From: cang@codeaurora.org
To: Bart Van Assche <bvanassche@acm.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>,
asutoshd@codeaurora.org, nguyenb@codeaurora.org,
rnayak@codeaurora.org, linux-scsi@vger.kernel.org,
kernel-team@android.com, saravanak@google.com,
salyzyn@google.com, Alim Akhtar <alim.akhtar@samsung.com>,
Avri Altman <avri.altman@wdc.com>,
Pedro Sousa <pedrom.sousa@synopsys.com>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Evan Green <evgreen@chromium.org>,
Kishon Vijay Abraham I <kishon@ti.com>,
Stephen Boyd <swboyd@chromium.org>,
Stanley Chu <stanley.chu@mediatek.com>,
Vignesh Raghavendra <vigneshr@ti.com>,
Bean Huo <beanhuo@micron.com>,
Venkat Gopalakrishnan <venkatg@codeaurora.org>,
Tomas Winkler <tomas.winkler@intel.com>,
Arnd Bergmann <arnd@arndb.de>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 2/3] scsi: ufs: Modulize ufs-bsg
Date: Mon, 16 Dec 2019 12:36:10 +0800 [thread overview]
Message-ID: <926dd55d8d0dc762b1f6461495fc747a@codeaurora.org> (raw)
In-Reply-To: <5691bfa1-42e5-3c5f-2497-590bcc0cb2b1@acm.org>
On 2019-12-16 05:49, Bart Van Assche wrote:
> On 2019-12-11 22:37, Bjorn Andersson wrote:
>> It's the asymmetry that I don't like.
>>
>> Perhaps if you instead make ufshcd platform_device_register_data() the
>> bsg device you would solve the probe ordering, the remove will be
>> symmetric and module autoloading will work as well (although then you
>> need a MODULE_ALIAS of platform:device-name).
>
> Hi Bjorn,
>
> From Documentation/driver-api/driver-model/platform.rst:
> "Platform devices are devices that typically appear as autonomous
> entities in the system. This includes legacy port-based devices and
> host bridges to peripheral buses, and most controllers integrated
> into system-on-chip platforms. What they usually have in common
> is direct addressing from a CPU bus. Rarely, a platform_device will
> be connected through a segment of some other kind of bus; but its
> registers will still be directly addressable."
>
> Do you agree that the above description is not a good match for the
> ufs-bsg kernel module?
>
> Thanks,
>
> Bart.
Hi Bart,
I missed this one.
How about making it a plain device and add it from ufs driver?
Thanks,
Can Guo.
next prev parent reply other threads:[~2019-12-16 4:36 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1576054123-16417-1-git-send-email-cang@codeaurora.org>
2019-12-11 8:48 ` [PATCH v2 1/3] scsi: ufs: Put SCSI host after remove it Can Guo
2019-12-11 10:37 ` Avri Altman
2019-12-11 11:06 ` cang
[not found] ` <0101016ef4a3e5f5-915372c8-5e1e-4db5-b3da-f97f7ca963e4-000000@us-west-2.amazonses.com>
2019-12-11 11:22 ` Avri Altman
2019-12-11 11:44 ` cang
[not found] ` <0101016ef4c6065b-3e4428fc-71f8-40cf-a7fa-bc633a2b9fda-000000@us-west-2.amazonses.com>
2019-12-11 13:44 ` Avri Altman
2019-12-11 8:49 ` [PATCH v2 2/3] scsi: ufs: Modulize ufs-bsg Can Guo
2019-12-12 4:53 ` Bjorn Andersson
2019-12-12 6:01 ` cang
[not found] ` <0101016ef8b2e2f8-72260b08-e6ad-42fc-bd4b-4a0a72c5c9b3-000000@us-west-2.amazonses.com>
2019-12-12 6:37 ` Bjorn Andersson
2019-12-12 7:00 ` Avri Altman
2019-12-12 16:53 ` cang
[not found] ` <0101016efb07efac-32cf270a-68dd-455a-b037-9fac2f3834cd-000000@us-west-2.amazonses.com>
2019-12-12 18:24 ` Bjorn Andersson
2019-12-14 12:30 ` cang
2019-12-15 7:38 ` Avri Altman
2019-12-12 16:45 ` cang
2019-12-15 21:49 ` Bart Van Assche
2019-12-16 4:36 ` cang [this message]
2019-12-16 17:22 ` Bart Van Assche
2019-12-16 18:06 ` Greg KH
2019-12-17 8:56 ` cang
2019-12-17 18:19 ` Bart Van Assche
2019-12-17 18:47 ` cang
[not found] ` <0101016ef425ed74-071c2ec2-5aeb-44fa-8889-d9ec60192d44-000000@us-west-2.amazonses.com>
2019-12-12 5:40 ` Vignesh Raghavendra
[not found] ` <0101016ef425e749-1808e138-740e-4036-922f-7a49ec02c2b8-000000@us-west-2.amazonses.com>
2019-12-13 20:59 ` Bart Van Assche
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