Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Subject: Re: Applied "ASoC: core: ensure component names are unique" to the
 asoc tree
To:     Marek Szyprowski <m.szyprowski@samsung.com>,
        Jerome Brunet <jbrunet@baylibre.com>,
        Mark Brown <broonie@kernel.org>
Cc:     alsa-devel@alsa-project.org, Liam Girdwood <lgirdwood@gmail.com>,
        linux-rpi-kernel <linux-rpi-kernel@lists.infradead.org>,
        linux-kernel@vger.kernel.org,
        Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
References: <applied-20200214134704.342501-1-jbrunet@baylibre.com>
 <CGME20200217121336eucas1p2deb35417f5c4646a89762fd6146c3cf9@eucas1p2.samsung.com>
 <f666e600-2b44-f1fa-7ccf-aa44da6b8979@samsung.com>
 <1jlfp1z70u.fsf@starbuckisacylon.baylibre.com>
 <20557448-d6d2-7584-e2ac-c46d337e1778@samsung.com>
From:   Stefan Wahren <stefan.wahren@i2se.com>
Openpgp: preference=signencrypt
Autocrypt: addr=stefan.wahren@i2se.com; keydata=
 xsFNBFt6gBMBEACub/pBevHxbvJefyZG32JINmn2bsEPX25V6fejmyYwmCGKjFtL/DoUMEVH
 DxCJ47BMXo344fHV1C3AnudgN1BehLoBtLHxmneCzgH3KcPtWW7ptj4GtJv9CQDZy27SKoEP
 xyaI8CF0ygRxJc72M9I9wmsPZ5bUHsLuYWMqQ7JcRmPs6D8gBkk+8/yngEyNExwxJpR1ylj5
 bjxWDHyYQvuJ5LzZKuO9LB3lXVsc4bqXEjc6VFuZFCCk/syio/Yhse8N+Qsx7MQagz4wKUkQ
 QbfXg1VqkTnAivXs42VnIkmu5gzIw/0tRJv50FRhHhxpyKAI8B8nhN8Qvx7MVkPc5vDfd3uG
 YW47JPhVQBcUwJwNk/49F9eAvg2mtMPFnFORkWURvP+G6FJfm6+CvOv7YfP1uewAi4ln+JO1
 g+gjVIWl/WJpy0nTipdfeH9dHkgSifQunYcucisMyoRbF955tCgkEY9EMEdY1t8iGDiCgX6s
 50LHbi3k453uacpxfQXSaAwPksl8MkCOsv2eEr4INCHYQDyZiclBuuCg8ENbR6AGVtZSPcQb
 enzSzKRZoO9CaqID+favLiB/dhzmHA+9bgIhmXfvXRLDZze8po1dyt3E1shXiddZPA8NuJVz
 EIt2lmI6V8pZDpn221rfKjivRQiaos54TgZjjMYI7nnJ7e6xzwARAQABzSlTdGVmYW4gV2Fo
 cmVuIDxzdGVmYW4ud2FocmVuQGluLXRlY2guY29tPsLBdwQTAQgAIQUCXIdehwIbAwULCQgH
 AgYVCAkKCwIEFgIDAQIeAQIXgAAKCRCUgewPEZDy2yHTD/9UF7QlDkGxzQ7AaCI6N95iQf8/
 1oSUaDNu2Y6IK+DzQpb1TbTOr3VJwwY8a3OWz5NLSOLMWeVxt+osMmlQIGubD3ODZJ8izPlG
 /JrNt5zSdmN5IA5f3esWWQVKvghZAgTDqdpv+ZHW2EmxnAJ1uLFXXeQd3UZcC5r3/g/vSaMo
 9xek3J5mNuDm71lEWsAs/BAcFc+ynLhxwBWBWwsvwR8bHtJ5DOMWvaKuDskpIGFUe/Kb2B+j
 ravQ3Tn6s/HqJM0cexSHz5pe+0sGvP+t9J7234BFQweFExriey8UIxOr4XAbaabSryYnU/zV
 H9U1i2AIQZMWJAevCvVgQ/U+NeRhXude9YUmDMDo2sB2VAFEAqiF2QUHPA2m8a7EO3yfL4rM
 k0iHzLIKvh6/rH8QCY8i3XxTNL9iCLzBWu/NOnCAbS+zlvLZaiSMh5EfuxTtv4PlVdEjf62P
 +ZHID16gUDwEmazLAMrx666jH5kuUCTVymbL0TvB+6L6ARl8ANyM4ADmkWkpyM22kCuISYAE
 fQR3uWXZ9YgxaPMqbV+wBrhJg4HaN6C6xTqGv3r4B2aqb77/CVoRJ1Z9cpHCwiOzIaAmvyzP
 U6MxCDXZ8FgYlT4v23G5imJP2zgX5s+F6ACUJ9UQPD0uTf+J9Da2r+skh/sWOnZ+ycoHNBQv
 ocZENAHQf87BTQRbeoATARAA2Hd0fsDVK72RLSDHby0OhgDcDlVBM2M+hYYpO3fX1r++shiq
 PKCHVAsQ5bxe7HmJimHa4KKYs2kv/mlt/CauCJ//pmcycBM7GvwnKzmuXzuAGmVTZC6WR5Lk
 akFrtHOzVmsEGpNv5Rc9l6HYFpLkbSkVi5SPQZJy+EMgMCFgjrZfVF6yotwE1af7HNtMhNPa
 LDN1oUKF5j+RyRg5iwJuCDknHjwBQV4pgw2/5vS8A7ZQv2MbW/TLEypKXif78IhgAzXtE2Xr
 M1n/o6ZH71oRFFKOz42lFdzdrSX0YsqXgHCX5gItLfqzj1psMa9o1eiNTEm1dVQrTqnys0l1
 8oalRNswYlQmnYBwpwCkaTHLMHwKfGBbo5dLPEshtVowI6nsgqLTyQHmqHYqUZYIpigmmC3S
 wBWY1V6ffUEmkqpAACEnL4/gUgn7yQ/5d0seqnAq2pSBHMUUoCcTzEQUWVkiDv3Rk7hTFmhT
 sMq78xv2XRsXMR6yQhSTPFZCYDUExElEsSo9FWHWr6zHyYcc8qDLFvG9FPhmQuT2s9Blx6gI
 323GnEq1lwWPJVzP4jQkJKIAXwFpv+W8CWLqzDWOvdlrDaTaVMscFTeH5W6Uprl65jqFQGMp
 cRGCs8GCUW13H0IyOtQtwWXA4ny+SL81pviAmaSXU8laKaRu91VOVaF9f4sAEQEAAcLBXwQY
 AQIACQUCW3qAEwIbDAAKCRCUgewPEZDy2+oXD/9cHHRkBZOfkmSq14Svx062PtU0KV470TSn
 p/jWoYJnKIw3G0mXIRgrtH2dPwpIgVjsYyRSVMKmSpt5ZrDf9NtTbNWgk8VoLeZzYEo+J3oP
 qFrTMs3aYYv7e4+JK695YnmQ+mOD9nia915tr5AZj95UfSTlyUmyic1d8ovsf1fP7XCUVRFc
 RjfNfDF1oL/pDgMP5GZ2OwaTejmyCuHjM8IR1CiavBpYDmBnTYk7Pthy6atWvYl0fy/CqajT
 Ksx7+p9xziu8ZfVX+iKBCc+He+EDEdGIDhvNZ/IQHfOB2PUXWGS+s9FNTxr/A6nLGXnA9Y6w
 93iPdYIwxS7KXLoKJee10DjlzsYsRflFOW0ZOiSihICXiQV1uqM6tzFG9gtRcius5UAthWaO
 1OwUSCQmfCOm4fvMIJIA9rxtoS6OqRQciF3crmo0rJCtN2awZfgi8XEif7d6hjv0EKM9XZoi
 AZYZD+/iLm5TaKWN6oGIti0VjJv8ZZOZOfCb6vqFIkJW+aOu4orTLFMz28aoU3QyWpNC8FFm
 dYsVua8s6gN1NIa6y3qa/ZB8bA/iky59AEz4iDIRrgUzMEg8Ak7Tfm1KiYeiTtBDCo25BvXj
 bqsyxkQD1nkRm6FAVzEuOPIe8JuqW2xD9ixGYvjU5hkRgJp3gP5b+cnG3LPqquQ2E6goKUML AQ==
Message-ID: <feb041d5-ed81-31fd-aa6a-23a902624f57@i2se.com>
Date:   Mon, 17 Feb 2020 18:23:21 +0100
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101
 Thunderbird/60.9.0
MIME-Version: 1.0
In-Reply-To: <20557448-d6d2-7584-e2ac-c46d337e1778@samsung.com>
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8BIT
Content-Language: en-US
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Am 17.02.20 um 15:36 schrieb Marek Szyprowski:
> Hi Jerome,
>
> On 17.02.2020 14:18, Jerome Brunet wrote:
>> On Mon 17 Feb 2020 at 13:13, Marek Szyprowski <m.szyprowski@samsung.com> wrote:
>>> On 14.02.2020 21:56, Mark Brown wrote:
>>>> Thanks,
>>>> Mark
>>>>
>>>>   From b2354e4009a773c00054b964d937e1b81cb92078 Mon Sep 17 00:00:00 2001
>>>> From: Jerome Brunet <jbrunet@baylibre.com>
>>>> Date: Fri, 14 Feb 2020 14:47:04 +0100
>>>> Subject: [PATCH] ASoC: core: ensure component names are unique
>>>>
>>>> Make sure each ASoC component is registered with a unique name.
>>>> The component is derived from the device name. If a device registers more
>>>> than one component, the component names will be the same.
>>>>
>>>> This usually brings up a warning about the debugfs directory creation of
>>>> the component since directory already exists.
>>>>
>>>> In such case, start numbering the component of the device so the names
>>>> don't collide anymore.
>>>>
>>>> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
>>>> Link: https://lore.kernel.org/r/20200214134704.342501-1-jbrunet@baylibre.com
>>>> Signed-off-by: Mark Brown <broonie@kernel.org>
>>> This patch landed in today's linux-next and I've noticed that it breaks
>>> registration of VC4 DRM driver on Raspberry Pi3 boards (I've compiled
>>> kernel from bcm2835_defconfig):
>> I think I have an idea about what is going on. (good catch in the defer BTW)
>>
>> 1) Funny to see that the vc4-hdmi already registers several (3) ASoC
>> components. It must have had warning about the debugfs entry before this patch.
> Okay, right, before this patch there is a warning from debugfs I've 
> missed (debugfs was not enabled in bcm2835_defconfig):

This is unintended. I've seen patches which restored DEBUG_FS support
because of this commit:

0e4a459f56c32d tracing: Remove unnecessary DEBUG_FS dependency

Best regards
Stefan