linux-kernel - Re: [PATCH 2/2] pwm: Enable compile testing for some of drivers

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Message-ID: <20200107121512.GA319@pi3>
Date:   Tue, 7 Jan 2020 13:15:12 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
Cc:     linux-pwm@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Richard Weinberger <richard@....at>,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        Thierry Reding <thierry.reding@...il.com>,
        bcm-kernel-feedback-list@...adcom.com,
        linux-rpi-kernel@...ts.infradead.org, kernel@...gutronix.de,
        linux-tegra@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        linux-riscv@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/2] pwm: Enable compile testing for some of drivers

On Tue, Jan 07, 2020 at 01:09:26PM +0100, Uwe Kleine-König wrote:
> > > (Oh, HAS_DMA is defined using "depends on !NO_DMA" + "default y".
> > > NO_DMA has three different definitions. Two of them (in
> > > drivers/crypto/ccree/cc_hw_queue_defs.h and arch/arm/include/asm/dma.h)
> > > unrelated.)
> > 
> > Yes, HAS_DMA is the second missing piece for UM.
> 
> So something like:
> 
> 	# Usermode linux doesn't provide HAS_DMA and HAS_IOMEM.  To not have to
> 	# clutter most dependencies with these just exclude UML from compile
> 	# testing.
> 
> as comment for COMPILE_TEST's depend line should be fine, right?
> 

I think yes.

Best regards,
Krzysztof