From: James Bottomley <jbottomley@parallels.com>
To: Jack Wang <xjtuwjp@gmail.com>
Cc: Viswas G <Viswas.G@pmcs.com>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
Sangeetha Gnanasekaran <Sangeetha.Gnanasekaran@pmcs.com>,
Nikith Ganigarakoppal <Nikith.Ganigarakoppal@pmcs.com>,
Anand Kumar Santhanam <AnandKumar.Santhanam@pmcs.com>,
Suresh Thiagarajan <Suresh.Thiagarajan@pmcs.com>
Subject: Re: [PATCH 11/11] pm80xx : gpio feature support for motherboard controllers
Date: Sat, 16 Nov 2013 18:25:56 +0000 [thread overview]
Message-ID: <1384626355.3614.10.camel@dabdike.int.hansenpartnership.com> (raw)
In-Reply-To: <52809C23.507@gmail.com>
On Mon, 2013-11-11 at 09:58 +0100, Jack Wang wrote:
> Hi James,
>
> About this gpio feature, do you think it's OK to implement with IOCTL
Definitely not via another strange ioctl
> or we can use exist bsg interface in libsas and add another function call?
My default thought is that it should go via bsg and libsas if you can
find a SES expander type emulation, which would be nice, but perhaps
complex. Otherwise it should probably go via the gpio subsystem,
possibly via a SFF-8485 driver (which I don't think exists).
James
prev parent reply other threads:[~2013-11-16 18:26 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-22 12:20 [PATCH 11/11] pm80xx : gpio feature support for motherboard controllers Viswas G
2013-10-29 10:19 ` Jack Wang
2013-11-04 10:13 ` Viswas G
2013-11-04 10:30 ` Jack Wang
2013-11-11 5:57 ` Viswas G
2013-11-11 8:58 ` Jack Wang
2013-11-15 6:14 ` Viswas G
2013-11-16 18:25 ` James Bottomley [this message]
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