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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id BEFDEC46CC5 for ; Fri, 8 Dec 2023 10:38:10 +0000 (UTC) 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:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=g7ntJPHanIpFCwJXpyL1O8Sn7cntMWiaFMeJGvYdPxw=; b=Inrp3hwmjI3L9E h5MUX1MnNmRsDoofMkrLT11rtqS1Yi3Mi+BIkT8Kk59pU5zBn4NSGi0l2MjVxChc2ihYKiabJCTCY 9s8ZG4peBXZOoeInkUKkjxzQi6g7DTovUeopYGAJa4+BsD60t+k3JcYFG72PWXKj7CkFMH58PsjJc jXGKWWkWKHmyhk6CaV52vS0zEFAvkxylidC9/DPqwXLmDjMplRcDKNnY26oBpNTecWht8/8994l+n nZaB/mkOpsQ15hE0j8GtmtPGzW9ehjYb7VKJFIx8o6uODaaScWF/YwVDgKVMuiZOOFDCi5UOaRRJu 5ta0nxNw9dEuj1iU+4tA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rBYFB-00FH5B-0d; Fri, 08 Dec 2023 10:38:05 +0000 Received: from esa.microchip.iphmx.com ([68.232.154.123]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rBYF8-00FH2V-2m for linux-riscv@lists.infradead.org; Fri, 08 Dec 2023 10:38:04 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1702031882; x=1733567882; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=7fpfZLQ/wUMnvIzkFtnwjbFo65V7UhlC6XBu/GZbLfo=; b=Kx6DmMO5T8DaD23iP85N1shu9MtLdz760wS5wc2FjCaKYgiEEohe/JFp l3qVdRv/zR/AMrejyluPWyaYrb9wVK9HVSJzu4M9feDo3bqBSSbnRAB2E /0cjeVb0AoVvIsQoVVROJypaNskbD+ps4rN3RoRD1GRZrskigKZtoXS11 JO/XPJfWxONhJd1A3n57XQmbBWHiY+jEfCqXe7VBPyrFuNjKEJbcief4/ 5B6yuQIzzvDLqfeuvsM59zwHDgjrNf7+xkNocdI8Y98kS8Uum21HuYeq9 XvF7Gc9ZaqVRNVxowxxBo5xOX5JkyXSSbZ7NwREIkUTB46PmCp0u2vpsy Q==; X-CSE-ConnectionGUID: H3XQVRBZQ2qxsVmz7vJ8Sw== X-CSE-MsgGUID: Hl/X09+ES/+vFdJJftuD7g== X-ThreatScanner-Verdict: Negative X-IronPort-AV: E=Sophos;i="6.04,260,1695711600"; d="scan'208";a="13315277" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa2.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 08 Dec 2023 03:37:50 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Fri, 8 Dec 2023 03:37:50 -0700 Received: from microchip1-OptiPlex-9020.microchip.com (10.10.85.11) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Fri, 8 Dec 2023 03:37:45 -0700 From: shravan chippa To: , , , , , , CC: , , , , , , Subject: [PATCH v5 1/4] dmaengine: sf-pdma: Support of_dma_controller_register() Date: Fri, 8 Dec 2023 16:08:53 +0530 Message-ID: <20231208103856.3732998-2-shravan.chippa@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231208103856.3732998-1-shravan.chippa@microchip.com> References: <20231208103856.3732998-1-shravan.chippa@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231208_023802_958954_BDF3C752 X-CRM114-Status: GOOD ( 11.73 ) X-BeenThere: linux-riscv@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: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Shravan Chippa Update sf-pdma driver to adopt generic DMA device tree bindings. It calls of_dma_controller_register() with of_dma_xlate_by_chan_id to get the generic DMA device tree helper support and the DMA clients can look up the sf-pdma controller using standard APIs. Signed-off-by: Shravan Chippa --- drivers/dma/sf-pdma/sf-pdma.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/dma/sf-pdma/sf-pdma.c b/drivers/dma/sf-pdma/sf-pdma.c index 3125a2f162b4..6109e1c5a09e 100644 --- a/drivers/dma/sf-pdma/sf-pdma.c +++ b/drivers/dma/sf-pdma/sf-pdma.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include "sf-pdma.h" @@ -563,7 +564,20 @@ static int sf_pdma_probe(struct platform_device *pdev) return ret; } + ret = of_dma_controller_register(pdev->dev.of_node, + of_dma_xlate_by_chan_id, pdma); + if (ret < 0) { + dev_err(&pdev->dev, + "Can't register SiFive Platform OF_DMA. (%d)\n", ret); + goto err_unregister; + } + return 0; + +err_unregister: + dma_async_device_unregister(&pdma->dma_dev); + + return ret; } static void sf_pdma_remove(struct platform_device *pdev) @@ -583,6 +597,9 @@ static void sf_pdma_remove(struct platform_device *pdev) tasklet_kill(&ch->err_tasklet); } + if (pdev->dev.of_node) + of_dma_controller_free(pdev->dev.of_node); + dma_async_device_unregister(&pdma->dma_dev); } -- 2.34.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv