From patchwork Wed Oct 26 18:26:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Cercueil X-Patchwork-Id: 619155 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 8EA4BFA373E for ; Wed, 26 Oct 2022 18:27:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234269AbiJZS1S (ORCPT ); Wed, 26 Oct 2022 14:27:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234230AbiJZS1Q (ORCPT ); Wed, 26 Oct 2022 14:27:16 -0400 Received: from aposti.net (aposti.net [89.234.176.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AC4A7AC2BC; Wed, 26 Oct 2022 11:27:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=crapouillou.net; s=mail; t=1666808824; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=jH80yrXb3gHIJEJkidKGRc0HzOcX8BPx9tadvxUhdqA=; b=n1D9BI958+uTtCjHVuPHLsYYoR1bCTdQK1cU/5qeM0e8Jaab66Jv6QHRGd5Weg2hT9sp5n z4fKzvPbVAt/unhAyGwJqv5fVUWec/tdAsvl6PEB4i6W1WNpP009Amz26DC5KxHow/z5PW aIAB4u9MRRFf4gA1e3w8VUfM75yXxHY= From: Paul Cercueil To: Bin Liu , Greg Kroah-Hartman , Felipe Balbi Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-mips@vger.kernel.org, od@opendingux.net, Paul Cercueil Subject: [PATCH v2 1/7] usb: musb: Add and use inline functions musb_{get,set}_state Date: Wed, 26 Oct 2022 19:26:51 +0100 Message-Id: <20221026182657.146630-2-paul@crapouillou.net> In-Reply-To: <20221026182657.146630-1-paul@crapouillou.net> References: <20221026182657.146630-1-paul@crapouillou.net> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Instead of manipulating musb->xceiv->otg->state directly, use the newly introduced musb_get_state() and musb_set_state() inline functions. Later, these inline functions will be modified to get rid of the musb->xceiv dependency, which prevents the musb code from using the generic PHY subsystem. Signed-off-by: Paul Cercueil --- drivers/usb/musb/musb_core.c | 62 ++++++++++++++++----------------- drivers/usb/musb/musb_core.h | 11 ++++++ drivers/usb/musb/musb_debugfs.c | 6 ++-- drivers/usb/musb/musb_gadget.c | 28 +++++++-------- drivers/usb/musb/musb_host.c | 6 ++-- drivers/usb/musb/musb_virthub.c | 18 +++++----- 6 files changed, 71 insertions(+), 60 deletions(-) diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 03027c6fa3ab..a0fe2516870b 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -502,7 +502,7 @@ int musb_set_host(struct musb *musb) init_data: musb->is_active = 1; - musb->xceiv->otg->state = OTG_STATE_A_IDLE; + musb_set_state(musb, OTG_STATE_A_IDLE); MUSB_HST_MODE(musb); return error; @@ -549,7 +549,7 @@ int musb_set_peripheral(struct musb *musb) init_data: musb->is_active = 0; - musb->xceiv->otg->state = OTG_STATE_B_IDLE; + musb_set_state(musb, OTG_STATE_B_IDLE); MUSB_DEV_MODE(musb); return error; @@ -599,12 +599,12 @@ static void musb_otg_timer_func(struct timer_list *t) unsigned long flags; spin_lock_irqsave(&musb->lock, flags); - switch (musb->xceiv->otg->state) { + switch (musb_get_state(musb)) { case OTG_STATE_B_WAIT_ACON: musb_dbg(musb, "HNP: b_wait_acon timeout; back to b_peripheral"); musb_g_disconnect(musb); - musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL; + musb_set_state(musb, OTG_STATE_B_PERIPHERAL); musb->is_active = 0; break; case OTG_STATE_A_SUSPEND: @@ -612,7 +612,7 @@ static void musb_otg_timer_func(struct timer_list *t) musb_dbg(musb, "HNP: %s timeout", usb_otg_state_string(musb->xceiv->otg->state)); musb_platform_set_vbus(musb, 0); - musb->xceiv->otg->state = OTG_STATE_A_WAIT_VFALL; + musb_set_state(musb, OTG_STATE_A_WAIT_VFALL); break; default: musb_dbg(musb, "HNP: Unhandled mode %s", @@ -633,7 +633,7 @@ void musb_hnp_stop(struct musb *musb) musb_dbg(musb, "HNP: stop from %s", usb_otg_state_string(musb->xceiv->otg->state)); - switch (musb->xceiv->otg->state) { + switch (musb_get_state(musb)) { case OTG_STATE_A_PERIPHERAL: musb_g_disconnect(musb); musb_dbg(musb, "HNP: back to %s", @@ -643,7 +643,7 @@ void musb_hnp_stop(struct musb *musb) musb_dbg(musb, "HNP: Disabling HR"); if (hcd) hcd->self.is_b_host = 0; - musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL; + musb_set_state(musb, OTG_STATE_B_PERIPHERAL); MUSB_DEV_MODE(musb); reg = musb_readb(mbase, MUSB_POWER); reg |= MUSB_POWER_SUSPENDM; @@ -671,7 +671,7 @@ static void musb_handle_intr_resume(struct musb *musb, u8 devctl) usb_otg_state_string(musb->xceiv->otg->state)); if (devctl & MUSB_DEVCTL_HM) { - switch (musb->xceiv->otg->state) { + switch (musb_get_state(musb)) { case OTG_STATE_A_SUSPEND: /* remote wakeup? */ musb->port1_status |= @@ -679,14 +679,14 @@ static void musb_handle_intr_resume(struct musb *musb, u8 devctl) | MUSB_PORT_STAT_RESUME; musb->rh_timer = jiffies + msecs_to_jiffies(USB_RESUME_TIMEOUT); - musb->xceiv->otg->state = OTG_STATE_A_HOST; + musb_set_state(musb, OTG_STATE_A_HOST); musb->is_active = 1; musb_host_resume_root_hub(musb); schedule_delayed_work(&musb->finish_resume_work, msecs_to_jiffies(USB_RESUME_TIMEOUT)); break; case OTG_STATE_B_WAIT_ACON: - musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL; + musb_set_state(musb, OTG_STATE_B_PERIPHERAL); musb->is_active = 1; MUSB_DEV_MODE(musb); break; @@ -696,10 +696,10 @@ static void musb_handle_intr_resume(struct musb *musb, u8 devctl) usb_otg_state_string(musb->xceiv->otg->state)); } } else { - switch (musb->xceiv->otg->state) { + switch (musb_get_state(musb)) { case OTG_STATE_A_SUSPEND: /* possibly DISCONNECT is upcoming */ - musb->xceiv->otg->state = OTG_STATE_A_HOST; + musb_set_state(musb, OTG_STATE_A_HOST); musb_host_resume_root_hub(musb); break; case OTG_STATE_B_WAIT_ACON: @@ -750,7 +750,7 @@ static irqreturn_t musb_handle_intr_sessreq(struct musb *musb, u8 devctl) */ musb_writeb(mbase, MUSB_DEVCTL, MUSB_DEVCTL_SESSION); musb->ep0_stage = MUSB_EP0_START; - musb->xceiv->otg->state = OTG_STATE_A_IDLE; + musb_set_state(musb, OTG_STATE_A_IDLE); MUSB_HST_MODE(musb); musb_platform_set_vbus(musb, 1); @@ -777,7 +777,7 @@ static void musb_handle_intr_vbuserr(struct musb *musb, u8 devctl) * REVISIT: do delays from lots of DEBUG_KERNEL checks * make trouble here, keeping VBUS < 4.4V ? */ - switch (musb->xceiv->otg->state) { + switch (musb_get_state(musb)) { case OTG_STATE_A_HOST: /* recovery is dicey once we've gotten past the * initial stages of enumeration, but if VBUS @@ -833,7 +833,7 @@ static void musb_handle_intr_suspend(struct musb *musb, u8 devctl) musb_dbg(musb, "SUSPEND (%s) devctl %02x", usb_otg_state_string(musb->xceiv->otg->state), devctl); - switch (musb->xceiv->otg->state) { + switch (musb_get_state(musb)) { case OTG_STATE_A_PERIPHERAL: /* We also come here if the cable is removed, since * this silicon doesn't report ID-no-longer-grounded. @@ -858,7 +858,7 @@ static void musb_handle_intr_suspend(struct musb *musb, u8 devctl) musb_g_suspend(musb); musb->is_active = musb->g.b_hnp_enable; if (musb->is_active) { - musb->xceiv->otg->state = OTG_STATE_B_WAIT_ACON; + musb_set_state(musb, OTG_STATE_B_WAIT_ACON); musb_dbg(musb, "HNP: Setting timer for b_ase0_brst"); mod_timer(&musb->otg_timer, jiffies + msecs_to_jiffies( @@ -871,7 +871,7 @@ static void musb_handle_intr_suspend(struct musb *musb, u8 devctl) + msecs_to_jiffies(musb->a_wait_bcon)); break; case OTG_STATE_A_HOST: - musb->xceiv->otg->state = OTG_STATE_A_SUSPEND; + musb_set_state(musb, OTG_STATE_A_SUSPEND); musb->is_active = musb->hcd->self.b_hnp_enable; break; case OTG_STATE_B_HOST: @@ -909,7 +909,7 @@ static void musb_handle_intr_connect(struct musb *musb, u8 devctl, u8 int_usb) musb->port1_status |= USB_PORT_STAT_LOW_SPEED; /* indicate new connection to OTG machine */ - switch (musb->xceiv->otg->state) { + switch (musb_get_state(musb)) { case OTG_STATE_B_PERIPHERAL: if (int_usb & MUSB_INTR_SUSPEND) { musb_dbg(musb, "HNP: SUSPEND+CONNECT, now b_host"); @@ -921,7 +921,7 @@ static void musb_handle_intr_connect(struct musb *musb, u8 devctl, u8 int_usb) case OTG_STATE_B_WAIT_ACON: musb_dbg(musb, "HNP: CONNECT, now b_host"); b_host: - musb->xceiv->otg->state = OTG_STATE_B_HOST; + musb_set_state(musb, OTG_STATE_B_HOST); if (musb->hcd) musb->hcd->self.is_b_host = 1; del_timer(&musb->otg_timer); @@ -929,7 +929,7 @@ static void musb_handle_intr_connect(struct musb *musb, u8 devctl, u8 int_usb) default: if ((devctl & MUSB_DEVCTL_VBUS) == (3 << MUSB_DEVCTL_VBUS_SHIFT)) { - musb->xceiv->otg->state = OTG_STATE_A_HOST; + musb_set_state(musb, OTG_STATE_A_HOST); if (hcd) hcd->self.is_b_host = 0; } @@ -948,7 +948,7 @@ static void musb_handle_intr_disconnect(struct musb *musb, u8 devctl) usb_otg_state_string(musb->xceiv->otg->state), MUSB_MODE(musb), devctl); - switch (musb->xceiv->otg->state) { + switch (musb_get_state(musb)) { case OTG_STATE_A_HOST: case OTG_STATE_A_SUSPEND: musb_host_resume_root_hub(musb); @@ -966,7 +966,7 @@ static void musb_handle_intr_disconnect(struct musb *musb, u8 devctl) musb_root_disconnect(musb); if (musb->hcd) musb->hcd->self.is_b_host = 0; - musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL; + musb_set_state(musb, OTG_STATE_B_PERIPHERAL); MUSB_DEV_MODE(musb); musb_g_disconnect(musb); break; @@ -1006,7 +1006,7 @@ static void musb_handle_intr_reset(struct musb *musb) } else { musb_dbg(musb, "BUS RESET as %s", usb_otg_state_string(musb->xceiv->otg->state)); - switch (musb->xceiv->otg->state) { + switch (musb_get_state(musb)) { case OTG_STATE_A_SUSPEND: musb_g_reset(musb); fallthrough; @@ -1025,11 +1025,11 @@ static void musb_handle_intr_reset(struct musb *musb) case OTG_STATE_B_WAIT_ACON: musb_dbg(musb, "HNP: RESET (%s), to b_peripheral", usb_otg_state_string(musb->xceiv->otg->state)); - musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL; + musb_set_state(musb, OTG_STATE_B_PERIPHERAL); musb_g_reset(musb); break; case OTG_STATE_B_IDLE: - musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL; + musb_set_state(musb, OTG_STATE_B_PERIPHERAL); fallthrough; case OTG_STATE_B_PERIPHERAL: musb_g_reset(musb); @@ -1216,8 +1216,8 @@ void musb_start(struct musb *musb) * (c) peripheral initiates, using SRP */ if (musb->port_mode != MUSB_HOST && - musb->xceiv->otg->state != OTG_STATE_A_WAIT_BCON && - (devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS) { + musb_get_state(musb) != OTG_STATE_A_WAIT_BCON && + (devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS) { musb->is_active = 1; } else { devctl |= MUSB_DEVCTL_SESSION; @@ -1908,7 +1908,7 @@ vbus_store(struct device *dev, struct device_attribute *attr, spin_lock_irqsave(&musb->lock, flags); /* force T(a_wait_bcon) to be zero/unlimited *OR* valid */ musb->a_wait_bcon = val ? max_t(int, val, OTG_TIME_A_WAIT_BCON) : 0 ; - if (musb->xceiv->otg->state == OTG_STATE_A_WAIT_BCON) + if (musb_get_state(musb) == OTG_STATE_A_WAIT_BCON) musb->is_active = 0; musb_platform_try_idle(musb, jiffies + msecs_to_jiffies(val)); spin_unlock_irqrestore(&musb->lock, flags); @@ -2089,8 +2089,8 @@ static void musb_irq_work(struct work_struct *data) musb_pm_runtime_check_session(musb); - if (musb->xceiv->otg->state != musb->xceiv_old_state) { - musb->xceiv_old_state = musb->xceiv->otg->state; + if (musb_get_state(musb) != musb->xceiv_old_state) { + musb->xceiv_old_state = musb_get_state(musb); sysfs_notify(&musb->controller->kobj, NULL, "mode"); } @@ -2532,7 +2532,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) } MUSB_DEV_MODE(musb); - musb->xceiv->otg->state = OTG_STATE_B_IDLE; + musb_set_state(musb, OTG_STATE_B_IDLE); switch (musb->port_mode) { case MUSB_HOST: diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h index a8a65effe68b..4a4d485d37bd 100644 --- a/drivers/usb/musb/musb_core.h +++ b/drivers/usb/musb/musb_core.h @@ -592,6 +592,17 @@ static inline void musb_platform_clear_ep_rxintr(struct musb *musb, int epnum) musb->ops->clear_ep_rxintr(musb, epnum); } +static inline void musb_set_state(struct musb *musb, + enum usb_otg_state otg_state) +{ + musb->xceiv->otg->state = otg_state; +} + +static inline enum usb_otg_state musb_get_state(struct musb *musb) +{ + return musb->xceiv->otg->state; +} + /* * gets the "dr_mode" property from DT and converts it into musb_mode * if the property is not found or not recognized returns MUSB_OTG diff --git a/drivers/usb/musb/musb_debugfs.c b/drivers/usb/musb/musb_debugfs.c index 30a89aa8a3e7..78c726a71b17 100644 --- a/drivers/usb/musb/musb_debugfs.c +++ b/drivers/usb/musb/musb_debugfs.c @@ -235,7 +235,7 @@ static int musb_softconnect_show(struct seq_file *s, void *unused) u8 reg; int connect; - switch (musb->xceiv->otg->state) { + switch (musb_get_state(musb)) { case OTG_STATE_A_HOST: case OTG_STATE_A_WAIT_BCON: pm_runtime_get_sync(musb->controller); @@ -275,7 +275,7 @@ static ssize_t musb_softconnect_write(struct file *file, pm_runtime_get_sync(musb->controller); if (!strncmp(buf, "0", 1)) { - switch (musb->xceiv->otg->state) { + switch (musb_get_state(musb)) { case OTG_STATE_A_HOST: musb_root_disconnect(musb); reg = musb_readb(musb->mregs, MUSB_DEVCTL); @@ -286,7 +286,7 @@ static ssize_t musb_softconnect_write(struct file *file, break; } } else if (!strncmp(buf, "1", 1)) { - switch (musb->xceiv->otg->state) { + switch (musb_get_state(musb)) { case OTG_STATE_A_WAIT_BCON: /* * musb_save_context() called in musb_runtime_suspend() diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index 6704a62a1665..b5c7deb288d2 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -1523,7 +1523,7 @@ static int musb_gadget_wakeup(struct usb_gadget *gadget) spin_lock_irqsave(&musb->lock, flags); - switch (musb->xceiv->otg->state) { + switch (musb_get_state(musb)) { case OTG_STATE_B_PERIPHERAL: /* NOTE: OTG state machine doesn't include B_SUSPENDED; * that's part of the standard usb 1.1 state machine, and @@ -1787,7 +1787,7 @@ int musb_gadget_setup(struct musb *musb) musb->g.speed = USB_SPEED_UNKNOWN; MUSB_DEV_MODE(musb); - musb->xceiv->otg->state = OTG_STATE_B_IDLE; + musb_set_state(musb, OTG_STATE_B_IDLE); /* this "gadget" abstracts/virtualizes the controller */ musb->g.name = musb_driver_name; @@ -1852,7 +1852,7 @@ static int musb_gadget_start(struct usb_gadget *g, musb->is_active = 1; otg_set_peripheral(otg, &musb->g); - musb->xceiv->otg->state = OTG_STATE_B_IDLE; + musb_set_state(musb, OTG_STATE_B_IDLE); spin_unlock_irqrestore(&musb->lock, flags); musb_start(musb); @@ -1897,7 +1897,7 @@ static int musb_gadget_stop(struct usb_gadget *g) (void) musb_gadget_vbus_draw(&musb->g, 0); - musb->xceiv->otg->state = OTG_STATE_UNDEFINED; + musb_set_state(musb, OTG_STATE_UNDEFINED); musb_stop(musb); otg_set_peripheral(musb->xceiv->otg, NULL); @@ -1926,7 +1926,7 @@ static int musb_gadget_stop(struct usb_gadget *g) void musb_g_resume(struct musb *musb) { musb->is_suspended = 0; - switch (musb->xceiv->otg->state) { + switch (musb_get_state(musb)) { case OTG_STATE_B_IDLE: break; case OTG_STATE_B_WAIT_ACON: @@ -1952,10 +1952,10 @@ void musb_g_suspend(struct musb *musb) devctl = musb_readb(musb->mregs, MUSB_DEVCTL); musb_dbg(musb, "musb_g_suspend: devctl %02x", devctl); - switch (musb->xceiv->otg->state) { + switch (musb_get_state(musb)) { case OTG_STATE_B_IDLE: if ((devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS) - musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL; + musb_set_state(musb, OTG_STATE_B_PERIPHERAL); break; case OTG_STATE_B_PERIPHERAL: musb->is_suspended = 1; @@ -2001,22 +2001,22 @@ void musb_g_disconnect(struct musb *musb) spin_lock(&musb->lock); } - switch (musb->xceiv->otg->state) { + switch (musb_get_state(musb)) { default: musb_dbg(musb, "Unhandled disconnect %s, setting a_idle", usb_otg_state_string(musb->xceiv->otg->state)); - musb->xceiv->otg->state = OTG_STATE_A_IDLE; + musb_set_state(musb, OTG_STATE_A_IDLE); MUSB_HST_MODE(musb); break; case OTG_STATE_A_PERIPHERAL: - musb->xceiv->otg->state = OTG_STATE_A_WAIT_BCON; + musb_set_state(musb, OTG_STATE_A_WAIT_BCON); MUSB_HST_MODE(musb); break; case OTG_STATE_B_WAIT_ACON: case OTG_STATE_B_HOST: case OTG_STATE_B_PERIPHERAL: case OTG_STATE_B_IDLE: - musb->xceiv->otg->state = OTG_STATE_B_IDLE; + musb_set_state(musb, OTG_STATE_B_IDLE); break; case OTG_STATE_B_SRP_INIT: break; @@ -2080,13 +2080,13 @@ __acquires(musb->lock) * In that case, do not rely on devctl for setting * peripheral mode. */ - musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL; + musb_set_state(musb, OTG_STATE_B_PERIPHERAL); musb->g.is_a_peripheral = 0; } else if (devctl & MUSB_DEVCTL_BDEVICE) { - musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL; + musb_set_state(musb, OTG_STATE_B_PERIPHERAL); musb->g.is_a_peripheral = 0; } else { - musb->xceiv->otg->state = OTG_STATE_A_PERIPHERAL; + musb_set_state(musb, OTG_STATE_A_PERIPHERAL); musb->g.is_a_peripheral = 1; } diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 9ff7d891b4b7..ed631447a253 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -2501,7 +2501,7 @@ static int musb_bus_suspend(struct usb_hcd *hcd) if (!is_host_active(musb)) return 0; - switch (musb->xceiv->otg->state) { + switch (musb_get_state(musb)) { case OTG_STATE_A_SUSPEND: return 0; case OTG_STATE_A_WAIT_VRISE: @@ -2511,7 +2511,7 @@ static int musb_bus_suspend(struct usb_hcd *hcd) */ devctl = musb_readb(musb->mregs, MUSB_DEVCTL); if ((devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS) - musb->xceiv->otg->state = OTG_STATE_A_WAIT_BCON; + musb_set_state(musb, OTG_STATE_A_WAIT_BCON); break; default: break; @@ -2720,7 +2720,7 @@ int musb_host_setup(struct musb *musb, int power_budget) if (musb->port_mode == MUSB_HOST) { MUSB_HST_MODE(musb); - musb->xceiv->otg->state = OTG_STATE_A_IDLE; + musb_set_state(musb, OTG_STATE_A_IDLE); } otg_set_host(musb->xceiv->otg, &hcd->self); /* don't support otg protocols */ diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c index cafc69536e1d..d1cfd45d69e3 100644 --- a/drivers/usb/musb/musb_virthub.c +++ b/drivers/usb/musb/musb_virthub.c @@ -43,7 +43,7 @@ void musb_host_finish_resume(struct work_struct *work) musb->port1_status |= USB_PORT_STAT_C_SUSPEND << 16; usb_hcd_poll_rh_status(musb->hcd); /* NOTE: it might really be A_WAIT_BCON ... */ - musb->xceiv->otg->state = OTG_STATE_A_HOST; + musb_set_state(musb, OTG_STATE_A_HOST); spin_unlock_irqrestore(&musb->lock, flags); } @@ -85,9 +85,9 @@ int musb_port_suspend(struct musb *musb, bool do_suspend) musb_dbg(musb, "Root port suspended, power %02x", power); musb->port1_status |= USB_PORT_STAT_SUSPEND; - switch (musb->xceiv->otg->state) { + switch (musb_get_state(musb)) { case OTG_STATE_A_HOST: - musb->xceiv->otg->state = OTG_STATE_A_SUSPEND; + musb_set_state(musb, OTG_STATE_A_SUSPEND); musb->is_active = otg->host->b_hnp_enable; if (musb->is_active) mod_timer(&musb->otg_timer, jiffies @@ -96,7 +96,7 @@ int musb_port_suspend(struct musb *musb, bool do_suspend) musb_platform_try_idle(musb, 0); break; case OTG_STATE_B_HOST: - musb->xceiv->otg->state = OTG_STATE_B_WAIT_ACON; + musb_set_state(musb, OTG_STATE_B_WAIT_ACON); musb->is_active = otg->host->b_hnp_enable; musb_platform_try_idle(musb, 0); break; @@ -123,7 +123,7 @@ void musb_port_reset(struct musb *musb, bool do_reset) u8 power; void __iomem *mbase = musb->mregs; - if (musb->xceiv->otg->state == OTG_STATE_B_IDLE) { + if (musb_get_state(musb) == OTG_STATE_B_IDLE) { musb_dbg(musb, "HNP: Returning from HNP; no hub reset from b_idle"); musb->port1_status &= ~USB_PORT_STAT_RESET; return; @@ -204,20 +204,20 @@ void musb_root_disconnect(struct musb *musb) usb_hcd_poll_rh_status(musb->hcd); musb->is_active = 0; - switch (musb->xceiv->otg->state) { + switch (musb_get_state(musb)) { case OTG_STATE_A_SUSPEND: if (otg->host->b_hnp_enable) { - musb->xceiv->otg->state = OTG_STATE_A_PERIPHERAL; + musb_set_state(musb, OTG_STATE_A_PERIPHERAL); musb->g.is_a_peripheral = 1; break; } fallthrough; case OTG_STATE_A_HOST: - musb->xceiv->otg->state = OTG_STATE_A_WAIT_BCON; + musb_set_state(musb, OTG_STATE_A_WAIT_BCON); musb->is_active = 0; break; case OTG_STATE_A_WAIT_VFALL: - musb->xceiv->otg->state = OTG_STATE_B_IDLE; + musb_set_state(musb, OTG_STATE_B_IDLE); break; default: musb_dbg(musb, "host disconnect (%s)",