linux-kernel - Re: [PATCH] net: phy: sfp: Do not use "imply HWMON"

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Message-Id: <20180721.192733.1246311779113396139.davem@davemloft.net>
Date:   Sat, 21 Jul 2018 19:27:33 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     linux@...ck-us.net
Cc:     andrew@...n.ch, f.fainelli@...il.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: phy: sfp: Do not use "imply HWMON"

From: Guenter Roeck <linux@...ck-us.net>
Date: Thu, 19 Jul 2018 09:41:39 -0700

> "imply HWMON" was supposed to ensure that the SFP phy code can be built
> with HWMON enabled or disabled while at the same time ensuring that
> HWMON is not built as module if SFP is built into the kernel.
> Unfortunately, that does not work as intended. With "allmodconfig", it
> results in several unrelated HWMON drivers to be disabled instead of
> being built as module as expected.
> 
> Let's use the old "depends on HWMON || HWMON=n" instead. This is slightly
> different (it enforces SFP to be built as module if HWMON is built as
> module), but it is better than the alternative of using "IS_REACHABLE()"
> in the driver since that would disable sensor support if HWMON is built
> as module and SFP is built into the kernel.
> 
> Fixes: 1323061a018a ("net: phy: sfp: Add HWMON support for module sensors")
> Cc: Andrew Lunn <andrew@...n.ch>
> Signed-off-by: Guenter Roeck <linux@...ck-us.net>

Applied, thanks.