From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <5236DD17.5090203@freescale.com> Date: Mon, 16 Sep 2013 18:27:35 +0800 From: Huang Shijie MIME-Version: 1.0 To: Mark Brown Subject: Re: [PATCH v3 0/8] Add the Quadspi driver for vf610-twr References: <522D3B79.3060707@freescale.com> <52318953.6090405@freescale.com> <1378979431.2627.402.camel@shinybook.infradead.org> <20130913025827.GA3051@gmail.com> <1378999322.4210.95.camel@i7.infradead.org> <20130913041208.GD3051@gmail.com> <20130912205644.GW29403@sirena.org.uk> <52329AD3.2050608@freescale.com> <20130913102127.GD29403@sirena.org.uk> <52366F97.5030402@freescale.com> <20130916101912.GY29403@sirena.org.uk> In-Reply-To: <20130916101912.GY29403@sirena.org.uk> Content-Type: text/plain; charset="GB2312" Content-Transfer-Encoding: quoted-printable Cc: "devicetree@vger.kernel.org" , "computersforpeace@gmail.com" , "b44548@freescale.com" , "dedekind1@gmail.com" , Huang Shijie , "linux-doc@vger.kernel.org" , "b18965@freescale.com" , "linux-spi@vger.kernel.org" , "thomas.langer@lantiq.com" , "linux-mtd@lists.infradead.org" , "Gupta, Pekon" , "kernel@pengutronix.de" , "lznuaa@gmail.com" , "shawn.guo@linaro.org" , David Woodhouse , "linux-arm-kernel@lists.infradead.org" List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , =D3=DA 2013=C4=EA09=D4=C216=C8=D5 18:19, Mark Brown =D0=B4=B5=C0: > I would expect that most controllers would look just the same as they d= o > now except for the additional ability to do quad transfers - it'd just > get told that some transfers should use more data lines. The SPI is about the byte streams, but the dummy may be not a byte, the dummy maybe just 4bit. It is interesting to handle the dummy issue for the future's SPI controll= er. thanks Huang Shijie