linux-kernel - Re: [PATCH leds v2 03/50] leds: fsg: compile if COMPILE

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Date:   Sat, 19 Sep 2020 11:56:16 +0200
From:   Pavel Machek <pavel@....cz>
To:     Marek Behún <marek.behun@....cz>
Cc:     linux-leds@...r.kernel.org, Dan Murphy <dmurphy@...com>,
        Ondřej Jirman <megous@...ous.com>,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        devicetree@...r.kernel.org, Rod Whitby <rod@...tby.id.au>
Subject: Re: [PATCH leds v2 03/50] leds: fsg: compile if COMPILE_TEST=y

On Fri 2020-09-18 00:32:51, Marek Behún wrote:
> This driver can be compiled on other platforms with small change if
> COMPILE_TEST=y.
> 
> Signed-off-by: Marek Behún <marek.behun@....cz>

> +++ b/drivers/leds/leds-fsg.c
> @@ -16,7 +16,13 @@
>  #include <linux/leds.h>
>  #include <linux/module.h>
>  #include <linux/io.h>
> +
> +#if IS_ENABLED(MACH_FSG)
>  #include <mach/hardware.h>
> +#else
> +/* for COMPILE_TEST */
> +#define IXP4XX_EXP_BUS_BASE(x) (0x12345678 + (x))
> +#endif

This is _way_ too ugly and I'd have to read the driver to understand
what prevents it from using this address and corrupting something, somewhere.

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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