From patchwork Mon Sep 11 12:56:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Niklas Schnelle X-Patchwork-Id: 721699 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 85A0DCA0ECF for ; Mon, 11 Sep 2023 21:40:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350404AbjIKViD (ORCPT ); Mon, 11 Sep 2023 17:38:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34530 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237544AbjIKM5M (ORCPT ); Mon, 11 Sep 2023 08:57:12 -0400 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6ED41E40; Mon, 11 Sep 2023 05:57:07 -0700 (PDT) Received: from pps.filterd (m0353727.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38BCrWjG011979; Mon, 11 Sep 2023 12:56:58 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=rkDyQv343orC0cQFIXV5N+lupfGRjwECBc5Y8Lev190=; b=XKq2XI+uF0HBNQW67ZOFz5q/OV2IBaf1a9nL1pt7Yiw4EEwTmScy0FVNn4ldd5rrl4lY 1C2IOr3Q1OGqB8axy7Nlq0av/Z9l1qb9JaBi0zb0LF7ISPGdw9dwqnKEPUaf+TK8lqio 5bkznObJOwbMfILTrvbczz54Ww4XdRo99jamIOddUyYgcnhK43p99PTmCCjasE2Xjp6M z3iuZTvMgec7ZNqT2hpbMyd4Q0n5MF190FK/tsKC9A93IbMqiaRaGROv+KzT+7XpT1v7 aTQ3yHwihjsgkljxdEgSgELMOChGik1CeOcSWfJn11V2nGhOe8vuy4To3NxXtjfdma52 sQ== Received: from ppma13.dal12v.mail.ibm.com (dd.9e.1632.ip4.static.sl-reverse.com [50.22.158.221]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3t23a1g2rj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 11 Sep 2023 12:56:57 +0000 Received: from pps.filterd (ppma13.dal12v.mail.ibm.com [127.0.0.1]) by ppma13.dal12v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 38BBD8cO002362; Mon, 11 Sep 2023 12:56:57 GMT Received: from smtprelay07.fra02v.mail.ibm.com ([9.218.2.229]) by ppma13.dal12v.mail.ibm.com (PPS) with ESMTPS id 3t158jt5uf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 11 Sep 2023 12:56:56 +0000 Received: from smtpav03.fra02v.mail.ibm.com (smtpav03.fra02v.mail.ibm.com [10.20.54.102]) by smtprelay07.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 38BCus5v62390734 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 11 Sep 2023 12:56:54 GMT Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0CBF420040; Mon, 11 Sep 2023 12:56:54 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D4FE32004B; Mon, 11 Sep 2023 12:56:53 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 11 Sep 2023 12:56:53 +0000 (GMT) From: Niklas Schnelle To: Greg Kroah-Hartman , Mathias Nyman Cc: Alan Stern , Niklas Schnelle , Basavaraj Natikar , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Arnd Bergmann , Heiko Carstens Subject: [PATCH 3/3] usb: pci-quirks: handle HAS_IOPORT dependency for UHCI handoff Date: Mon, 11 Sep 2023 14:56:53 +0200 Message-Id: <20230911125653.1393895-4-schnelle@linux.ibm.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230911125653.1393895-1-schnelle@linux.ibm.com> References: <20230911125653.1393895-1-schnelle@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: RnysB8aE3xJrkAE3y0c36Xl9OswPN3n8 X-Proofpoint-ORIG-GUID: RnysB8aE3xJrkAE3y0c36Xl9OswPN3n8 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-11_06,2023-09-05_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 mlxlogscore=537 clxscore=1015 priorityscore=1501 spamscore=0 malwarescore=0 lowpriorityscore=0 mlxscore=0 suspectscore=0 phishscore=0 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309110114 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org In a future patch HAS_IOPORT=n will result in inb()/outb() and friends not being declared. With the AMD quirk handled USB PCI quirks still use inw() in uhci_check_and_reset_hc() and thus indirectly in quirk_usb_handoff_uhci(). Handle this by conditionally compiling uhci_check_and_reset_hc() and stubbing out quirk_usb_handoff_uhci() when HAS_IOPORT is not available. Co-developed-by: Arnd Bergmann Signed-off-by: Arnd Bergmann Signed-off-by: Niklas Schnelle --- drivers/usb/host/pci-quirks.c | 23 ++++++++++++++++------- 1 file changed, 16 insertions(+), 7 deletions(-) diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 10813096d00c..1f9c1b1435d8 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -634,6 +634,16 @@ void usb_asmedia_modifyflowcontrol(struct pci_dev *pdev) } EXPORT_SYMBOL_GPL(usb_asmedia_modifyflowcontrol); +static inline int io_type_enabled(struct pci_dev *pdev, unsigned int mask) +{ + u16 cmd; + + return !pci_read_config_word(pdev, PCI_COMMAND, &cmd) && (cmd & mask); +} + +#define mmio_enabled(dev) io_type_enabled(dev, PCI_COMMAND_MEMORY) + +#if defined(CONFIG_HAS_IOPORT) && IS_ENABLED(CONFIG_USB_UHCI_HCD) /* * Make sure the controller is completely inactive, unable to * generate interrupts or do DMA. @@ -715,14 +725,7 @@ int uhci_check_and_reset_hc(struct pci_dev *pdev, unsigned long base) } EXPORT_SYMBOL_GPL(uhci_check_and_reset_hc); -static inline int io_type_enabled(struct pci_dev *pdev, unsigned int mask) -{ - u16 cmd; - return !pci_read_config_word(pdev, PCI_COMMAND, &cmd) && (cmd & mask); -} - #define pio_enabled(dev) io_type_enabled(dev, PCI_COMMAND_IO) -#define mmio_enabled(dev) io_type_enabled(dev, PCI_COMMAND_MEMORY) static void quirk_usb_handoff_uhci(struct pci_dev *pdev) { @@ -742,6 +745,12 @@ static void quirk_usb_handoff_uhci(struct pci_dev *pdev) uhci_check_and_reset_hc(pdev, base); } +#else /* defined(CONFIG_HAS_IOPORT && IS_ENABLED(CONFIG_USB_UHCI_HCD) */ + +static void quirk_usb_handoff_uhci(struct pci_dev *pdev) {} + +#endif /* defined(CONFIG_HAS_IOPORT && IS_ENABLED(CONFIG_USB_UHCI_HCD) */ + static int mmio_resource_enabled(struct pci_dev *pdev, int idx) { return pci_resource_start(pdev, idx) && mmio_enabled(pdev);