From patchwork Tue Mar 21 10:19:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 665800 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 64767C6FD1D for ; Tue, 21 Mar 2023 10:19:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229494AbjCUKTa (ORCPT ); Tue, 21 Mar 2023 06:19:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35806 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230060AbjCUKT0 (ORCPT ); Tue, 21 Mar 2023 06:19:26 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 202F33C02 for ; Tue, 21 Mar 2023 03:19:19 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1peZ5I-0000qy-DI; Tue, 21 Mar 2023 11:19:16 +0100 Received: from [2a0a:edc0:0:900:1d::77] (helo=ptz.office.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1peZ5H-005fIg-Oe; Tue, 21 Mar 2023 11:19:15 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1peZ5G-006ioe-Sm; Tue, 21 Mar 2023 11:19:14 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Greg Kroah-Hartman , Ard Biesheuvel Cc: linux-usb@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 1/2] usb: host: u132-hcd: Various style improvements Date: Tue, 21 Mar 2023 11:19:10 +0100 Message-Id: <20230321101911.342538-2-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230321101911.342538-1-u.kleine-koenig@pengutronix.de> References: <20230321101911.342538-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=41147; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=GL4QJVkvYYek1FplpD5aLkCBALtEY7r0M/CIWNRM1Xk=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBkGYSXC8VokEY+3yc/2o4ve/NiTkx1Cxxdg2oCX lm83cJnNv6JATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZBmElwAKCRCPgPtYfRL+ Tg6DB/4k8nOlSA/MtMRuWKdru/f5az2YOnpO+BBaSrhDsIZ4HnVYub5u5hNRULJAvqP/aUR9UOw QeeRdiKwmuu3rdW9CwFWSaXCHmFG/AOmiSTRImrkx+jEZGjS/jeZdFR0WtG1ykPH5nPYumKkV4J aJeypHYWWk4Dry4q6rTrFc61O2clIEdlpsumi0opV/Vo5HPeHH/uHiR48fN5wl7KaVs0btzaob5 YsNcyGcNgG4ffec0J3uNE7jxLeZ18ir/SR0JPzpqATrCfMp4l+KnR7qKalnRZWILBH82xTNs878 ttMKSh+qEWBDnHrQnxT0yLkZr+2hzvRZ5BjpALTegzaJaZMW X-Developer-Key: i=u.kleine-koenig@pengutronix.de; a=openpgp; fpr=0D2511F322BFAB1C1580266BE2DCDD9132669BD6 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-usb@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org - Don't break strings over two (or more) lines - Put the , separating function args at the end of line - Replace if (cond) {} else { ... } by if (!cond) { ... } - Consistently use curly braces in all blocks belonging to the same if if at least one block needs them. - Don't start a new line just for ); There are no semantic changes. Signed-off-by: Uwe Kleine-König --- drivers/usb/host/u132-hcd.c | 398 +++++++++++++++++++----------------- 1 file changed, 208 insertions(+), 190 deletions(-) diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index 95240c9c45bd..f5433993c76e 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -71,8 +71,8 @@ INT_MODULE_PARM(testing, 0); /* Some boards misreport power switching/overcurrent*/ static bool distrust_firmware = true; module_param(distrust_firmware, bool, 0); -MODULE_PARM_DESC(distrust_firmware, "true to distrust firmware power/overcurrent" - "t setup"); +MODULE_PARM_DESC(distrust_firmware, + "true to distrust firmware power/overcurrentt setup"); static DECLARE_WAIT_QUEUE_HEAD(u132_hcd_wait); /* * u132_module_lock exists to protect access to global variables @@ -254,8 +254,9 @@ static void u132_hcd_delete(struct kref *kref) mutex_lock(&u132_module_lock); u132_instances -= 1; mutex_unlock(&u132_module_lock); - dev_warn(&u132->platform_dev->dev, "FREEING the hcd=%p and thus the u13" - "2=%p going=%d pdev=%p\n", hcd, u132, u132->going, pdev); + dev_warn(&u132->platform_dev->dev, + "FREEING the hcd=%p and thus the u132=%p going=%d pdev=%p\n", + hcd, u132, u132->going, pdev); usb_put_hcd(hcd); } @@ -346,8 +347,9 @@ static void u132_endp_delete(struct kref *kref) ring->curr_endp = next_endp; list_del(head); } - } else + } else { list_del(head); + } if (endp->input) { udev->endp_number_in[usb_endp] = 0; u132_udev_put_kref(u132, udev); @@ -419,35 +421,32 @@ static int read_roothub_info(struct u132 *u132) { u32 revision; int retval; + struct device *dev = &u132->platform_dev->dev; + retval = u132_read_pcimem(u132, revision, &revision); if (retval) { - dev_err(&u132->platform_dev->dev, "error %d accessing device co" - "ntrol\n", retval); + dev_err(dev, "error %d accessing device control\n", retval); return retval; } else if ((revision & 0xFF) == 0x10) { } else if ((revision & 0xFF) == 0x11) { } else { - dev_err(&u132->platform_dev->dev, "device revision is not valid" - " %08X\n", revision); + dev_err(dev, "device revision is not valid %08X\n", revision); return -ENODEV; } retval = u132_read_pcimem(u132, control, &u132->hc_control); if (retval) { - dev_err(&u132->platform_dev->dev, "error %d accessing device co" - "ntrol\n", retval); + dev_err(dev, "error %d accessing device control\n", retval); return retval; } retval = u132_read_pcimem(u132, roothub.status, &u132->hc_roothub_status); if (retval) { - dev_err(&u132->platform_dev->dev, "error %d accessing device re" - "g roothub.status\n", retval); + dev_err(dev, "error %d accessing device reg roothub.status\n", retval); return retval; } retval = u132_read_pcimem(u132, roothub.a, &u132->hc_roothub_a); if (retval) { - dev_err(&u132->platform_dev->dev, "error %d accessing device re" - "g roothub.a\n", retval); + dev_err(dev, "error %d accessing device reg roothub.a\n", retval); return retval; } { @@ -457,12 +456,12 @@ static int read_roothub_info(struct u132 *u132) retval = u132_read_pcimem(u132, roothub.portstatus[i], &u132->hc_roothub_portstatus[i]); if (retval) { - dev_err(&u132->platform_dev->dev, "error %d acc" - "essing device roothub.portstatus[%d]\n" - , retval, i); + dev_err(dev, "error %d accessing device roothub.portstatus[%d]\n", + retval, i); return retval; - } else + } else { i += 1; + } } } return 0; @@ -472,8 +471,8 @@ static void u132_hcd_monitor_work(struct work_struct *work) { struct u132 *u132 = container_of(work, struct u132, monitor.work); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, "device has been removed %d\n", + u132->going); u132_monitor_put_kref(u132); return; } else if (u132->going > 0) { @@ -622,8 +621,8 @@ static void u132_hcd_interrupt_recv(void *data, struct urb *urb, u8 *buf, struct u132_udev *udev = &u132->udev[address]; mutex_lock(&u132->scheduler_lock); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, "device has been removed %d\n", + u132->going); mutex_unlock(&u132->scheduler_lock); u132_hcd_forget_urb(u132, endp, urb, -ENODEV); return; @@ -633,8 +632,8 @@ static void u132_hcd_interrupt_recv(void *data, struct urb *urb, u8 *buf, u132_hcd_giveback_urb(u132, endp, urb, -EINTR); return; } else if (u132->going > 0) { - dev_err(&u132->platform_dev->dev, "device is being removed " - "urb=%p\n", urb); + dev_err(&u132->platform_dev->dev, + "device is being removed urb=%p\n", urb); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, -ENODEV); return; @@ -694,9 +693,8 @@ static void u132_hcd_interrupt_recv(void *data, struct urb *urb, u8 *buf, endp->toggle_bits = 0x2; usb_settoggle(udev->usb_device, endp->usb_endp, 0, 0); - dev_err(&u132->platform_dev->dev, "urb=%p givin" - "g back INTERRUPT %s\n", urb, - cc_to_text[condition_code]); + dev_err(&u132->platform_dev->dev, "urb=%p giving back INTERRUPT %s\n", + urb, cc_to_text[condition_code]); } mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, @@ -704,8 +702,8 @@ static void u132_hcd_interrupt_recv(void *data, struct urb *urb, u8 *buf, return; } } else { - dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p " - "unlinked=%d\n", urb, urb->unlinked); + dev_err(&u132->platform_dev->dev, + "CALLBACK called urb=%p unlinked=%d\n", urb, urb->unlinked); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, 0); return; @@ -721,8 +719,8 @@ static void u132_hcd_bulk_output_sent(void *data, struct urb *urb, u8 *buf, u8 address = u132->addr[endp->usb_addr].address; mutex_lock(&u132->scheduler_lock); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, "device has been removed %d\n", + u132->going); mutex_unlock(&u132->scheduler_lock); u132_hcd_forget_urb(u132, endp, urb, -ENODEV); return; @@ -732,8 +730,8 @@ static void u132_hcd_bulk_output_sent(void *data, struct urb *urb, u8 *buf, u132_hcd_giveback_urb(u132, endp, urb, -EINTR); return; } else if (u132->going > 0) { - dev_err(&u132->platform_dev->dev, "device is being removed " - "urb=%p\n", urb); + dev_err(&u132->platform_dev->dev, + "device is being removed urb=%p\n", urb); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, -ENODEV); return; @@ -755,8 +753,8 @@ static void u132_hcd_bulk_output_sent(void *data, struct urb *urb, u8 *buf, return; } } else { - dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p " - "unlinked=%d\n", urb, urb->unlinked); + dev_err(&u132->platform_dev->dev, + "CALLBACK called urb=%p unlinked=%d\n", urb, urb->unlinked); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, 0); return; @@ -773,8 +771,8 @@ static void u132_hcd_bulk_input_recv(void *data, struct urb *urb, u8 *buf, struct u132_udev *udev = &u132->udev[address]; mutex_lock(&u132->scheduler_lock); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, + "device has been removed %d\n", u132->going); mutex_unlock(&u132->scheduler_lock); u132_hcd_forget_urb(u132, endp, urb, -ENODEV); return; @@ -784,8 +782,8 @@ static void u132_hcd_bulk_input_recv(void *data, struct urb *urb, u8 *buf, u132_hcd_giveback_urb(u132, endp, urb, -EINTR); return; } else if (u132->going > 0) { - dev_err(&u132->platform_dev->dev, "device is being removed " - "urb=%p\n", urb); + dev_err(&u132->platform_dev->dev, + "device is being removed urb=%p\n", urb); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, -ENODEV); return; @@ -833,9 +831,9 @@ static void u132_hcd_bulk_input_recv(void *data, struct urb *urb, u8 *buf, endp->toggle_bits = toggle_bits; usb_settoggle(udev->usb_device, endp->usb_endp, 0, 1 & toggle_bits); - dev_warn(&u132->platform_dev->dev, "urb=%p(SHORT NOT OK" - ") giving back BULK IN %s\n", urb, - cc_to_text[condition_code]); + dev_warn(&u132->platform_dev->dev, + "urb=%p(SHORT NOT OK) giving back BULK IN %s\n", + urb, cc_to_text[condition_code]); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, 0); return; @@ -849,17 +847,18 @@ static void u132_hcd_bulk_input_recv(void *data, struct urb *urb, u8 *buf, } else { endp->toggle_bits = 0x2; usb_settoggle(udev->usb_device, endp->usb_endp, 0, 0); - dev_err(&u132->platform_dev->dev, "urb=%p giving back B" - "ULK IN code=%d %s\n", urb, condition_code, - cc_to_text[condition_code]); + dev_err(&u132->platform_dev->dev, + "urb=%p giving back BULK IN code=%d %s\n", + urb, condition_code, cc_to_text[condition_code]); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, cc_to_error[condition_code]); return; } } else { - dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p " - "unlinked=%d\n", urb, urb->unlinked); + dev_err(&u132->platform_dev->dev, + "CALLBACK called urb=%p unlinked=%d\n", + urb, urb->unlinked); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, 0); return; @@ -874,8 +873,8 @@ static void u132_hcd_configure_empty_sent(void *data, struct urb *urb, u8 *buf, struct u132 *u132 = endp->u132; mutex_lock(&u132->scheduler_lock); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, + "device has been removed %d\n", u132->going); mutex_unlock(&u132->scheduler_lock); u132_hcd_forget_urb(u132, endp, urb, -ENODEV); return; @@ -885,8 +884,8 @@ static void u132_hcd_configure_empty_sent(void *data, struct urb *urb, u8 *buf, u132_hcd_giveback_urb(u132, endp, urb, -EINTR); return; } else if (u132->going > 0) { - dev_err(&u132->platform_dev->dev, "device is being removed " - "urb=%p\n", urb); + dev_err(&u132->platform_dev->dev, + "device is being removed urb=%p\n", urb); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, -ENODEV); return; @@ -895,8 +894,9 @@ static void u132_hcd_configure_empty_sent(void *data, struct urb *urb, u8 *buf, u132_hcd_giveback_urb(u132, endp, urb, 0); return; } else { - dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p " - "unlinked=%d\n", urb, urb->unlinked); + dev_err(&u132->platform_dev->dev, + "CALLBACK called urb=%p unlinked=%d\n", + urb, urb->unlinked); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, 0); return; @@ -912,8 +912,8 @@ static void u132_hcd_configure_input_recv(void *data, struct urb *urb, u8 *buf, u8 address = u132->addr[endp->usb_addr].address; mutex_lock(&u132->scheduler_lock); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, + "device has been removed %d\n", u132->going); mutex_unlock(&u132->scheduler_lock); u132_hcd_forget_urb(u132, endp, urb, -ENODEV); return; @@ -923,8 +923,8 @@ static void u132_hcd_configure_input_recv(void *data, struct urb *urb, u8 *buf, u132_hcd_giveback_urb(u132, endp, urb, -EINTR); return; } else if (u132->going > 0) { - dev_err(&u132->platform_dev->dev, "device is being removed " - "urb=%p\n", urb); + dev_err(&u132->platform_dev->dev, + "device is being removed urb=%p\n", urb); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, -ENODEV); return; @@ -952,23 +952,24 @@ static void u132_hcd_configure_input_recv(void *data, struct urb *urb, u8 *buf, return; } else if (condition_code == TD_CC_STALL) { mutex_unlock(&u132->scheduler_lock); - dev_warn(&u132->platform_dev->dev, "giving back SETUP I" - "NPUT STALL urb %p\n", urb); + dev_warn(&u132->platform_dev->dev, + "giving back SETUP INPUT STALL urb %p\n", urb); u132_hcd_giveback_urb(u132, endp, urb, cc_to_error[condition_code]); return; } else { mutex_unlock(&u132->scheduler_lock); - dev_err(&u132->platform_dev->dev, "giving back SETUP IN" - "PUT %s urb %p\n", cc_to_text[condition_code], - urb); + dev_err(&u132->platform_dev->dev, + "giving back SETUP INPUT %s urb %p\n", + cc_to_text[condition_code], urb); u132_hcd_giveback_urb(u132, endp, urb, cc_to_error[condition_code]); return; } } else { - dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p " - "unlinked=%d\n", urb, urb->unlinked); + dev_err(&u132->platform_dev->dev, + "CALLBACK called urb=%p unlinked=%d\n", + urb, urb->unlinked); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, 0); return; @@ -983,8 +984,8 @@ static void u132_hcd_configure_empty_recv(void *data, struct urb *urb, u8 *buf, struct u132 *u132 = endp->u132; mutex_lock(&u132->scheduler_lock); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, "device has been removed %d\n", + u132->going); mutex_unlock(&u132->scheduler_lock); u132_hcd_forget_urb(u132, endp, urb, -ENODEV); return; @@ -994,8 +995,8 @@ static void u132_hcd_configure_empty_recv(void *data, struct urb *urb, u8 *buf, u132_hcd_giveback_urb(u132, endp, urb, -EINTR); return; } else if (u132->going > 0) { - dev_err(&u132->platform_dev->dev, "device is being removed " - "urb=%p\n", urb); + dev_err(&u132->platform_dev->dev, + "device is being removed urb=%p\n", urb); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, -ENODEV); return; @@ -1004,8 +1005,9 @@ static void u132_hcd_configure_empty_recv(void *data, struct urb *urb, u8 *buf, u132_hcd_giveback_urb(u132, endp, urb, 0); return; } else { - dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p " - "unlinked=%d\n", urb, urb->unlinked); + dev_err(&u132->platform_dev->dev, + "CALLBACK called urb=%p unlinked=%d\n", + urb, urb->unlinked); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, 0); return; @@ -1021,8 +1023,8 @@ static void u132_hcd_configure_setup_sent(void *data, struct urb *urb, u8 *buf, u8 address = u132->addr[endp->usb_addr].address; mutex_lock(&u132->scheduler_lock); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, "device has been removed %d\n", + u132->going); mutex_unlock(&u132->scheduler_lock); u132_hcd_forget_urb(u132, endp, urb, -ENODEV); return; @@ -1032,8 +1034,8 @@ static void u132_hcd_configure_setup_sent(void *data, struct urb *urb, u8 *buf, u132_hcd_giveback_urb(u132, endp, urb, -EINTR); return; } else if (u132->going > 0) { - dev_err(&u132->platform_dev->dev, "device is being removed " - "urb=%p\n", urb); + dev_err(&u132->platform_dev->dev, + "device is being removed urb=%p\n", urb); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, -ENODEV); return; @@ -1062,8 +1064,9 @@ static void u132_hcd_configure_setup_sent(void *data, struct urb *urb, u8 *buf, return; } } else { - dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p " - "unlinked=%d\n", urb, urb->unlinked); + dev_err(&u132->platform_dev->dev, + "CALLBACK called urb=%p unlinked=%d\n", + urb, urb->unlinked); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, 0); return; @@ -1080,8 +1083,8 @@ static void u132_hcd_enumeration_empty_recv(void *data, struct urb *urb, struct u132_udev *udev = &u132->udev[address]; mutex_lock(&u132->scheduler_lock); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, + "device has been removed %d\n", u132->going); mutex_unlock(&u132->scheduler_lock); u132_hcd_forget_urb(u132, endp, urb, -ENODEV); return; @@ -1091,8 +1094,8 @@ static void u132_hcd_enumeration_empty_recv(void *data, struct urb *urb, u132_hcd_giveback_urb(u132, endp, urb, -EINTR); return; } else if (u132->going > 0) { - dev_err(&u132->platform_dev->dev, "device is being removed " - "urb=%p\n", urb); + dev_err(&u132->platform_dev->dev, + "device is being removed urb=%p\n", urb); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, -ENODEV); return; @@ -1103,8 +1106,9 @@ static void u132_hcd_enumeration_empty_recv(void *data, struct urb *urb, u132_hcd_giveback_urb(u132, endp, urb, 0); return; } else { - dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p " - "unlinked=%d\n", urb, urb->unlinked); + dev_err(&u132->platform_dev->dev, + "CALLBACK called urb=%p unlinked=%d\n", + urb, urb->unlinked); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, 0); return; @@ -1119,8 +1123,8 @@ static void u132_hcd_enumeration_address_sent(void *data, struct urb *urb, struct u132 *u132 = endp->u132; mutex_lock(&u132->scheduler_lock); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, + "device has been removed %d\n", u132->going); mutex_unlock(&u132->scheduler_lock); u132_hcd_forget_urb(u132, endp, urb, -ENODEV); return; @@ -1130,8 +1134,7 @@ static void u132_hcd_enumeration_address_sent(void *data, struct urb *urb, u132_hcd_giveback_urb(u132, endp, urb, -EINTR); return; } else if (u132->going > 0) { - dev_err(&u132->platform_dev->dev, "device is being removed " - "urb=%p\n", urb); + dev_err(&u132->platform_dev->dev, "device is being removed urb=%p\n", urb); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, -ENODEV); return; @@ -1146,8 +1149,9 @@ static void u132_hcd_enumeration_address_sent(void *data, struct urb *urb, u132_hcd_giveback_urb(u132, endp, urb, retval); return; } else { - dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p " - "unlinked=%d\n", urb, urb->unlinked); + dev_err(&u132->platform_dev->dev, + "CALLBACK called urb=%p unlinked=%d\n", + urb, urb->unlinked); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, 0); return; @@ -1162,8 +1166,8 @@ static void u132_hcd_initial_empty_sent(void *data, struct urb *urb, u8 *buf, struct u132 *u132 = endp->u132; mutex_lock(&u132->scheduler_lock); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, + "device has been removed %d\n", u132->going); mutex_unlock(&u132->scheduler_lock); u132_hcd_forget_urb(u132, endp, urb, -ENODEV); return; @@ -1173,8 +1177,8 @@ static void u132_hcd_initial_empty_sent(void *data, struct urb *urb, u8 *buf, u132_hcd_giveback_urb(u132, endp, urb, -EINTR); return; } else if (u132->going > 0) { - dev_err(&u132->platform_dev->dev, "device is being removed " - "urb=%p\n", urb); + dev_err(&u132->platform_dev->dev, + "device is being removed urb=%p\n", urb); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, -ENODEV); return; @@ -1183,8 +1187,9 @@ static void u132_hcd_initial_empty_sent(void *data, struct urb *urb, u8 *buf, u132_hcd_giveback_urb(u132, endp, urb, 0); return; } else { - dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p " - "unlinked=%d\n", urb, urb->unlinked); + dev_err(&u132->platform_dev->dev, + "CALLBACK called urb=%p unlinked=%d\n", + urb, urb->unlinked); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, 0); return; @@ -1200,8 +1205,8 @@ static void u132_hcd_initial_input_recv(void *data, struct urb *urb, u8 *buf, u8 address = u132->addr[endp->usb_addr].address; mutex_lock(&u132->scheduler_lock); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, + "device has been removed %d\n", u132->going); mutex_unlock(&u132->scheduler_lock); u132_hcd_forget_urb(u132, endp, urb, -ENODEV); return; @@ -1211,8 +1216,8 @@ static void u132_hcd_initial_input_recv(void *data, struct urb *urb, u8 *buf, u132_hcd_giveback_urb(u132, endp, urb, -EINTR); return; } else if (u132->going > 0) { - dev_err(&u132->platform_dev->dev, "device is being removed " - "urb=%p\n", urb); + dev_err(&u132->platform_dev->dev, + "device is being removed urb=%p\n", urb); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, -ENODEV); return; @@ -1235,8 +1240,9 @@ static void u132_hcd_initial_input_recv(void *data, struct urb *urb, u8 *buf, u132_hcd_giveback_urb(u132, endp, urb, retval); return; } else { - dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p " - "unlinked=%d\n", urb, urb->unlinked); + dev_err(&u132->platform_dev->dev, + "CALLBACK called urb=%p unlinked=%d\n", + urb, urb->unlinked); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, 0); return; @@ -1252,8 +1258,8 @@ static void u132_hcd_initial_setup_sent(void *data, struct urb *urb, u8 *buf, u8 address = u132->addr[endp->usb_addr].address; mutex_lock(&u132->scheduler_lock); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, + "device has been removed %d\n", u132->going); mutex_unlock(&u132->scheduler_lock); u132_hcd_forget_urb(u132, endp, urb, -ENODEV); return; @@ -1263,8 +1269,8 @@ static void u132_hcd_initial_setup_sent(void *data, struct urb *urb, u8 *buf, u132_hcd_giveback_urb(u132, endp, urb, -EINTR); return; } else if (u132->going > 0) { - dev_err(&u132->platform_dev->dev, "device is being removed " - "urb=%p\n", urb); + dev_err(&u132->platform_dev->dev, + "device is being removed urb=%p\n", urb); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, -ENODEV); return; @@ -1279,8 +1285,9 @@ static void u132_hcd_initial_setup_sent(void *data, struct urb *urb, u8 *buf, u132_hcd_giveback_urb(u132, endp, urb, retval); return; } else { - dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p " - "unlinked=%d\n", urb, urb->unlinked); + dev_err(&u132->platform_dev->dev, + "CALLBACK called urb=%p unlinked=%d\n", + urb, urb->unlinked); mutex_unlock(&u132->scheduler_lock); u132_hcd_giveback_urb(u132, endp, urb, 0); return; @@ -1462,8 +1469,7 @@ static void u132_hcd_endp_work_scheduler(struct work_struct *work) retval = edset_input(u132, ring, endp, urb, address, endp->toggle_bits, u132_hcd_bulk_input_recv); - if (retval == 0) { - } else + if (retval != 0) u132_hcd_giveback_urb(u132, endp, urb, retval); return; @@ -1485,8 +1491,7 @@ static void u132_hcd_endp_work_scheduler(struct work_struct *work) retval = edset_output(u132, ring, endp, urb, address, endp->toggle_bits, u132_hcd_bulk_output_sent); - if (retval == 0) { - } else + if (retval != 0) u132_hcd_giveback_urb(u132, endp, urb, retval); return; @@ -1608,8 +1613,9 @@ static int u132_run(struct u132 *u132) retval = u132_read_pcimem(u132, control, &u132->hc_control); if (retval) return retval; - dev_info(&u132->platform_dev->dev, "resetting from state '%s', control " - "= %08X\n", hcfs2string(u132->hc_control & OHCI_CTRL_HCFS), + dev_info(&u132->platform_dev->dev, + "resetting from state '%s', control = %08X\n", + hcfs2string(u132->hc_control & OHCI_CTRL_HCFS), u132->hc_control); switch (u132->hc_control & OHCI_CTRL_HCFS) { case OHCI_USB_OPER: @@ -1662,8 +1668,8 @@ extra: { return retval; if (0 != (status & OHCI_HCR)) { if (--reset_timeout == 0) { - dev_err(&u132->platform_dev->dev, "USB HC reset" - " timed out!\n"); + dev_err(&u132->platform_dev->dev, + "USB HC reset timed out!\n"); return -ENODEV; } else { msleep(5); @@ -1701,9 +1707,11 @@ extra: { if (!(u132->flags & OHCI_QUIRK_INITRESET)) { u132->flags |= OHCI_QUIRK_INITRESET; goto retry; - } else - dev_err(&u132->platform_dev->dev, "init err(%08x %04x)" - "\n", fminterval, periodicstart); + } else { + dev_err(&u132->platform_dev->dev, + "init err(%08x %04x)\n", + fminterval, periodicstart); + } } /* start controller operations */ u132->hc_control &= OHCI_CTRL_RWC; u132->hc_control |= OHCI_CONTROL_INIT | OHCI_CTRL_BLE | OHCI_USB_OPER; @@ -1767,11 +1775,12 @@ static void u132_hcd_stop(struct usb_hcd *hcd) { struct u132 *u132 = hcd_to_u132(hcd); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "u132 device %p(hcd=%p) has b" - "een removed %d\n", u132, hcd, u132->going); + dev_err(&u132->platform_dev->dev, + "u132 device %p(hcd=%p) has been removed %d\n", + u132, hcd, u132->going); } else if (u132->going > 0) { - dev_err(&u132->platform_dev->dev, "device hcd=%p is being remov" - "ed\n", hcd); + dev_err(&u132->platform_dev->dev, + "device hcd=%p is being removed\n", hcd); } else { mutex_lock(&u132->sw_lock); msleep(100); @@ -1784,8 +1793,8 @@ static int u132_hcd_start(struct usb_hcd *hcd) { struct u132 *u132 = hcd_to_u132(hcd); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, + "device has been removed %d\n", u132->going); return -ENODEV; } else if (u132->going > 0) { dev_err(&u132->platform_dev->dev, "device is being removed\n"); @@ -1803,8 +1812,8 @@ static int u132_hcd_start(struct usb_hcd *hcd) if (vendor == PCI_VENDOR_ID_AMD && device == 0x740c) { u132->flags = OHCI_QUIRK_AMD756; } else if (vendor == PCI_VENDOR_ID_OPTI && device == 0xc861) { - dev_err(&u132->platform_dev->dev, "WARNING: OPTi workar" - "ounds unavailable\n"); + dev_err(&u132->platform_dev->dev, + "WARNING: OPTi workarounds unavailable\n"); } else if (vendor == PCI_VENDOR_ID_COMPAQ && device == 0xa0f8) u132->flags |= OHCI_QUIRK_ZFMICRO; retval = u132_run(u132); @@ -1825,8 +1834,8 @@ static int u132_hcd_reset(struct usb_hcd *hcd) { struct u132 *u132 = hcd_to_u132(hcd); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, + "device has been removed %d\n", u132->going); return -ENODEV; } else if (u132->going > 0) { dev_err(&u132->platform_dev->dev, "device is being removed\n"); @@ -2181,8 +2190,8 @@ static int queue_control_on_old_endpoint(struct u132 *u132, } } if (I == 0) { - dev_err(&u132->platform_dev->dev, "run out of d" - "evice space\n"); + dev_err(&u132->platform_dev->dev, + "run out of device space\n"); return -EINVAL; } urb->hcpriv = u132; @@ -2239,12 +2248,12 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, } } if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, + "device has been removed %d\n", u132->going); return -ENODEV; } else if (u132->going > 0) { - dev_err(&u132->platform_dev->dev, "device is being removed " - "urb=%p\n", urb); + dev_err(&u132->platform_dev->dev, + "device is being removed urb=%p\n", urb); return -ESHUTDOWN; } else { u8 usb_addr = usb_pipedevice(urb->pipe); @@ -2289,8 +2298,8 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, usb_endp, address, mem_flags); } } else if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) { - dev_err(&u132->platform_dev->dev, "the hardware does no" - "t support PIPE_ISOCHRONOUS\n"); + dev_err(&u132->platform_dev->dev, + "the hardware does not support PIPE_ISOCHRONOUS\n"); return -EINVAL; } else if (usb_pipetype(urb->pipe) == PIPE_BULK) { u8 address = u132->addr[usb_addr].address; @@ -2323,10 +2332,11 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, } } else if (u132->num_endpoints == MAX_U132_ENDPS) { return -EINVAL; - } else + } else { return create_endpoint_and_queue_bulk(u132, udev, urb, usb_dev, usb_addr, usb_endp, address, mem_flags); + } } else { struct u132_endp *endp = urb->ep->hcpriv; u16 urb_size = 8; @@ -2343,8 +2353,9 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, int w = sprintf(d, " %02X", *b++); d += w; l += w; - } else + } else { d += sprintf(d, " .."); + } } if (endp) { unsigned long irqs; @@ -2371,10 +2382,11 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, } } else if (u132->num_endpoints == MAX_U132_ENDPS) { return -EINVAL; - } else + } else { return create_endpoint_and_queue_control(u132, urb, usb_dev, usb_addr, usb_endp, mem_flags); + } } } } @@ -2394,9 +2406,9 @@ static int dequeue_from_overflow_chain(struct u132 *u132, return 0; } } - dev_err(&u132->platform_dev->dev, "urb=%p not found in endp[%d]=%p ring" - "[%d] %c%c usb_endp=%d usb_addr=%d size=%d next=%04X last=%04X" - "\n", urb, endp->endp_number, endp, endp->ring->number, + dev_err(&u132->platform_dev->dev, + "urb=%p not found in endp[%d]=%p ring[%d] %c%c usb_endp=%d usb_addr=%d size=%d next=%04X last=%04X\n", + urb, endp->endp_number, endp, endp->ring->number, endp->input ? 'I' : ' ', endp->output ? 'O' : ' ', endp->usb_endp, endp->usb_addr, endp->queue_size, endp->queue_next, endp->queue_last); @@ -2416,9 +2428,9 @@ static int u132_endp_urb_dequeue(struct u132 *u132, struct u132_endp *endp, return rc; } if (endp->queue_size == 0) { - dev_err(&u132->platform_dev->dev, "urb=%p not found in endp[%d]" - "=%p ring[%d] %c%c usb_endp=%d usb_addr=%d\n", urb, - endp->endp_number, endp, endp->ring->number, + dev_err(&u132->platform_dev->dev, + "urb=%p not found in endp[%d]=%p ring[%d] %c%c usb_endp=%d usb_addr=%d\n", + urb, endp->endp_number, endp, endp->ring->number, endp->input ? 'I' : ' ', endp->output ? 'O' : ' ', endp->usb_endp, endp->usb_addr); spin_unlock_irqrestore(&endp->queue_lock.slock, irqs); @@ -2477,10 +2489,9 @@ static int u132_endp_urb_dequeue(struct u132 *u132, struct u132_endp *endp, usb_hcd_giveback_urb(hcd, urb, status); return 0; } else if (list_empty(&endp->urb_more)) { - dev_err(&u132->platform_dev->dev, "urb=%p not found in " - "endp[%d]=%p ring[%d] %c%c usb_endp=%d usb_addr" - "=%d size=%d next=%04X last=%04X\n", urb, - endp->endp_number, endp, endp->ring->number, + dev_err(&u132->platform_dev->dev, + "urb=%p not found in endp[%d]=%p ring[%d] %c%c usb_endp=%d usb_addr=%d size=%d next=%04X last=%04X\n", + urb, endp->endp_number, endp, endp->ring->number, endp->input ? 'I' : ' ', endp->output ? 'O' : ' ', endp->usb_endp, endp->usb_addr, endp->queue_size, @@ -2503,8 +2514,8 @@ static int u132_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) { struct u132 *u132 = hcd_to_u132(hcd); if (u132->going > 2) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, + "device has been removed %d\n", u132->going); return -ENODEV; } else { u8 usb_addr = usb_pipedevice(urb->pipe); @@ -2528,9 +2539,9 @@ static void u132_endpoint_disable(struct usb_hcd *hcd, { struct u132 *u132 = hcd_to_u132(hcd); if (u132->going > 2) { - dev_err(&u132->platform_dev->dev, "u132 device %p(hcd=%p hep=%p" - ") has been removed %d\n", u132, hcd, hep, - u132->going); + dev_err(&u132->platform_dev->dev, + "u132 device %p(hcd=%p hep=%p) has been removed %d\n", + u132, hcd, hep, u132->going); } else { struct u132_endp *endp = hep->hcpriv; if (endp) @@ -2542,8 +2553,8 @@ static int u132_get_frame(struct usb_hcd *hcd) { struct u132 *u132 = hcd_to_u132(hcd); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, + "device has been removed %d\n", u132->going); return -ENODEV; } else if (u132->going > 0) { dev_err(&u132->platform_dev->dev, "device is being removed\n"); @@ -2590,8 +2601,9 @@ static int u132_roothub_descriptor(struct u132 *u132, if (u132->num_ports > 7) { desc->u.hs.DeviceRemovable[1] = (rh_b & RH_B_DR) >> 8; desc->u.hs.DeviceRemovable[2] = 0xff; - } else + } else { desc->u.hs.DeviceRemovable[1] = 0xff; + } return 0; } @@ -2614,8 +2626,8 @@ static int u132_roothub_portstatus(struct u132 *u132, __le32 *desc, u16 wIndex) roothub.portstatus[port], &rh_portstatus); *desc = cpu_to_le32(rh_portstatus); if (*(u16 *) (desc + 2)) { - dev_info(&u132->platform_dev->dev, "Port %d Status Chan" - "ge = %08X\n", port, *desc); + dev_info(&u132->platform_dev->dev, + "Port %d Status Change = %08X\n", port, *desc); } return ret_portstatus; } @@ -2660,9 +2672,10 @@ static int u132_roothub_portreset(struct u132 *u132, int port_index) if (retval) return retval; } - } else + } else { break; /* start the next reset, sleep till it's probably done */ + } retval = u132_write_pcimem(u132, roothub.portstatus[port_index], RH_PS_PRS); if (retval) @@ -2721,8 +2734,8 @@ static int u132_roothub_clearportfeature(struct u132 *u132, u16 wValue, temp = RH_PS_POCI; if ((u132->hc_control & OHCI_CTRL_HCFS) != OHCI_USB_OPER) { - dev_err(&u132->platform_dev->dev, "TODO resume_" - "root_hub\n"); + dev_err(&u132->platform_dev->dev, + "TODO resume_root_hub\n"); } break; case USB_PORT_FEAT_C_SUSPEND: @@ -2754,19 +2767,20 @@ static int u132_hub_status_data(struct usb_hcd *hcd, char *buf) { struct u132 *u132 = hcd_to_u132(hcd); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device hcd=%p has been remov" - "ed %d\n", hcd, u132->going); + dev_err(&u132->platform_dev->dev, + "device hcd=%p has been removed %d\n", + hcd, u132->going); return -ENODEV; } else if (u132->going > 0) { - dev_err(&u132->platform_dev->dev, "device hcd=%p is being remov" - "ed\n", hcd); + dev_err(&u132->platform_dev->dev, + "device hcd=%p is being removed\n", hcd); return -ESHUTDOWN; } else { int i, changed = 0, length = 1; if (u132->flags & OHCI_QUIRK_AMD756) { if ((u132->hc_roothub_a & RH_A_NDP) > MAX_ROOT_PORTS) { - dev_err(&u132->platform_dev->dev, "bogus NDP, r" - "ereads as NDP=%d\n", + dev_err(&u132->platform_dev->dev, + "bogus NDP, rereads as NDP=%d\n", u132->hc_roothub_a & RH_A_NDP); goto done; } @@ -2806,8 +2820,8 @@ static int u132_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, { struct u132 *u132 = hcd_to_u132(hcd); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, + "device has been removed %d\n", u132->going); return -ENODEV; } else if (u132->going > 0) { dev_err(&u132->platform_dev->dev, "device is being removed\n"); @@ -2888,14 +2902,15 @@ static int u132_start_port_reset(struct usb_hcd *hcd, unsigned port_num) { struct u132 *u132 = hcd_to_u132(hcd); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, + "device has been removed %d\n", u132->going); return -ENODEV; } else if (u132->going > 0) { dev_err(&u132->platform_dev->dev, "device is being removed\n"); return -ESHUTDOWN; - } else + } else { return 0; + } } @@ -2904,28 +2919,30 @@ static int u132_bus_suspend(struct usb_hcd *hcd) { struct u132 *u132 = hcd_to_u132(hcd); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, + "device has been removed %d\n", u132->going); return -ENODEV; } else if (u132->going > 0) { dev_err(&u132->platform_dev->dev, "device is being removed\n"); return -ESHUTDOWN; - } else + } else { return 0; + } } static int u132_bus_resume(struct usb_hcd *hcd) { struct u132 *u132 = hcd_to_u132(hcd); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, + "device has been removed %d\n", u132->going); return -ENODEV; } else if (u132->going > 0) { dev_err(&u132->platform_dev->dev, "device is being removed\n"); return -ESHUTDOWN; - } else + } else { return 0; + } } #else @@ -2963,14 +2980,15 @@ static int u132_remove(struct platform_device *pdev) if (hcd) { struct u132 *u132 = hcd_to_u132(hcd); if (u132->going++ > 1) { - dev_err(&u132->platform_dev->dev, "already being remove" - "d\n"); + dev_err(&u132->platform_dev->dev, + "already being removed\n"); return -ENODEV; } else { int rings = MAX_U132_RINGS; int endps = MAX_U132_ENDPS; - dev_err(&u132->platform_dev->dev, "removing device u132" - ".%d\n", u132->sequence_num); + dev_err(&u132->platform_dev->dev, + "removing device u132.%d\n", + u132->sequence_num); msleep(100); mutex_lock(&u132->sw_lock); u132_monitor_cancel_work(u132); @@ -2991,8 +3009,9 @@ static int u132_remove(struct platform_device *pdev) u132_u132_put_kref(u132); return 0; } - } else + } else { return 0; + } } static void u132_initialise(struct u132 *u132, struct platform_device *pdev) @@ -3075,8 +3094,7 @@ static int u132_probe(struct platform_device *pdev) hcd = usb_create_hcd(&u132_hc_driver, &pdev->dev, dev_name(&pdev->dev)); if (!hcd) { - printk(KERN_ERR "failed to create the usb hcd struct for U132\n" - ); + printk(KERN_ERR "failed to create the usb hcd struct for U132\n"); ftdi_elan_gone_away(pdev); return -ENOMEM; } else { @@ -3114,8 +3132,8 @@ static int u132_suspend(struct platform_device *pdev, pm_message_t state) struct usb_hcd *hcd = platform_get_drvdata(pdev); struct u132 *u132 = hcd_to_u132(hcd); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, + "device has been removed %d\n", u132->going); return -ENODEV; } else if (u132->going > 0) { dev_err(&u132->platform_dev->dev, "device is being removed\n"); @@ -3144,8 +3162,8 @@ static int u132_resume(struct platform_device *pdev) struct usb_hcd *hcd = platform_get_drvdata(pdev); struct u132 *u132 = hcd_to_u132(hcd); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, + "device has been removed %d\n", u132->going); return -ENODEV; } else if (u132->going > 0) { dev_err(&u132->platform_dev->dev, "device is being removed\n"); From patchwork Tue Mar 21 10:19:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 665801 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 91712C6FD1D for ; Tue, 21 Mar 2023 10:19:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229696AbjCUKTY (ORCPT ); Tue, 21 Mar 2023 06:19:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35758 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229923AbjCUKTV (ORCPT ); Tue, 21 Mar 2023 06:19:21 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 353C07ED7 for ; Tue, 21 Mar 2023 03:19:19 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1peZ5I-0000r6-NJ; Tue, 21 Mar 2023 11:19:16 +0100 Received: from [2a0a:edc0:0:900:1d::77] (helo=ptz.office.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1peZ5I-005fIj-3Z; Tue, 21 Mar 2023 11:19:16 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1peZ5H-006ioh-3G; Tue, 21 Mar 2023 11:19:15 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Greg Kroah-Hartman , Ard Biesheuvel Cc: linux-usb@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 2/2] usb: host: u132-hcd: Drop if with an always true condition Date: Tue, 21 Mar 2023 11:19:11 +0100 Message-Id: <20230321101911.342538-3-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230321101911.342538-1-u.kleine-koenig@pengutronix.de> References: <20230321101911.342538-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3049; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=7qc3VDEO4Jzhf9onKN8ybTV6D94vBFW/7aXSX8rS6fE=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBkGYSYbc+DxRAw6jaLMa9J8FyWvQmHXoAr3SGJK y1pIy4JMZOJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZBmEmAAKCRCPgPtYfRL+ TmwZCACAN2P5d07wbuXjFhe3bTpscqFbsbOI6qe9PqwQFJOe/10Wpy7qnaeLB3xUZEHoj0RhjTU WcQqfLEJdLeziW884aFdGSE6Qmgh7haWVQBL6h/cqjMrqsiRuLZRgZTu7Xz0EthaOCYNg5oJAJS WfqtS25/3eRXE039KU/4Hml9146fBJqMYmUN/EbL3YCqMmSI/D5z6CYVEhId/ajinUkD/Meheii 2Y5Vx4JhEPuKhkjLWjaQX3JraDQlox4W6RD9WzLGS40q2cjln9XZRGbDH6BrKGDqvYluSrsqHzq 1SmkJf1BZRrb3sjTaET2ogGbV24CCtKfHQu0nSe4q+tN17NN X-Developer-Key: i=u.kleine-koenig@pengutronix.de; a=openpgp; fpr=0D2511F322BFAB1C1580266BE2DCDD9132669BD6 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-usb@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org A platform device's .remove() callback is only ever called after .probe() successfully completed. After such a successful call, platform_get_drvdata() doesn't return NULL. Simplify accordingly. Signed-off-by: Uwe Kleine-König --- drivers/usb/host/u132-hcd.c | 66 +++++++++++++++++++------------------ 1 file changed, 34 insertions(+), 32 deletions(-) diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index f5433993c76e..45244c791bcb 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -2977,39 +2977,36 @@ static const struct hc_driver u132_hc_driver = { static int u132_remove(struct platform_device *pdev) { struct usb_hcd *hcd = platform_get_drvdata(pdev); - if (hcd) { - struct u132 *u132 = hcd_to_u132(hcd); - if (u132->going++ > 1) { - dev_err(&u132->platform_dev->dev, - "already being removed\n"); - return -ENODEV; - } else { - int rings = MAX_U132_RINGS; - int endps = MAX_U132_ENDPS; - dev_err(&u132->platform_dev->dev, - "removing device u132.%d\n", - u132->sequence_num); - msleep(100); - mutex_lock(&u132->sw_lock); - u132_monitor_cancel_work(u132); - while (rings-- > 0) { - struct u132_ring *ring = &u132->ring[rings]; - u132_ring_cancel_work(u132, ring); - } - while (endps-- > 0) { - struct u132_endp *endp = u132->endp[endps]; - if (endp) - u132_endp_cancel_work(u132, endp); - } - u132->going += 1; - printk(KERN_INFO "removing device u132.%d\n", - u132->sequence_num); - mutex_unlock(&u132->sw_lock); - usb_remove_hcd(hcd); - u132_u132_put_kref(u132); - return 0; - } + struct u132 *u132 = hcd_to_u132(hcd); + + if (u132->going++ > 1) { + dev_err(&u132->platform_dev->dev, + "already being removed\n"); + return -ENODEV; } else { + int rings = MAX_U132_RINGS; + int endps = MAX_U132_ENDPS; + dev_err(&u132->platform_dev->dev, + "removing device u132.%d\n", + u132->sequence_num); + msleep(100); + mutex_lock(&u132->sw_lock); + u132_monitor_cancel_work(u132); + while (rings-- > 0) { + struct u132_ring *ring = &u132->ring[rings]; + u132_ring_cancel_work(u132, ring); + } + while (endps-- > 0) { + struct u132_endp *endp = u132->endp[endps]; + if (endp) + u132_endp_cancel_work(u132, endp); + } + u132->going += 1; + printk(KERN_INFO "removing device u132.%d\n", + u132->sequence_num); + mutex_unlock(&u132->sw_lock); + usb_remove_hcd(hcd); + u132_u132_put_kref(u132); return 0; } } @@ -3092,6 +3089,11 @@ static int u132_probe(struct platform_device *pdev) if (retval) return retval; + /* + * Note that after a successful call of usb_create_hcd(), + * dev_set_drvdata() was called such that platform_get_drvdata(pdev) + * returns hcd later on. + */ hcd = usb_create_hcd(&u132_hc_driver, &pdev->dev, dev_name(&pdev->dev)); if (!hcd) { printk(KERN_ERR "failed to create the usb hcd struct for U132\n");