From patchwork Tue May 26 18:24:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 11571033 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 80B9A913 for ; Tue, 26 May 2020 18:24:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 728FB20823 for ; Tue, 26 May 2020 18:24:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728857AbgEZSYU (ORCPT ); Tue, 26 May 2020 14:24:20 -0400 Received: from mga02.intel.com ([134.134.136.20]:37437 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728285AbgEZSYT (ORCPT ); Tue, 26 May 2020 14:24:19 -0400 IronPort-SDR: SN8aVZY1lqRTFxYL3S6VQ/1j+aVkTEnh0XWg8xbsjjcIcNAkqTnxcS28h5ZUXZlN517k5oUl7w RLVOMJDteKlg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 May 2020 11:24:19 -0700 IronPort-SDR: 9IG/SNxnqZiiE2W4uKopTYTN0MULzmiIOOXg0v2bFkrw55JxhzXLqS/OhU+mzSUJliOYhAGeV2 U/G4Qnsua0ig== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,437,1583222400"; d="scan'208";a="302193723" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga008.jf.intel.com with ESMTP; 26 May 2020 11:24:17 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id DE3DFD2; Tue, 26 May 2020 21:24:16 +0300 (EEST) From: Andy Shevchenko To: Viresh Kumar , dmaengine@vger.kernel.org, Vinod Koul Cc: Andy Shevchenko Subject: [PATCH v1 1/2] dmaengine: dw: Register ACPI DMA controller for PCI that has companion Date: Tue, 26 May 2020 21:24:15 +0300 Message-Id: <20200526182416.52805-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org If PCI enumerated controller has a companion device, register it in the ACPI DMA controllers as well. Fixes: f7c799e950f9 ("dmaengine: dw: we do support Merrifield SoC in PCI mode") Depends-on: b685fe26e9af ("dmaengine: dw: platform: Split ACPI helpers to separate module") Signed-off-by: Andy Shevchenko --- drivers/dma/dw/Makefile | 2 +- drivers/dma/dw/acpi.c | 2 ++ drivers/dma/dw/pci.c | 4 ++++ 3 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/dma/dw/Makefile b/drivers/dma/dw/Makefile index b6f06699e91a..9e949f13e1b5 100644 --- a/drivers/dma/dw/Makefile +++ b/drivers/dma/dw/Makefile @@ -1,10 +1,10 @@ # SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_DW_DMAC_CORE) += dw_dmac_core.o dw_dmac_core-objs := core.o dw.o idma32.o +dw_dmac_core-$(CONFIG_ACPI) += acpi.o obj-$(CONFIG_DW_DMAC) += dw_dmac.o dw_dmac-y := platform.o -dw_dmac-$(CONFIG_ACPI) += acpi.o dw_dmac-$(CONFIG_OF) += of.o obj-$(CONFIG_DW_DMAC_PCI) += dw_dmac_pci.o diff --git a/drivers/dma/dw/acpi.c b/drivers/dma/dw/acpi.c index f6e8d55b4f6e..c510c109d2c3 100644 --- a/drivers/dma/dw/acpi.c +++ b/drivers/dma/dw/acpi.c @@ -41,6 +41,7 @@ void dw_dma_acpi_controller_register(struct dw_dma *dw) if (ret) dev_err(dev, "could not register acpi_dma_controller\n"); } +EXPORT_SYMBOL_GPL(dw_dma_acpi_controller_register); void dw_dma_acpi_controller_free(struct dw_dma *dw) { @@ -51,3 +52,4 @@ void dw_dma_acpi_controller_free(struct dw_dma *dw) acpi_dma_controller_free(dev); } +EXPORT_SYMBOL_GPL(dw_dma_acpi_controller_free); diff --git a/drivers/dma/dw/pci.c b/drivers/dma/dw/pci.c index cf6e8ec4c0ff..1142aa6f8c4a 100644 --- a/drivers/dma/dw/pci.c +++ b/drivers/dma/dw/pci.c @@ -60,6 +60,8 @@ static int dw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid) if (ret) return ret; + dw_dma_acpi_controller_register(chip->dw); + pci_set_drvdata(pdev, data); return 0; @@ -71,6 +73,8 @@ static void dw_pci_remove(struct pci_dev *pdev) struct dw_dma_chip *chip = data->chip; int ret; + dw_dma_acpi_controller_free(chip->dw); + ret = data->remove(chip); if (ret) dev_warn(&pdev->dev, "can't remove device properly: %d\n", ret);