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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 CACFFC4363A for ; Mon, 26 Oct 2020 11:12:57 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 7ACF522263 for ; Mon, 26 Oct 2020 11:12:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="eKxCw/6Y" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7ACF522263 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=atomide.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=c+1GoAOwZ26VPIuly8SuwhEQOms/qKtOTlN/aLaEHEA=; b=eKxCw/6Yqng1iAY6GGwGpIAyr J1/k/PFVg9UMxgOqV2flYvD7OXyC4xqcnH0BBLgD/QqNLwRgu8pVo7R2R3kaMI3Gfj0xL0y7WXP/t Rh0PJeH2p2kawDcymlY11BTZz5kPQn7pFMtinA/nbI72RVKxnF3T0+GmJDzAg8k9/yg6sUOsFBdtY b2dSHbbcHLekEsDJTeFF0TdqWCYW+jP2A4coUA17ylJrAFIKRK8ynybBncPEYPK0CJgTCQ9g6HXfp pqTH0xe/J3ooUX/rTLibrAxCcitJDyW0c+8aKQx2rfaFCW9P3GZl3sFBKWIY5OJ7asV6SCGIfSDQx 3e1impmCw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kX0PP-0007Cq-Vi; Mon, 26 Oct 2020 11:11:28 +0000 Received: from muru.com ([72.249.23.125]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kX0PA-00077i-5f for linux-arm-kernel@lists.infradead.org; Mon, 26 Oct 2020 11:11:13 +0000 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 3BC7B80AA; Mon, 26 Oct 2020 11:11:14 +0000 (UTC) From: Tony Lindgren To: linux-omap@vger.kernel.org Subject: [PATCH 4/9] bus: ti-sysc: Support modules without control registers Date: Mon, 26 Oct 2020 13:10:44 +0200 Message-Id: <20201026111049.54835-5-tony@atomide.com> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201026111049.54835-1-tony@atomide.com> References: <20201026111049.54835-1-tony@atomide.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201026_071112_448971_AACB9BF6 X-CRM114-Status: GOOD ( 10.85 ) 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: Nishanth Menon , Tero Kristo , Grygorii Strashko , Dave Gerlach , Stephen Boyd , Keerthy , Michael Turquette , Santosh Shilimkar , linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, "Andrew F . Davis" , Peter Ujfalusi , Faiz Abbas , Bjorn Andersson , Philipp Zabel , Greg Kroah-Hartman , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Roger Quadros Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Some modules like MPU have a powerdomain and functional clock but not necessarily any control registers. Let's allow configuring interconnect target modules with no control registers. Signed-off-by: Tony Lindgren --- drivers/bus/ti-sysc.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -850,8 +850,12 @@ static int sysc_ioremap(struct sysc *ddata) */ static int sysc_map_and_check_registers(struct sysc *ddata) { + struct device_node *np = ddata->dev->of_node; int error; + if (!of_get_property(np, "reg", NULL)) + return 0; + error = sysc_parse_and_check_child_range(ddata); if (error) return error; @@ -2906,6 +2910,9 @@ static int sysc_probe(struct platform_device *pdev) if (!ddata) return -ENOMEM; + ddata->offsets[SYSC_REVISION] = -ENODEV; + ddata->offsets[SYSC_SYSCONFIG] = -ENODEV; + ddata->offsets[SYSC_SYSSTATUS] = -ENODEV; ddata->dev = &pdev->dev; platform_set_drvdata(pdev, ddata); -- 2.29.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel