From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Brezillon Subject: Re: [PATCH] mtd: spi-nor: Support controllers with limited TX FIFO size Date: Tue, 18 Sep 2018 16:41:54 +0200 Message-ID: <20180918164154.28d7a31c@bbrezillon> References: <1528870092-14526-1-git-send-email-yogeshnarayan.gaur@nxp.com> <20180709233427.1a714de7@bbrezillon> <81e0653f-1e07-6ec9-f12a-d448e269c87a@exceet.de> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: Yogesh Gaur , marek.vasut@gmail.com, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, prabhakar.kushwaha@nxp.com, linux-mtd@lists.infradead.org, han.xu@nxp.com, Fabio Estevam , david.wolfe@nxp.com, computersforpeace@gmail.com, festevam@gmail.com To: Frieder Schrempf Return-path: In-Reply-To: <81e0653f-1e07-6ec9-f12a-d448e269c87a@exceet.de> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-spi.vger.kernel.org On Tue, 18 Sep 2018 12:51:51 +0200 Frieder Schrempf wrote: > I want to revive the discussion about this patch. Meanwhile we have > received confirmation from NXP, that the hardware can't handle writing > data chunks bigger than the TX buffer size, even when we use DMA to > refill the buffer [1]. > > This means, that this patch is required to get the FSL QSPI driver > working with the SPI mem framework. > > Could you please reconsider this patch? I'm all for taking this patch, just waiting for a green light from Marek.