From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Cox Subject: Re: [PATCH v6 0/8] ptp: IEEE 1588 hardware clock support Date: Mon, 27 Sep 2010 18:05:58 +0100 Message-ID: <20100927180558.52817d5f@lxorguk.ukuu.org.uk> References: <20100923213654.0c64b047@lxorguk.ukuu.org.uk> <20100924131407.GA3113@riccoc20.at.omicron.at> <20100924150246.0e6064b6@lxorguk.ukuu.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@lists.ozlabs.org To: Christoph Lameter Cc: John Stultz , Rodolfo Giometti , Arnd Bergmann , Peter Zijlstra , linux-api@vger.kernel.org, devicetree-discuss@lists.ozlabs.org, linux-kernel@vger.kernel.org, David Miller , netdev@vger.kernel.org, Thomas Gleixner , linuxppc-dev@lists.ozlabs.org, Richard Cochran , linux-arm-kernel@lists.infradead.org, Krzysztof Halasa List-Id: devicetree@vger.kernel.org On Mon, 27 Sep 2010 10:56:09 -0500 (CDT) Christoph Lameter wrote: > > On Fri, 24 Sep 2010, Alan Cox wrote: > > > Whether you add new syscalls or do the fd passing using flags and hide > > the ugly bits in glibc is another question. > > Use device specific ioctls instead of syscalls? Some of the ioctls are probably not device specific, the job of the OS in part is to present a unified interface. We already have a mess of HPET and RTC driver ioctls. Some of it undoubtedly is device specific. Alan