From: Wolfram Sang <wsa@the-dreams.de>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Magnus Damm <magnus.damm@gmail.com>,
SH-Linux <linux-sh@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
Simon Horman <horms@verge.net.au>
Subject: Re: [PATCH 2/5] ARM: shmobile: r8a7791: add i2c master nodes to dtsi
Date: Mon, 17 Feb 2014 10:19:00 +0100 [thread overview]
Message-ID: <20140217091900.GD2633@katana> (raw)
In-Reply-To: <CAMuHMdW8MLknykkfu9XS5CDpuJcRNyPz+GV5bhUNGndxFacnQw@mail.gmail.com>
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> I think the tricky part is when a driver for "renesas,i2c-r8a7790" is updated
> with a new feature for r8a7790, which doesn't necessarily exist in r8a7791.
> Then the compatible entry above will cause breakage.
If the driver is updated in that way, then it MUST introduce an r8a7791
compatible entry and make sure the new feature is only used on r8a7790.
Otherwise it is a bug. If this is adhered, we won't have a breakage
because the specific entry (here r8a7791) always comes first. Or?
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next prev parent reply other threads:[~2014-02-17 9:19 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-16 9:40 [PATCH 0/5] enable i2c on koelsch-dt (and cleanup lager) Wolfram Sang
2014-02-16 9:40 ` [PATCH 1/5] ARM: shmobile: r8a7791: remove superfluous interrupt-parents Wolfram Sang
2014-02-16 9:40 ` [PATCH 2/5] ARM: shmobile: r8a7791: add i2c master nodes to dtsi Wolfram Sang
2014-02-17 7:54 ` Wolfram Sang
2014-02-17 8:02 ` Magnus Damm
2014-02-17 9:11 ` Geert Uytterhoeven
2014-02-17 9:19 ` Wolfram Sang [this message]
2014-02-17 9:23 ` Geert Uytterhoeven
2014-02-17 9:31 ` Wolfram Sang
2014-02-17 10:03 ` Magnus Damm
2014-02-17 10:08 ` Wolfram Sang
2014-02-17 10:11 ` Magnus Damm
2014-02-17 10:25 ` Wolfram Sang
2014-02-17 9:12 ` Wolfram Sang
2014-02-17 9:57 ` Magnus Damm
2014-02-16 9:40 ` [PATCH 3/5] ARM: shmobile: r8a7791: add i2c2 bus to koelsch dt Wolfram Sang
2014-02-16 9:40 ` [PATCH 4/5] ARM: shmobile: r8a7790: remove superfluous interrupt-parents Wolfram Sang
2014-02-16 9:40 ` [PATCH 5/5] ARM: shmobile: r8a7790: add i2c aliases to dtsi Wolfram Sang
2014-02-17 3:13 ` [PATCH 0/5] enable i2c on koelsch-dt (and cleanup lager) Magnus Damm
2014-02-17 3:19 ` Simon Horman
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