linux-kernel - Re: [PATCH 2/2] net: lan743x: fix building without CONFIG_PTP_1588

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Date:   Mon, 13 Aug 2018 20:44:20 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     arnd@...db.de
Cc:     bryan.whitehead@...rochip.com, UNGLinuxDriver@...rochip.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] net: lan743x: fix building without
 CONFIG_PTP_1588_CLOCK

From: Arnd Bergmann <arnd@...db.de>
Date: Mon, 13 Aug 2018 23:19:22 +0200

> Building without CONFIG_PTP_1588_CLOCK results in multiple failures,
> this was obviously not well tested:
 ...
> Those #ifdef checks are hard to get right, replace them all with
> IS_ENABLED() checks that leave the same code visible to the compiler
> but let it optimize out the unused bits based on the configuration.
> 
> Fixes: 07624df1c9ef ("lan743x: lan743x: Add PTP support")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Applied.