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=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 7ECD8C433DF for ; Tue, 7 Jul 2020 10:23:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 555CA206F6 for ; Tue, 7 Jul 2020 10:23:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="mg35SW4w" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727981AbgGGKXA (ORCPT ); Tue, 7 Jul 2020 06:23:00 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:49034 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728012AbgGGKW7 (ORCPT ); Tue, 7 Jul 2020 06:22:59 -0400 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 067AMvXo100854; Tue, 7 Jul 2020 05:22:57 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1594117377; bh=Knn8MS+IxPJTYQZE5VMCRUM0NbX02VIMpCObQt4lc6g=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=mg35SW4wkZo7JtugUKD4aEkgliGDr29SJVxYT3yH4aW8IBLeb4sekKVVgJ0DCbcRn LwopW962GMY7BPpPtOtxIDDxqvHxTlKLFtEw7uVdAAJ8Ag0kHp2cQOl+lGeDSSwugl Y87Ds7ubAV2tAu+6NbmfUF02oTsvcu+CA/ZZImLE= Received: from DFLE113.ent.ti.com (dfle113.ent.ti.com [10.64.6.34]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 067AMvdZ130701 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 7 Jul 2020 05:22:57 -0500 Received: from DFLE111.ent.ti.com (10.64.6.32) by DFLE113.ent.ti.com (10.64.6.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Tue, 7 Jul 2020 05:22:56 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DFLE111.ent.ti.com (10.64.6.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Tue, 7 Jul 2020 05:22:56 -0500 Received: from feketebors.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 067AMmaf054798; Tue, 7 Jul 2020 05:22:55 -0500 From: Peter Ujfalusi To: CC: , , Subject: [PATCH v2 4/5] dmaengine: ti: k3-udma-private: Use udma_read/write for register access Date: Tue, 7 Jul 2020 13:23:51 +0300 Message-ID: <20200707102352.28773-5-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200707102352.28773-1-peter.ujfalusi@ti.com> References: <20200707102352.28773-1-peter.ujfalusi@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org Instead of using higher level wrappers (udma_rchanrt/tchanrt read/write), use the underlying register access functions directly. This will allow changes in the higher level wrappers within the DMAengine driver. Signed-off-by: Peter Ujfalusi --- drivers/dma/ti/k3-udma-private.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/dma/ti/k3-udma-private.c b/drivers/dma/ti/k3-udma-private.c index 77e8e67d995b..aa24e554f7b4 100644 --- a/drivers/dma/ti/k3-udma-private.c +++ b/drivers/dma/ti/k3-udma-private.c @@ -121,13 +121,17 @@ XUDMA_GET_RESOURCE_ID(rflow); #define XUDMA_RT_IO_FUNCTIONS(res) \ u32 xudma_##res##rt_read(struct udma_##res *p, int reg) \ { \ - return udma_##res##rt_read(p, reg); \ + if (!p) \ + return 0; \ + return udma_read(p->reg_rt, reg); \ } \ EXPORT_SYMBOL(xudma_##res##rt_read); \ \ void xudma_##res##rt_write(struct udma_##res *p, int reg, u32 val) \ { \ - udma_##res##rt_write(p, reg, val); \ + if (!p) \ + return; \ + udma_write(p->reg_rt, reg, val); \ } \ EXPORT_SYMBOL(xudma_##res##rt_write) XUDMA_RT_IO_FUNCTIONS(tchan); -- Peter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki