From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fllnx210.ext.ti.com ([198.47.19.17]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1eEvC5-0001T9-V3 for linux-mtd@lists.infradead.org; Wed, 15 Nov 2017 10:45:23 +0000 Subject: Re: [PATCH v4 12/16] mtd: onenand: omap2: Enable DMA by default To: Ladislav Michl CC: , , Tony Lindgren , Peter Ujfalusi , Boris Brezillon , Kyungmin Park References: <20171111211206.465pgorrjp3eyix6@lenoch> <20171111212442.ucbatglvqeoiqb72@lenoch> <20171115103209.b2wolfglkrwdjfku@lenoch> From: Roger Quadros Message-ID: Date: Wed, 15 Nov 2017 12:44:46 +0200 MIME-Version: 1.0 In-Reply-To: <20171115103209.b2wolfglkrwdjfku@lenoch> Content-Type: text/plain; charset="utf-8" Content-Language: en-GB Content-Transfer-Encoding: 7bit List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 15/11/17 12:32, Ladislav Michl wrote: > On Wed, Nov 15, 2017 at 12:08:05PM +0200, Roger Quadros wrote: >> Hi, >> >> On 11/11/17 23:24, Ladislav Michl wrote: >>> DMA and R/B pin are independent on each other. Use DMA by default. >> >> Is there a R/B pin on Onenand? It looks more like it has a RDY pin and >> an INT pin (which is used for command completion interrupt). > > (See also my previous answer) Yes, there's RDY and INT pin. I tried to use > the same scheme as NAND is using, but perhaps it doesn't fit too well here. > Therefore I'm proposing to keep INT pin name and use int-gpios in DT > bindings. Suggestions? Yes, I think that is better too. -- cheers, -roger Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki