From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
Cc: "Martinez, Ricardo" <ricardo.martinez@linux.intel.com>,
Netdev <netdev@vger.kernel.org>,
linux-wireless@vger.kernel.org, kuba@kernel.org,
davem@davemloft.net, johannes@sipsolutions.net,
ryazanov.s.a@gmail.com, loic.poulain@linaro.org,
m.chetan.kumar@intel.com, chandrashekar.devegowda@intel.com,
linuxwwan@intel.com, chiranjeevi.rapolu@linux.intel.com,
haijun.liu@mediatek.com, amir.hanania@intel.com,
dinesh.sharma@intel.com, eliot.lee@intel.com,
mika.westerberg@linux.intel.com, moises.veleta@intel.com,
pierre-louis.bossart@intel.com,
muralidharan.sethuraman@intel.com,
Soumya.Prakash.Mishra@intel.com, sreehari.kancharla@intel.com
Subject: Re: [PATCH net-next v3 01/12] net: wwan: t7xx: Add control DMA interface
Date: Wed, 12 Jan 2022 18:20:01 +0200 [thread overview]
Message-ID: <Yd7/se+LD1c1wiBA@smile.fi.intel.com> (raw)
In-Reply-To: <b0cb18b-dc7b-9241-b21a-850d055d86@linux.intel.com>
On Wed, Jan 12, 2022 at 04:24:52PM +0200, Ilpo Järvinen wrote:
> On Wed, 12 Jan 2022, Andy Shevchenko wrote:
> > On Tue, Jan 11, 2022 at 08:55:58PM -0800, Martinez, Ricardo wrote:
> > > On 12/16/2021 3:08 AM, Ilpo Järvinen wrote:
> > > > On Mon, 6 Dec 2021, Ricardo Martinez wrote:
> >
> > > > > + if (req->entry.next == &ring->gpd_ring)
> > > > > + return list_first_entry(&ring->gpd_ring, struct cldma_request, entry);
> > > > > +
> > > > > + return list_next_entry(req, entry);
> >
> > ...
> >
> > > > > + if (req->entry.prev == &ring->gpd_ring)
> > > > > + return list_last_entry(&ring->gpd_ring, struct cldma_request, entry);
> > > > > +
> > > > > + return list_prev_entry(req, entry);
> >
> > ...
> >
> > > > Wouldn't these two seems generic enough to warrant adding something like
> > > > list_next/prev_entry_circular(...) to list.h?
> > >
> > > Agree, in the upcoming version I'm planning to include something like this
> > > to list.h as suggested:
> >
> > I think you mean for next and prev, i.o.w. two helpers, correct?
> >
> > > #define list_next_entry_circular(pos, ptr, member) \
> >
> > > ((pos)->member.next == (ptr) ? \
> >
> > I believe this is list_entry_is_head().
>
> It takes .next so it's not the same as list_entry_is_head() and
> list_entry_is_last() doesn't exist.
But we have list_last_entry(). So, what about
list_last_entry() == pos ? first : next;
and counterpart
list_first_entry() == pos ? last : prev;
?
> > > list_first_entry(ptr, typeof(*(pos)), member) : \
> > > list_next_entry(pos, member))
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2022-01-12 16:24 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-07 2:46 [PATCH net-next v3 00/12] net: wwan: t7xx: PCIe driver for MediaTek M.2 modem Ricardo Martinez
2021-12-07 2:47 ` [PATCH net-next v3 01/12] net: wwan: t7xx: Add control DMA interface Ricardo Martinez
2021-12-07 17:11 ` Jakub Kicinski
2021-12-16 11:08 ` Ilpo Järvinen
2022-01-12 4:55 ` Martinez, Ricardo
2022-01-12 11:40 ` Andy Shevchenko
2022-01-12 14:24 ` Ilpo Järvinen
2022-01-12 16:20 ` Andy Shevchenko [this message]
2022-01-12 18:16 ` Ilpo Järvinen
2022-01-12 19:03 ` Martinez, Ricardo
2022-01-12 19:24 ` Ilpo Järvinen
2022-01-12 20:08 ` Martinez, Ricardo
2022-01-13 18:31 ` Ilpo Järvinen
2021-12-07 2:47 ` [PATCH net-next v3 02/12] net: wwan: t7xx: Add core components Ricardo Martinez
2021-12-16 11:55 ` Ilpo Järvinen
2022-01-12 21:58 ` Martinez, Ricardo
2021-12-07 2:47 ` [PATCH net-next v3 03/12] net: wwan: t7xx: Add port proxy infrastructure Ricardo Martinez
2021-12-16 12:17 ` Ilpo Järvinen
2021-12-07 2:47 ` [PATCH net-next v3 04/12] net: wwan: t7xx: Add control port Ricardo Martinez
2021-12-16 13:44 ` Ilpo Järvinen
2021-12-07 2:47 ` [PATCH net-next v3 05/12] net: wwan: t7xx: Add AT and MBIM WWAN ports Ricardo Martinez
2021-12-07 9:48 ` Loic Poulain
2021-12-16 12:25 ` Ilpo Järvinen
2021-12-16 12:59 ` Andy Shevchenko
2021-12-07 2:47 ` [PATCH net-next v3 06/12] net: wwan: t7xx: Data path HW layer Ricardo Martinez
2021-12-07 11:59 ` Andy Shevchenko
2021-12-07 12:04 ` Andy Shevchenko
2021-12-07 2:47 ` [PATCH net-next v3 07/12] net: wwan: t7xx: Add data path interface Ricardo Martinez
2021-12-16 13:30 ` Ilpo Järvinen
2022-01-12 23:27 ` Martinez, Ricardo
2021-12-07 2:47 ` [PATCH net-next v3 08/12] net: wwan: t7xx: Add WWAN network interface Ricardo Martinez
2021-12-07 2:47 ` [PATCH net-next v3 09/12] net: wwan: t7xx: Introduce power management support Ricardo Martinez
2021-12-07 2:47 ` [PATCH net-next v3 10/12] net: wwan: t7xx: Runtime PM Ricardo Martinez
2021-12-07 2:47 ` [PATCH net-next v3 11/12] net: wwan: t7xx: Device deep sleep lock/unlock Ricardo Martinez
2021-12-07 2:47 ` [PATCH net-next v3 12/12] net: wwan: t7xx: Add maintainers and documentation Ricardo Martinez
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