From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DB82FC31E46 for ; Thu, 13 Jun 2019 00:45:56 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A5A82215EA for ; Thu, 13 Jun 2019 00:45:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="aVALyUfv"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="S7EpA5Oo" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A5A82215EA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=L02j2ba+ligsiWwZbZFIrXGN7tjyhMVPQc7Gu8zAu7w=; b=aVALyUfv/ubzyT 44t+4EjLSGolZQcAstg0/k0UHLcznU0sYRZN82vKvTd4OSPOuSW8sLGAa9Xhv+AQ+tNcrXe5k9aGA cmq5E5hlY20G6OJmrVWd6lk4oOlo0tTUDnXsaAHCTQMNqmow7XCOk7/gBUuQOmgqOPcHL48KaIQkb SIiodPa9qX1AChU/zKe+mrlKVRq8WpCxyx3BLntHgZZR3psRSXTqZSzJ41UHwF40u+1ACpufNoTDx VGtyUm2pTXAx8lJybzj3KeOyxkBYJug5pxXQD4XeiBSfdum2nAB/KBPhwiogCh6DQBjruZDbMqmLE cO4IM6Wb6XSwCWKZ4IZg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hbDsD-0004PS-CY; Thu, 13 Jun 2019 00:45:49 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hbDsA-0004P8-DA for linux-arm-kernel@lists.infradead.org; Thu, 13 Jun 2019 00:45:47 +0000 Received: from dragon (li1322-146.members.linode.com [45.79.223.146]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A5143215EA; Thu, 13 Jun 2019 00:45:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560386745; bh=Y7mdi6uFOuBO3QxKWlpKYM6bNyXkY1xifsM4T0q7N8U=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=S7EpA5OokHKhhjL9gHwCJrcGLGApv/KADm67/XXDDdIrNY684DJbkzkOJPmVOjFQt ZLTdOzW6obAQYrYpwF+ZTMLvsVggKTzpNRFkS5JnUyX29Ah+W/ZcuK7JbuUrgVMB7J 9jDWecsCijkiNcUINgXNm3wZHEfS8ExGt2NMokZo= Date: Thu, 13 Jun 2019 08:45:10 +0800 From: Shawn Guo To: Li Yang Subject: Re: [PATCH] arm64: defconfig: Enable FSL_EDMA driver Message-ID: <20190613004508.GA20747@dragon> References: <20190422183056.16375-1-leoyang.li@nxp.com> <20190510030525.GC15856@dragon> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190612_174546_465985_813DEEAD X-CRM114-Status: GOOD ( 16.77 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: aisheng.dong@nxp.com, Grant Likely , madalin.bucur@nxp.com, lkml , Vinod Koul , Rob Herring , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Jun 12, 2019 at 03:01:29PM -0500, Li Yang wrote: > On Thu, May 9, 2019 at 10:15 PM Shawn Guo wrote: > > > > On Mon, Apr 22, 2019 at 01:30:56PM -0500, Li Yang wrote: > > > Enables the FSL EDMA driver by default. This also works around an issue > > > that imx-i2c driver keeps deferring the probe because of the DMA is not > > > ready. And currently the DMA engine framework can not correctly tell > > > if the DMA channels will truly become available later (it will never be > > > available if the DMA driver is not enabled). > > > > > > This will cause indefinite messages like below: > > > [ 3.335829] imx-i2c 2180000.i2c: can't get pinctrl, bus recovery not supported > > > [ 3.344455] ina2xx 0-0040: power monitor ina220 (Rshunt = 1000 uOhm) > > > [ 3.350917] lm90 0-004c: 0-004c supply vcc not found, using dummy regulator > > > [ 3.362089] imx-i2c 2180000.i2c: can't get pinctrl, bus recovery not supported > > > [ 3.370741] ina2xx 0-0040: power monitor ina220 (Rshunt = 1000 uOhm) > > > [ 3.377205] lm90 0-004c: 0-004c supply vcc not found, using dummy regulator > > > [ 3.388455] imx-i2c 2180000.i2c: can't get pinctrl, bus recovery not supported > > > ..... > > > > > > Signed-off-by: Li Yang > > > > Applied, thanks. > > Hi Shawn, > > Is it possible to move this patch to the -fix series so that it can > reach the mainline earlier? It is having a boot failure in mainline > for platforms using this device without this workaround. Why would I2C device deferring cause boot failure on a platform? I'm just trying to understand severity of the problem. Shawn _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel