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From: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
To: "Luis R. Rodriguez" <mcgrof@kernel.org>
Cc: gregkh@linuxfoundation.org, akpm@linux-foundation.org,
	keescook@chromium.org, josh@joshtriplett.org, maco@android.com,
	andy.gross@linaro.org, david.brown@linaro.org,
	bjorn.andersson@linaro.org, teg@jklm.no, wagi@monom.org,
	hdegoede@redhat.com, andresx7@gmail.com,
	zohar@linux.vnet.ibm.com, kubakici@wp.pl, shuah@kernel.org,
	mfuzzey@parkeon.com, dhowells@redhat.com, pali.rohar@gmail.com,
	tiwai@suse.de, kvalo@codeaurora.org,
	arend.vanspriel@broadcom.com, zajec5@gmail.com, nbroeking@me.com,
	markivx@codeaurora.org, broonie@kernel.org,
	dmitry.torokhov@gmail.com, dwmw2@infradead.org,
	torvalds@linux-foundation.org, Abhay_Salunke@dell.com,
	jewalt@lgsinnovations.com, oneukum@suse.com,
	cantabile.desu@gmail.com, ast@fb.com, hare@suse.com,
	jejb@linux.vnet.ibm.com, martin.petersen@oracle.com,
	khc@pm.waw.pl, davem@davemloft.net, arve@android.com,
	tkjos@android.com, corbet@lwn.net, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-scsi@vger.kernel.org,
	linux-wireless@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH v6 13/13] Documentation: clarify firmware_class provenance and why we can't rename the module
Date: Wed, 9 May 2018 10:21:08 -0300	[thread overview]
Message-ID: <20180509102108.7049f7a9@vento.lan> (raw)
In-Reply-To: <20180508181247.19431-14-mcgrof@kernel.org>

Em Tue,  8 May 2018 11:12:47 -0700
"Luis R. Rodriguez" <mcgrof@kernel.org> escreveu:

> Clarify the provenance of the firmware loader firmware_class module name
> and why we cannot rename the module in the future.
> 
> Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
> ---
>  .../driver-api/firmware/fallback-mechanisms.rst          | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/driver-api/firmware/fallback-mechanisms.rst b/Documentation/driver-api/firmware/fallback-mechanisms.rst
> index a39323ef7d29..a8047be4a96e 100644
> --- a/Documentation/driver-api/firmware/fallback-mechanisms.rst
> +++ b/Documentation/driver-api/firmware/fallback-mechanisms.rst
> @@ -72,9 +72,12 @@ the firmware requested, and establishes it in the device hierarchy by
>  associating the device used to make the request as the device's parent.
>  The sysfs directory's file attributes are defined and controlled through
>  the new device's class (firmware_class) and group (fw_dev_attr_groups).
> -This is actually where the original firmware_class.c file name comes from,
> -as originally the only firmware loading mechanism available was the
> -mechanism we now use as a fallback mechanism.
> +This is actually where the original firmware_class module name came from,
> +given that originally the only firmware loading mechanism available was the
> +mechanism we now use as a fallback mechanism, which which registers a
> +struct class firmware_class. Because the attributes exposed are part of the
> +module name, the module name firmware_class cannot be renamed in the future, to
> +ensure backward compatibilty with old userspace.

Ah, now the explanation makes a lot more sense to me :-)

Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

>  
>  To load firmware using the sysfs interface we expose a loading indicator,
>  and a file upload firmware into:



Thanks,
Mauro

  parent reply	other threads:[~2018-05-09 13:21 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-08 18:12 [PATCH v6 00/13] firmware_loader changes for v4.18 Luis R. Rodriguez
2018-05-08 18:12 ` [PATCH v6 01/13] firmware: wrap FW_OPT_* into an enum Luis R. Rodriguez
2018-05-08 18:12 ` [PATCH v6 02/13] firmware: use () to terminate kernel-doc function names Luis R. Rodriguez
2018-05-08 18:12 ` [PATCH v6 03/13] firmware: rename fw_sysfs_fallback to firmware_fallback_sysfs() Luis R. Rodriguez
2018-05-08 18:12 ` [PATCH v6 04/13] firmware_loader: document firmware_sysfs_fallback() Luis R. Rodriguez
2018-05-08 18:12 ` [PATCH v6 05/13] firmware_loader: enhance Kconfig documentation over FW_LOADER Luis R. Rodriguez
2018-05-08 22:42   ` Kees Cook
2018-05-09 20:55     ` Luis R. Rodriguez
2018-05-09 23:01       ` Kees Cook
2018-05-08 18:12 ` [PATCH v6 06/13] firmware_loader: move kconfig FW_LOADER entries to its own file Luis R. Rodriguez
2018-05-08 18:12 ` [PATCH v6 07/13] firmware_loader: make firmware_fallback_sysfs() print more useful Luis R. Rodriguez
2018-05-08 18:12 ` [PATCH v6 08/13] firmware: add firmware_request_nowarn() - load firmware without warnings Luis R. Rodriguez
2018-05-08 18:12 ` [PATCH v6 09/13] ath10k: use firmware_request_nowarn() to load firmware Luis R. Rodriguez
2018-05-08 18:12 ` [PATCH v6 10/13] ath10k: re-enable the firmware fallback mechanism for testmode Luis R. Rodriguez
2018-05-08 18:12 ` [PATCH v6 11/13] Documentation: fix few typos and clarifications for the firmware loader Luis R. Rodriguez
2018-05-08 18:12 ` [PATCH v6 12/13] Documentation: remove stale firmware API reference Luis R. Rodriguez
2018-05-09 15:12   ` Mauro Carvalho Chehab
2018-05-09 19:43     ` Luis R. Rodriguez
2018-05-08 18:12 ` [PATCH v6 13/13] Documentation: clarify firmware_class provenance and why we can't rename the module Luis R. Rodriguez
2018-05-08 18:53   ` Andres Rodriguez
2018-05-09 13:21   ` Mauro Carvalho Chehab [this message]
2018-05-08 22:45 ` [PATCH v6 00/13] firmware_loader changes for v4.18 Kees Cook

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