platform/clock/Makefile:obj-$(CONFIG_INTEL_ATOMISP)     += platform_vlv2_plat_clk.o
platform/intel-mid/Makefile:obj-$(CONFIG_INTEL_ATOMISP) += intel_mid_pcihelpers.o
platform/intel-mid/Makefile:obj-$(CONFIG_INTEL_ATOMISP) += atomisp_gmin_platform.o

> 
> Alan, any thoughts?
> 
> thanks,
> 
> greg k-h