From patchwork Wed Jul 31 19:56:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 11069157 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 09BD61399 for ; Wed, 31 Jul 2019 19:58:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EE72E27DCD for ; Wed, 31 Jul 2019 19:58:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E1B1127F3E; Wed, 31 Jul 2019 19:58:34 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable 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 707D627DCD for ; Wed, 31 Jul 2019 19:58:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729312AbfGaT62 (ORCPT ); Wed, 31 Jul 2019 15:58:28 -0400 Received: from mout.kundenserver.de ([212.227.126.133]:48395 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728326AbfGaT62 (ORCPT ); Wed, 31 Jul 2019 15:58:28 -0400 Received: from threadripper.lan ([149.172.19.189]) by mrelayeu.kundenserver.de (mreue012 [212.227.15.129]) with ESMTPA (Nemesis) id 1MREqy-1hgjWs14cO-00N7VN; Wed, 31 Jul 2019 21:57:50 +0200 From: Arnd Bergmann To: soc@kernel.org, linux-arm-kernel@lists.infradead.org, Vladimir Zapolskiy , Sylvain Lemieux , Russell King , Gregory Clement , Linus Walleij , Greg Kroah-Hartman , Alan Stern Cc: Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , "David S. Miller" , Guenter Roeck , linux-gpio@vger.kernel.org, netdev@vger.kernel.org, linux-serial@vger.kernel.org, linux-usb@vger.kernel.org, linux-watchdog@vger.kernel.org, Arnd Bergmann , linux-kernel@vger.kernel.org Subject: [PATCH 01/14] usb: ohci-nxp: enable compile-testing Date: Wed, 31 Jul 2019 21:56:43 +0200 Message-Id: <20190731195713.3150463-2-arnd@arndb.de> X-Mailer: git-send-email 2.20.0 In-Reply-To: <20190731195713.3150463-1-arnd@arndb.de> References: <20190731195713.3150463-1-arnd@arndb.de> MIME-Version: 1.0 X-Provags-ID: V03:K1:Y9P2ZZ0tUv+u7UP+ySO48Qnisfdw/BPCHBVVrPVOhMR0se6XHtZ /rVucQltL2fuAeI04etj2w+UKbl8qnEoBbumQEN4+999lkM3I2ap2LhDhPPYCU+sPUiSn9C MHqmRZQQCJodcJVkIaRsJz/aHzlJ2qbDtR9NKGZoXdpYt9iNJyi2kjLzGDf3w4RZjG9+E0D 3y12ssqwzFQKPPcwF8qWQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:Xo1stquwtQs=:bl7JhWbnrGGzdDgrJPO8Kj DFy2wWP0ZHZ9IanjfpKj7idAUI1oh8dwC6+KdJvb4LHeY1JtZMKcx63mjHAi686NYHgQ8VVTE qpvSBbWGUYS5+bYWsQ/4laOaF1bNS8KywD6IBggqWVu/qHZqfq9eI1VEV6NpVr5g5MyaMj1IH P1wdZBUDAvXz+mDSgg7cQloD/0mVegg6up9JQIRaNzmyYHPSzsKpv8GSHgQBiMwAmeah7yIaO cZfZOQzu/09Y4lqBFz/YeeiIARk7oD3Pa0WQbjRh+AZOmhCQaBCG4OrJn3aq3qPwJeOM0Hv1K KKSuKJKjGXmywjGRQ29Orr90FifnUh8cq1ttCAtvmbagDR63yrU64szUpPnzWtecaWIRp6s5b vTO1+amooJrMidahTJqQKSHM2fx4r9Sr5EmLoCZv+/c9BPTs+f02+pADSmTAUS22Fgv+0jaGt 4HQm2+tHlytUCew5ukF92am1YnKG10BWAYbLXeG2MH8pUFBmgRRVR7ilL7WeTx2Gedk/V79ct uGd8u0N8BHw/0ZucXrPbX+CiYkje/6ZXb3B2XMt6A0XjEX+fg0JP5yhXoUELaqnft5n+Wvivf b1eeZZbdGV+ibHimys+Ct4FUkEzW13+8qoPTMA6tfQrU+zhiUJvNpnzkTBP7V31ZHaVtkPotD 0n8Ep6f3eWAW9zElHMZFjMZoVXqmIZUOH9/ZHQqRINOgvWQfv5Zqa7S52aDmMcB7cQFIxgl+w blDIwv7/7PJz7UoT+quSvgJ675iI9iAKHP+p6g== Sender: linux-watchdog-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The driver hardcodes a hardware I/O address the way one should generally not do, and this prevents both compile-testing, and moving the platform to CONFIG_ARCH_MULTIPLATFORM. Change the code to be independent of the machine headers to allow those two. Removing the hardcoded address would be hard and is not necessary, so leave that in place for now. Signed-off-by: Arnd Bergmann Acked-by: Greg Kroah-Hartman --- drivers/usb/host/Kconfig | 3 ++- drivers/usb/host/ohci-nxp.c | 25 ++++++++++++++++++------- 2 files changed, 20 insertions(+), 8 deletions(-) diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 40b5de597112..73d233d3bf4d 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -441,7 +441,8 @@ config USB_OHCI_HCD_S3C2410 config USB_OHCI_HCD_LPC32XX tristate "Support for LPC on-chip OHCI USB controller" - depends on USB_OHCI_HCD && ARCH_LPC32XX + depends on USB_OHCI_HCD + depends on ARCH_LPC32XX || COMPILE_TEST depends on USB_ISP1301 default y ---help--- diff --git a/drivers/usb/host/ohci-nxp.c b/drivers/usb/host/ohci-nxp.c index f5f532601092..c561881d0e79 100644 --- a/drivers/usb/host/ohci-nxp.c +++ b/drivers/usb/host/ohci-nxp.c @@ -29,10 +29,7 @@ #include "ohci.h" -#include - #define USB_CONFIG_BASE 0x31020000 -#define USB_OTG_STAT_CONTROL IO_ADDRESS(USB_CONFIG_BASE + 0x110) /* USB_OTG_STAT_CONTROL bit defines */ #define TRANSPARENT_I2C_EN (1 << 7) @@ -122,19 +119,33 @@ static inline void isp1301_vbus_off(void) static void ohci_nxp_start_hc(void) { - unsigned long tmp = __raw_readl(USB_OTG_STAT_CONTROL) | HOST_EN; + void __iomem *usb_otg_stat_control = ioremap(USB_CONFIG_BASE + 0x110, 4); + unsigned long tmp; + + if (WARN_ON(!usb_otg_stat_control)) + return; + + tmp = __raw_readl(usb_otg_stat_control) | HOST_EN; - __raw_writel(tmp, USB_OTG_STAT_CONTROL); + __raw_writel(tmp, usb_otg_stat_control); isp1301_vbus_on(); + + iounmap(usb_otg_stat_control); } static void ohci_nxp_stop_hc(void) { + void __iomem *usb_otg_stat_control = ioremap(USB_CONFIG_BASE + 0x110, 4); unsigned long tmp; + if (WARN_ON(!usb_otg_stat_control)) + return; + isp1301_vbus_off(); - tmp = __raw_readl(USB_OTG_STAT_CONTROL) & ~HOST_EN; - __raw_writel(tmp, USB_OTG_STAT_CONTROL); + tmp = __raw_readl(usb_otg_stat_control) & ~HOST_EN; + __raw_writel(tmp, usb_otg_stat_control); + + iounmap(usb_otg_stat_control); } static int ohci_hcd_nxp_probe(struct platform_device *pdev)