From patchwork Fri May 29 13:12:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Serge Semin X-Patchwork-Id: 11578585 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 935D1159A for ; Fri, 29 May 2020 13:13:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 79F89207BC for ; Fri, 29 May 2020 13:13:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727896AbgE2NM6 (ORCPT ); Fri, 29 May 2020 09:12:58 -0400 Received: from mail.baikalelectronics.com ([87.245.175.226]:48228 "EHLO mail.baikalelectronics.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727087AbgE2NMZ (ORCPT ); Fri, 29 May 2020 09:12:25 -0400 Received: from localhost (unknown [127.0.0.1]) by mail.baikalelectronics.ru (Postfix) with ESMTP id E15CA8029EA3; Fri, 29 May 2020 13:12:23 +0000 (UTC) X-Virus-Scanned: amavisd-new at baikalelectronics.ru Received: from mail.baikalelectronics.ru ([127.0.0.1]) by localhost (mail.baikalelectronics.ru [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Q1XC3CJED_LQ; Fri, 29 May 2020 16:12:23 +0300 (MSK) From: Serge Semin To: Mark Brown CC: Serge Semin , Serge Semin , Georgy Vlasov , Ramil Zaripov , Andy Shevchenko , Alexey Malahov , Thomas Bogendoerfer , Arnd Bergmann , Feng Tang , Rob Herring , , , , Subject: [PATCH v6 14/16] spi: dw: Add DMA support to the DW SPI MMIO driver Date: Fri, 29 May 2020 16:12:03 +0300 Message-ID: <20200529131205.31838-15-Sergey.Semin@baikalelectronics.ru> In-Reply-To: <20200529131205.31838-1-Sergey.Semin@baikalelectronics.ru> References: <20200529131205.31838-1-Sergey.Semin@baikalelectronics.ru> MIME-Version: 1.0 X-ClientProxiedBy: MAIL.baikal.int (192.168.51.25) To mail (192.168.51.25) Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Since the common code in the spi-dw-dma.c driver is ready to be used by the MMIO driver and now provides a method to generically (on any DT or ACPI-based platforms) retrieve the Tx/Rx DMA channel handlers, we can use it and a set of the common DW SPI DMA callbacks to enable DMA at least for generic "snps,dw-apb-ssi" and "snps,dwc-ssi-1.01a" devices. Co-developed-by: Georgy Vlasov Signed-off-by: Georgy Vlasov Co-developed-by: Ramil Zaripov Signed-off-by: Ramil Zaripov Signed-off-by: Serge Semin Reviewed-by: Andy Shevchenko Cc: Alexey Malahov Cc: Thomas Bogendoerfer Cc: Arnd Bergmann Cc: Feng Tang Cc: Rob Herring Cc: linux-mips@vger.kernel.org Cc: devicetree@vger.kernel.org --- drivers/spi/spi-dw-mmio.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c index 0894b4c09496..e23d0c53a664 100644 --- a/drivers/spi/spi-dw-mmio.c +++ b/drivers/spi/spi-dw-mmio.c @@ -149,6 +149,8 @@ static int dw_spi_dw_apb_init(struct platform_device *pdev, /* Register hook to configure CTRLR0 */ dwsmmio->dws.update_cr0 = dw_spi_update_cr0; + dw_spi_dma_setup_generic(&dwsmmio->dws); + return 0; } @@ -158,6 +160,8 @@ static int dw_spi_dwc_ssi_init(struct platform_device *pdev, /* Register hook to configure CTRLR0 */ dwsmmio->dws.update_cr0 = dw_spi_update_cr0_v1_01a; + dw_spi_dma_setup_generic(&dwsmmio->dws); + return 0; }