Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 25 May 2016 22:00:19 -0700
From:      Adrian Chadd <adrian@freebsd.org>
To:        Patrick Kelsey <pkelsey@freebsd.org>
Cc:        "freebsd-mips@freebsd.org" <freebsd-mips@freebsd.org>,  "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>, Ruslan Bukin <br@freebsd.org>
Subject:   Re: svn commit: r298274 - head/sys/dev/spibus
Message-ID:  <CAJ-Vmo=ZMygr--HRQen8QQs%2BbME0_u3KKwgwk3zzm6QNHwYZ6g@mail.gmail.com>
In-Reply-To: <CAD44qMWAEGYJWANW6-4Pf-cCcgsRP_JYbSNhz6Xtv8AM%2BHwD0w@mail.gmail.com>
References:  <201604191539.u3JFdkHx048678@repo.freebsd.org> <CAJ-VmonyZR-CiPxceAvVzxDjL7WXDAix-Pmj2RRqp%2B9gj3u0hA@mail.gmail.com> <20160419171243.GA30453@bsdpad.com> <CACVs6=_pN9VAz1kkQQAL-ftKof%2Bkkn5MgxDP1kWj9kM-x=AzbQ@mail.gmail.com> <1461097280.1232.34.camel@freebsd.org> <CAD44qMV1bRA9USafKLSdKv8CcES34G8Kbt54OspaAA_Xdb07xg@mail.gmail.com> <CAJ-Vmo=GiP_NXfBz5ZsJkBm8Ypm-t0udZRqX9BkTa0KuC1bvrw@mail.gmail.com> <CAD44qMWJeTNuXS%2BB1ecJUFN63dweYZRKKG4Ek7kxMk-Mme7=%2BQ@mail.gmail.com> <CAD44qMWbOUaveDtq%2BHn_cYAiU_VGwFEgYJ1vSFYv=4G9XSzzbQ@mail.gmail.com> <CAJ-Vmokwd2wYDMrHQYGBbfvDZ6=32EatZp3k-j1cwUYDMFf%2BTg@mail.gmail.com> <CAD44qMWAEGYJWANW6-4Pf-cCcgsRP_JYbSNhz6Xtv8AM%2BHwD0w@mail.gmail.com>

next in thread | previous in thread | raw e-mail | index | archive | help
On 25 May 2016 at 18:57, Patrick Kelsey <pkelsey@freebsd.org> wrote:
>
> On Fri, May 20, 2016 at 2:35 AM, Adrian Chadd <adrian@freebsd.org> wrote:
>>
>> I've reviewed the patches from luiz, and these look fine. but indeed,
>> this patchset does set/release the bus each transaction so we can do
>> multiple transactions whilst holding the bus.
>>
>> Which is fine, but it means I have to undo ruslan's removal in the below
>> commit.
>>
>> I'm happy to run through and do each of the spi bus drivers (as there
>> are more now than the two you patched) but it's a bit close to the
>> 11.0-release cycle to go and churn the spibus code.
>>
>> But, if people think it's worth doing it so we can try to get mmcspi
>> into the tree before 11.0-rel is cut, I'm happy to run through and do
>> it. I actually have some AR9331 stuff now that could use mmcspi. :)
>>
>> What do people think?
>>
>
> Thanks, Adrian.  My opinion is that the changes to the spi bus interface and
> the corresponding changes to the spi bus drivers you are talking about are
> very straightforward and low risk.  There is non-zero other interest out
> there in using the mmcspi driver, based on the couple of emails I've
> received seeking help on the subject in the last six months or so, so I
> don't think this would be just a commit for the sake of getting some
> interesting new code in.

loos and i are thinking about it. I may start landing some of the
spibus changes tonight just to lay the foundation.



-adrian



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAJ-Vmo=ZMygr--HRQen8QQs%2BbME0_u3KKwgwk3zzm6QNHwYZ6g>