From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id B1FB6B70A6 for ; Fri, 8 Oct 2010 17:14:15 +1100 (EST) Subject: Re: [PATCH v3 6/7] mtd: m25p80: add a read function to read page by page Mime-Version: 1.0 (Apple Message framework v1081) Content-Type: text/plain; charset=us-ascii From: Kumar Gala In-Reply-To: <73839B4A0818E747864426270AC332C3057F6138@zmy16exm20.fsl.freescale.net> Date: Fri, 8 Oct 2010 01:11:49 -0500 Message-Id: <5FE2FD44-A491-4E7C-86E9-5247B9598AD2@kernel.crashing.org> References: <841976.76219.qm@web180306.mail.gq1.yahoo.com> <20100930150633.GA13741@oksana.dev.rtsoft.ru> <73839B4A0818E747864426270AC332C3057F6138@zmy16exm20.fsl.freescale.net> To: Hu Mingkai-B21284 Cc: David Brownell , linuxppc-dev@ozlabs.org, linux-mtd@lists.infradead.org, spi-devel-general@lists.sourceforge.net, Gala Kumar-B11780 List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Oct 7, 2010, at 9:15 PM, Hu Mingkai-B21284 wrote: >>>> Yes, I agree with David on this. If large transfers don't work, >>>> then it is the SPI master driver that is buggy. >>>=20 >>> By the way, does this fix your problem? >>>=20 >>> https://patchwork.kernel.org/patch/184752/ >>=20 >> It shouldn't. AFAIK, eSPI is PIO-only controller, and the overrun fix = is for the >> DMA mode. >>=20 >> Thanks, >>=20 >> p.s. Btw, in patch 3/7, is_dma_mapped argument of fsl_espi_bufs() is = unneeded. >>=20 >=20 > Yes, the is_dma_mapped isn't needed, I'll remove it. >=20 > Thanks, > Mingkai I'd be really nice if we could close on this patchset in time for .37 = acceptance. I'm guessing that cutoff is quickly approaching. - k=