From: Arnd Bergmann <arnd@arndb.de>
To: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: Greg KH <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org, linux-sh@vger.kernel.org
Subject: Re: [PATCH] misc: add driver for Renesas R-Car Gyro-ADC/speed-pulse interfaces
Date: Sat, 13 Jul 2013 07:58:16 +0000 [thread overview]
Message-ID: <201307130958.16533.arnd@arndb.de> (raw)
In-Reply-To: <51E0AA24.6070203@cogentembedded.com>
On Saturday 13 July 2013, Sergei Shtylyov wrote:
> > And are you sure you want to control this through sysfs? There's no
> > other better user/kernel apis for it?
>
> I found none, besides ioctl(), as the device driven is rather
> unique. But I thought that sysfs is "ioctl() today", so I went with it...
>
It does sound like it would fit better into IIO than just a misc driver,
even if it's the only hardware of its kind.
Arnd
WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: Greg KH <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org, linux-sh@vger.kernel.org
Subject: Re: [PATCH] misc: add driver for Renesas R-Car Gyro-ADC/speed-pulse interfaces
Date: Sat, 13 Jul 2013 09:58:16 +0200 [thread overview]
Message-ID: <201307130958.16533.arnd@arndb.de> (raw)
In-Reply-To: <51E0AA24.6070203@cogentembedded.com>
On Saturday 13 July 2013, Sergei Shtylyov wrote:
> > And are you sure you want to control this through sysfs? There's no
> > other better user/kernel apis for it?
>
> I found none, besides ioctl(), as the device driven is rather
> unique. But I thought that sysfs is "ioctl() today", so I went with it...
>
It does sound like it would fit better into IIO than just a misc driver,
even if it's the only hardware of its kind.
Arnd
next prev parent reply other threads:[~2013-07-13 7:58 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-12 23:51 [PATCH] misc: add driver for Renesas R-Car Gyro-ADC/speed-pulse interfaces Sergei Shtylyov
2013-07-12 23:51 ` Sergei Shtylyov
2013-07-13 0:57 ` Greg KH
2013-07-13 0:57 ` Greg KH
2013-07-13 1:15 ` Sergei Shtylyov
2013-07-13 1:15 ` Sergei Shtylyov
2013-07-13 1:30 ` Greg KH
2013-07-13 1:30 ` Greg KH
2013-07-13 22:44 ` Sergei Shtylyov
2013-07-13 22:44 ` Sergei Shtylyov
2013-07-13 7:58 ` Arnd Bergmann [this message]
2013-07-13 7:58 ` Arnd Bergmann
2013-07-13 22:26 ` Sergei Shtylyov
2013-07-13 22:26 ` Sergei Shtylyov
2013-07-13 23:17 ` Greg KH
2013-07-13 23:17 ` Greg KH
2013-07-14 8:12 ` Lars-Peter Clausen
2013-07-14 8:12 ` Lars-Peter Clausen
2013-07-14 19:57 ` Sergei Shtylyov
2013-07-14 19:57 ` Sergei Shtylyov
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