linux-kernel - Re: sr9800: Use common error handling code in sr9800_phy

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Message-ID: <78748ef8-5d0d-f0e8-bce4-5e6f29c89089@users.sourceforge.net>
Date:   Sat, 4 Nov 2017 16:03:26 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>, netdev@...r.kernel.org,
        linux-usb@...r.kernel.org
Cc:     Bjørn Mork <bjorn@...k.no>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Ungerer <gerg@...ux-m68k.org>,
        Liu Junliang <liujunliang_ljl@....com>,
        Philippe Reynes <tremyfr@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: sr9800: Use common error handling code in sr9800_phy_powerup()

> If you play the "smaller executable object code" card, people expect that
> you provide the actual numbers, too.

I can offer another bit of information for this software development discussion.

The affected source file can be compiled for the processor architecture “x86_64”
by a tool like “GCC 6.4.1+r251631-1.3” from the software distribution
“openSUSE Tumbleweed” with the following command example.

my_cc=/usr/bin/gcc-6 \
&& my_module=drivers/net/usb/sr9800.ko \
&& git checkout next-20171009 \
&& make -j4 CC="${my_cc}" HOSTCC="${my_cc}" allmodconfig "${my_module}" \
&& size "${my_module}" \
&& git checkout ':/^sr9800: Use common error handling code in sr9800_phy_powerup' \
&& make -j4 CC="${my_cc}" HOSTCC="${my_cc}" allmodconfig "${my_module}" \
&& size "${my_module}"


Do you find the following details useful for further clarification?

text: -47
data: 0
bss:  0

Regards,
Markus