From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 19 May 2022 13:58:04 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1nren6-0021Ae-Pp for lore@lore.pengutronix.de; Thu, 19 May 2022 13:58:04 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nren5-0007kz-Dv for lore@pengutronix.de; Thu, 19 May 2022 13:58:04 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:From:In-Reply-To:MIME-Version: References:Message-ID:Subject:Cc:To:Date:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=fCJpm+BwGi4enP8JX0/qeyk5DTHN9fbGhAZzCZWCzaU=; b=qJ5f3DHMfb5Q++SjW/ECW0wdEL iVWypS0D/lI8VaHGZl98eQZk+eYL3PzREws29ggp452KHqTNMM1AR4gvna7LGJREXm+vFovoAH/Wv pAUN5S7929/Yh+OLRtRgxY5BOWSlIslcZ8jF+uJaNOcOFwC8fU1A1Ov02gULkdz90zLCUG2M4GxHH ezt26Fdw1LnT4udEx2QYkVaIo6/0lb68bmrung2ko7bmt23l5l9QQ394guGbzySt6WyAM1Ry5w+YC R/C3N8GWxuqhf9DbhyLMGGfZggfCIG5iJrLyuoKIWjQaTj4pVSY0f6eY+kEy5r0SunULyWMP707rb VNa22B1g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nrelK-006XvG-Mb; Thu, 19 May 2022 11:56:14 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nrelG-006XuG-4u for barebox@lists.infradead.org; Thu, 19 May 2022 11:56:11 +0000 Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nrelE-0007U0-VQ; Thu, 19 May 2022 13:56:08 +0200 Received: from sha by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1nrelE-00038y-Mf; Thu, 19 May 2022 13:56:08 +0200 Date: Thu, 19 May 2022 13:56:08 +0200 To: Lucas Stach Cc: barebox@lists.infradead.org Message-ID: <20220519115608.GW25578@pengutronix.de> References: <20220518175745.56467-1-l.stach@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220518175745.56467-1-l.stach@pengutronix.de> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 13:55:59 up 50 days, 25 min, 50 users, load average: 0.14, 0.08, 0.02 User-Agent: Mutt/1.10.1 (2018-07-13) From: Sascha Hauer X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220519_045610_243879_F25A726F X-CRM114-Status: GOOD ( 28.02 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:e::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH] of: address: treat absent dma-ranges as 1:1 translation X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) On Wed, May 18, 2022 at 07:57:45PM +0200, Lucas Stach wrote: > Some DTs use dma-ranges in child busses without this property being present > in the parent bus. To avoid failing the address translation, do the same as > the Linux kernel and treat absence of this property as a 1:1 translation. > > Signed-off-by: Lucas Stach > --- > drivers/of/address.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) Applied, thanks Sascha > > diff --git a/drivers/of/address.c b/drivers/of/address.c > index 67e8062f5d17..4eafce376d36 100644 > --- a/drivers/of/address.c > +++ b/drivers/of/address.c > @@ -301,10 +301,13 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus, > * > * As far as we know, this damage only exists on Apple machines, so > * This code is only enabled on powerpc. --gcl > + * > + * This quirk also applies for 'dma-ranges' which frequently exist in > + * child nodes without 'dma-ranges' in the parent nodes. --RobH > */ > ranges = of_get_property(parent, rprop, &rlen); > #if !defined(CONFIG_PPC) > - if (ranges == NULL) { > + if (ranges == NULL && strcmp(rprop, "dma-ranges")) { > pr_vdebug("OF: no ranges; cannot translate\n"); > return 1; > } > -- > 2.35.3 > > > _______________________________________________ > barebox mailing list > barebox@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/barebox > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox