From patchwork Tue Dec 17 00:19:17 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 11296263 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 705F56C1 for ; Tue, 17 Dec 2019 00:19:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4ED4E24672 for ; Tue, 17 Dec 2019 00:19:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727741AbfLQATy (ORCPT ); Mon, 16 Dec 2019 19:19:54 -0500 Received: from muru.com ([72.249.23.125]:48698 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727731AbfLQATy (ORCPT ); Mon, 16 Dec 2019 19:19:54 -0500 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 23DE982AA; Tue, 17 Dec 2019 00:20:33 +0000 (UTC) From: Tony Lindgren To: linux-omap@vger.kernel.org Cc: Vinod Koul , dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Aaro Koskinen , Arnd Bergmann , Peter Ujfalusi , Russell King , Vinod Koul , devicetree@vger.kernel.org Subject: [PATCH 06/14] ARM: OMAP2+: Configure sdma capabilities directly Date: Mon, 16 Dec 2019 16:19:17 -0800 Message-Id: <20191217001925.44558-7-tony@atomide.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191217001925.44558-1-tony@atomide.com> References: <20191217001925.44558-1-tony@atomide.com> MIME-Version: 1.0 Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org Only earlier SoCs need to be checked for this, all SoCs starting with omap3630 have CCDN register. This way we get closer to removing the need to ioremap sdma registers in the platform code. Cc: Aaro Koskinen Cc: Arnd Bergmann Cc: Peter Ujfalusi Cc: Russell King Cc: Vinod Koul Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/dma.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-omap2/dma.c b/arch/arm/mach-omap2/dma.c --- a/arch/arm/mach-omap2/dma.c +++ b/arch/arm/mach-omap2/dma.c @@ -273,10 +273,10 @@ static int __init omap2_system_dma_init_dev(struct omap_hwmod *oh, void *unused) d->dev_caps |= HS_CHANNELS_RESERVED; /* Check the capabilities register for descriptor loading feature */ - if (dma_read(CAPS_0, 0) & DMA_HAS_DESCRIPTOR_CAPS) - dma_common_ch_end = CCDN; - else + if (soc_is_omap24xx() || soc_is_omap34xx() || soc_is_am35xx()) dma_common_ch_end = CCFN; + else + dma_common_ch_end = CCDN; return 0; }