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From: Scott Branden <scott.branden@broadcom.com>
To: Luis Chamberlain <mcgrof@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: David Brown <david.brown@linaro.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Shuah Khan <shuah@kernel.org>,
	bjorn.andersson@linaro.org,
	Shuah Khan <skhan@linuxfoundation.org>,
	Arnd Bergmann <arnd@arndb.de>,
	"Rafael J . Wysocki" <rafael@kernel.org>,
	linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-fsdevel@vger.kernel.org,
	BCM Kernel Feedback <bcm-kernel-feedback-list@broadcom.com>,
	Olof Johansson <olof@lixom.net>,
	Andrew Morton <akpm@linux-foundation.org>,
	Dan Carpenter <dan.carpenter@oracle.com>,
	Colin Ian King <colin.king@canonical.com>,
	Kees Cook <keescook@chromium.org>, Takashi Iwai <tiwai@suse.de>,
	linux-kselftest@vger.kernel.org, Andy Gross <agross@kernel.org>,
	Desmond Yan <desmond.yan@broadcom.com>,
	James Hu <james.hu@broadcom.com>
Subject: Re: [PATCH v5 6/7] misc: bcm-vk: add Broadcom VK driver
Date: Wed, 13 May 2020 11:39:30 -0700	[thread overview]
Message-ID: <2eaa3047-4833-8d1c-d8c7-fc602468eae3@broadcom.com> (raw)
In-Reply-To: <20200513123033.GL11244@42.do-not-panic.com>

Thanks for link.

On 2020-05-13 5:30 a.m., Luis Chamberlain wrote:
> On Wed, May 13, 2020 at 08:50:46AM +0200, Greg Kroah-Hartman wrote:
>> On Tue, May 12, 2020 at 11:31:28PM -0700, Scott Branden wrote:
>>
>> That's not how kernel drivers in the tree work, sorry.  They do not
>> contain "older kernel support" in them, they work as a whole with the
>> rest of the kernel they ship with only.
>>
>> Otherwise all drivers would be a total mess over time, can you imagine
>> doing this for the next 20+ years?  Not maintainable.
> Scott, now imagine the amount of cleanup you'd need to do to your driver
> to get it to a state where it doesn't depend on any old kernel. That's
> the exact shape of the driver we want.
>
> To backport, you can look into the backports project which strives to
> backport drivers automatically [0] to older kernels.
>
> [0] https://backports.wiki.kernel.org/index.php/Main_Page
>
>    Luis
Will drop legacy support from patch and look closer at this.

Thanks,
  Scott

  reply	other threads:[~2020-05-13 18:39 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-08  0:27 [PATCH v5 0/7] firmware: add partial read support in request_firmware_into_buf Scott Branden
2020-05-08  0:27 ` [PATCH v5 1/7] fs: introduce kernel_pread_file* support Scott Branden
2020-05-13  0:27   ` Luis Chamberlain
2020-05-13  6:23     ` Scott Branden
2020-05-13  6:51       ` Greg Kroah-Hartman
2020-05-13  8:16         ` Scott Branden
2020-05-13 18:39   ` Mimi Zohar
2020-05-13 18:53     ` Scott Branden
2020-05-13 18:57       ` Scott Branden
2020-05-13 19:03       ` Mimi Zohar
2020-05-13 19:18         ` Scott Branden
2020-05-13 19:39           ` Mimi Zohar
2020-05-13 19:41             ` Scott Branden
2020-05-13 21:20               ` Mimi Zohar
2020-05-13 21:28                 ` Luis Chamberlain
2020-05-13 22:12                   ` Mimi Zohar
2020-05-13 22:48                     ` Scott Branden
2020-05-13 23:00                       ` Mimi Zohar
2020-05-13 23:34                         ` Kees Cook
2020-05-13 23:58                           ` Mimi Zohar
2020-05-08  0:27 ` [PATCH v5 2/7] firmware: add offset to request_firmware_into_buf Scott Branden
2020-05-13  0:33   ` Luis Chamberlain
2020-05-13 18:35     ` Scott Branden
2020-05-15 20:44       ` Luis Chamberlain
2020-05-08  0:27 ` [PATCH v5 3/7] test_firmware: add partial read support for request_firmware_into_buf Scott Branden
2020-05-13  0:35   ` Luis Chamberlain
2020-05-08  0:27 ` [PATCH v5 4/7] firmware: test partial file reads of request_firmware_into_buf Scott Branden
2020-05-08  0:27 ` [PATCH v5 5/7] bcm-vk: add bcm_vk UAPI Scott Branden
2020-05-08  0:27 ` [PATCH v5 6/7] misc: bcm-vk: add Broadcom VK driver Scott Branden
2020-05-13  0:38   ` Luis Chamberlain
2020-05-13  6:31     ` Scott Branden
2020-05-13  6:50       ` Greg Kroah-Hartman
2020-05-13 12:30         ` Luis Chamberlain
2020-05-13 18:39           ` Scott Branden [this message]
2020-05-08  0:27 ` [PATCH v5 7/7] MAINTAINERS: bcm-vk: add maintainer for Broadcom VK Driver Scott Branden
2020-05-13 16:23 ` [PATCH v5 0/7] firmware: add partial read support in request_firmware_into_buf Mimi Zohar
2020-05-15 20:47   ` Luis Chamberlain
2020-05-15 23:28     ` Scott Branden
2020-05-16  1:05       ` Luis Chamberlain
2020-05-10 13:16 [PATCH v5 6/7] misc: bcm-vk: add Broadcom VK driver kbuild test robot

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