From patchwork Sat Jan 21 09:06:39 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Kiszka X-Patchwork-Id: 9530165 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4B73760431 for ; Sat, 21 Jan 2017 09:07:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3B56328066 for ; Sat, 21 Jan 2017 09:07:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2EEDE2867C; Sat, 21 Jan 2017 09:07:33 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8E89128066 for ; Sat, 21 Jan 2017 09:07:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751125AbdAUJHZ (ORCPT ); Sat, 21 Jan 2017 04:07:25 -0500 Received: from goliath.siemens.de ([192.35.17.28]:42103 "EHLO goliath.siemens.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751049AbdAUJHV (ORCPT ); Sat, 21 Jan 2017 04:07:21 -0500 Received: from mail3.siemens.de (mail3.siemens.de [139.25.208.14]) by goliath.siemens.de (8.15.2/8.15.2) with ESMTPS id v0L96hO6010507 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 21 Jan 2017 10:06:43 +0100 Received: from md1f2u6c.ww002.siemens.net ([139.22.118.134]) by mail3.siemens.de (8.15.2/8.15.2) with ESMTP id v0L96ecN002241; Sat, 21 Jan 2017 10:06:42 +0100 From: Jan Kiszka To: Mark Brown Cc: linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Daniel Mack , Haojian Zhuang , Robert Jarzmik , linux-kernel@vger.kernel.org, Andy Shevchenko , Mika Westerberg , Jarkko Nikula , Sascha Weisenberger Subject: [PATCH v3 2/2] spi: pca2xx-pci: Allow MSI Date: Sat, 21 Jan 2017 10:06:39 +0100 Message-Id: <21af25da8245335ee5be55b3cb9527ce53c652fa.1484989599.git.jan.kiszka@siemens.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Now that the core is ready for edge-triggered interrupts, we can safely allow the PCI versions that provide this to enable the feature and, thus, have less shared interrupts. Signed-off-by: Jan Kiszka Reviewed-by: Andy Shevchenko Reviewed-by: Jarkko Nikula --- drivers/spi/spi-pxa2xx-pci.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c index 868452d..869f188 100644 --- a/drivers/spi/spi-pxa2xx-pci.c +++ b/drivers/spi/spi-pxa2xx-pci.c @@ -227,10 +227,16 @@ static int pxa2xx_spi_pci_probe(struct pci_dev *dev, ssp = &spi_pdata.ssp; ssp->phys_base = pci_resource_start(dev, 0); ssp->mmio_base = pcim_iomap_table(dev)[0]; - ssp->irq = dev->irq; ssp->port_id = (c->port_id >= 0) ? c->port_id : dev->devfn; ssp->type = c->type; + pci_set_master(dev); + + ret = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_ALL_TYPES); + if (ret < 0) + return ret; + ssp->irq = pci_irq_vector(dev, 0); + snprintf(buf, sizeof(buf), "pxa2xx-spi.%d", ssp->port_id); ssp->clk = clk_register_fixed_rate(&dev->dev, buf , NULL, 0, c->max_clk_rate);