From patchwork Fri May 8 13:29:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Serge Semin X-Patchwork-Id: 11536627 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 7418992A for ; Fri, 8 May 2020 13:31:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6353F24967 for ; Fri, 8 May 2020 13:31:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726809AbgEHNbb (ORCPT ); Fri, 8 May 2020 09:31:31 -0400 Received: from mail.baikalelectronics.com ([87.245.175.226]:43046 "EHLO mail.baikalelectronics.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727794AbgEHNbb (ORCPT ); Fri, 8 May 2020 09:31:31 -0400 Received: from localhost (unknown [127.0.0.1]) by mail.baikalelectronics.ru (Postfix) with ESMTP id D436C8030790; Fri, 8 May 2020 13:31:27 +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 tIQrgy8F71PE; Fri, 8 May 2020 16:31:27 +0300 (MSK) From: Serge Semin To: Mark Brown CC: Serge Semin , Serge Semin , Georgy Vlasov , Ramil Zaripov , Alexey Malahov , Thomas Bogendoerfer , Paul Burton , Ralf Baechle , Arnd Bergmann , Allison Randal , Andy Shevchenko , Gareth Williams , Rob Herring , , , Stephen Boyd , Thomas Gleixner , YueHaibing , Jarkko Nikula , , Subject: [PATCH 13/17] spi: dw: Initialize paddr in DW SPI MMIO private data Date: Fri, 8 May 2020 16:29:38 +0300 Message-ID: <20200508132943.9826-14-Sergey.Semin@baikalelectronics.ru> In-Reply-To: <20200508132943.9826-1-Sergey.Semin@baikalelectronics.ru> References: <20200508132943.9826-1-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-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org This field is used only for the DW SPI DMA code initialization, that's why there were no problems with it being uninitialized in Dw SPI MMIO driver. Since in a further patch we are going to introduce the DW SPI DMA support in the MMIO version of the driver, lets set the field with the physical address of the DW SPI controller registers region. 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 Cc: Alexey Malahov Cc: Thomas Bogendoerfer Cc: Paul Burton Cc: Ralf Baechle Cc: Arnd Bergmann Cc: Allison Randal Cc: Andy Shevchenko Cc: Gareth Williams Cc: Rob Herring Cc: linux-mips@vger.kernel.org Cc: devicetree@vger.kernel.org --- drivers/spi/spi-dw-mmio.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c index 384a3ab6dc2d..2ff1b700305f 100644 --- a/drivers/spi/spi-dw-mmio.c +++ b/drivers/spi/spi-dw-mmio.c @@ -136,6 +136,7 @@ static int dw_spi_mmio_probe(struct platform_device *pdev) int (*init_func)(struct platform_device *pdev, struct dw_spi_mmio *dwsmmio); struct dw_spi_mmio *dwsmmio; + struct resource *mem; struct dw_spi *dws; int ret; int num_cs; @@ -148,11 +149,13 @@ static int dw_spi_mmio_probe(struct platform_device *pdev) dws = &dwsmmio->dws; /* Get basic io resource and map it */ - dws->regs = devm_platform_ioremap_resource(pdev, 0); + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + dws->regs = devm_ioremap_resource(&pdev->dev, mem); if (IS_ERR(dws->regs)) { dev_err(&pdev->dev, "SPI region map failed\n"); return PTR_ERR(dws->regs); } + dws->paddr = mem->start; dws->irq = platform_get_irq(pdev, 0); if (dws->irq < 0)