From: Timur Tabi <timur@tabi.org>
To: Nicolin Chen <nicoleotsuka@gmail.com>
Cc: "Fabio.Estevam@freescale.com" <Fabio.Estevam@freescale.com>,
"Li.Xiubo@freescale.com" <Li.Xiubo@freescale.com>,
"alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
"broonie@kernel.org" <broonie@kernel.org>
Subject: Re: [PATCH] ASoC: fsl_ssi: Remove unneeded 'i2s-slave' property
Date: Fri, 19 Sep 2014 07:51:46 -0500 [thread overview]
Message-ID: <541C26E2.4060605@tabi.org> (raw)
In-Reply-To: <20140919041749.GA5840@Asurada>
Nicolin Chen wrote:
>> You can't just redefine a property, because that breaks backwards
>> >compatibility with older device trees or older kernels.
> Sorry, I'm not sure what's the problem here. It just drops i2s stuff
> and leave AC97 part as we discussed. Why would old DTs be broken?
> Is that possible for you to give me an example to understand the
> point?
If you have an older kernel with a newer device tree (that doesn't have
"i2s-mode"), the driver will fail to load because "i2s-mode" is missing.
next prev parent reply other threads:[~2014-09-19 12:51 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1411063877-1552-1-git-send-email-fabio.estevam@freescale.com>
[not found] ` <20140918183251.GE6432@Asurada>
[not found] ` <541B2678.8000401@tabi.org>
2014-09-18 18:46 ` [PATCH] ASoC: fsl_ssi: Remove unneeded 'i2s-slave' property Fabio.Estevam
2014-09-18 19:43 ` Nicolin Chen
2014-09-19 0:29 ` Timur Tabi
2014-09-19 4:17 ` Nicolin Chen
2014-09-19 12:51 ` Timur Tabi [this message]
2014-09-19 17:24 ` Nicolin Chen
2014-09-19 23:49 ` Timur Tabi
2014-09-20 18:07 ` Nicolin Chen
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