From patchwork Wed Oct 26 18:26:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Cercueil X-Patchwork-Id: 13020954 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 8BEECC38A2D for ; Wed, 26 Oct 2022 18:27:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234286AbiJZS13 (ORCPT ); Wed, 26 Oct 2022 14:27:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55034 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234298AbiJZS10 (ORCPT ); Wed, 26 Oct 2022 14:27:26 -0400 Received: from aposti.net (aposti.net [89.234.176.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 142C0D8F62; Wed, 26 Oct 2022 11:27:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=crapouillou.net; s=mail; t=1666808825; 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=uBr9f4BEFXltKgJJBj+MHNdTSQATTaFHSGC+OWiEQAE=; b=zKaghIJe1c3g7iI413EJVsl7LyvjoJm/SYaJm7YD0vgxQajrkISpuwry4d9bdyNKS9Uw2J MX4MNdcb+xLQFpssXvEQlgpWRbdlkcbcZTF+KoJqI55vK9UzvbT3RUhfxOgPqL7JpNiV3N wDF6paKrO8PS8L9X9vMd17uEjX6PdBA= 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 2/7] usb: musb: Add and use inline function musb_otg_state_string Date: Wed, 26 Oct 2022 19:26:52 +0100 Message-Id: <20221026182657.146630-3-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 The musb_otg_state_string() simply calls usb_otg_state_string(). This will make it easier to get rid of the musb->xceiv dependency later. Signed-off-by: Paul Cercueil --- drivers/usb/musb/musb_core.c | 43 +++++++++++++++------------------ drivers/usb/musb/musb_core.h | 5 ++++ drivers/usb/musb/musb_gadget.c | 8 +++--- drivers/usb/musb/musb_host.c | 2 +- drivers/usb/musb/musb_virthub.c | 4 +-- 5 files changed, 31 insertions(+), 31 deletions(-) diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index a0fe2516870b..9bf0ebaa3b7c 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -610,13 +610,13 @@ static void musb_otg_timer_func(struct timer_list *t) case OTG_STATE_A_SUSPEND: case OTG_STATE_A_WAIT_BCON: musb_dbg(musb, "HNP: %s timeout", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_otg_state_string(musb)); musb_platform_set_vbus(musb, 0); musb_set_state(musb, OTG_STATE_A_WAIT_VFALL); break; default: musb_dbg(musb, "HNP: Unhandled mode %s", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_otg_state_string(musb)); } spin_unlock_irqrestore(&musb->lock, flags); } @@ -630,14 +630,12 @@ void musb_hnp_stop(struct musb *musb) void __iomem *mbase = musb->mregs; u8 reg; - musb_dbg(musb, "HNP: stop from %s", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_dbg(musb, "HNP: stop from %s", musb_otg_state_string(musb)); switch (musb_get_state(musb)) { case OTG_STATE_A_PERIPHERAL: musb_g_disconnect(musb); - musb_dbg(musb, "HNP: back to %s", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_dbg(musb, "HNP: back to %s", musb_otg_state_string(musb)); break; case OTG_STATE_B_HOST: musb_dbg(musb, "HNP: Disabling HR"); @@ -652,7 +650,7 @@ void musb_hnp_stop(struct musb *musb) break; default: musb_dbg(musb, "HNP: Stopping in unknown state %s", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_otg_state_string(musb)); } /* @@ -667,8 +665,7 @@ static void musb_recover_from_babble(struct musb *musb); static void musb_handle_intr_resume(struct musb *musb, u8 devctl) { - musb_dbg(musb, "RESUME (%s)", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_dbg(musb, "RESUME (%s)", musb_otg_state_string(musb)); if (devctl & MUSB_DEVCTL_HM) { switch (musb_get_state(musb)) { @@ -693,7 +690,7 @@ static void musb_handle_intr_resume(struct musb *musb, u8 devctl) default: WARNING("bogus %s RESUME (%s)\n", "host", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_otg_state_string(musb)); } } else { switch (musb_get_state(musb)) { @@ -722,7 +719,7 @@ static void musb_handle_intr_resume(struct musb *musb, u8 devctl) default: WARNING("bogus %s RESUME (%s)\n", "peripheral", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_otg_state_string(musb)); } } } @@ -738,8 +735,7 @@ static irqreturn_t musb_handle_intr_sessreq(struct musb *musb, u8 devctl) return IRQ_HANDLED; } - musb_dbg(musb, "SESSION_REQUEST (%s)", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_dbg(musb, "SESSION_REQUEST (%s)", musb_otg_state_string(musb)); /* IRQ arrives from ID pin sense or (later, if VBUS power * is removed) SRP. responses are time critical: @@ -806,7 +802,7 @@ static void musb_handle_intr_vbuserr(struct musb *musb, u8 devctl) dev_printk(ignore ? KERN_DEBUG : KERN_ERR, musb->controller, "VBUS_ERROR in %s (%02x, %s), retry #%d, port1 %08x\n", - usb_otg_state_string(musb->xceiv->otg->state), + musb_otg_state_string(musb), devctl, ({ char *s; switch (devctl & MUSB_DEVCTL_VBUS) { @@ -831,7 +827,7 @@ static void musb_handle_intr_vbuserr(struct musb *musb, u8 devctl) 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); + musb_otg_state_string(musb), devctl); switch (musb_get_state(musb)) { case OTG_STATE_A_PERIPHERAL: @@ -939,13 +935,13 @@ static void musb_handle_intr_connect(struct musb *musb, u8 devctl, u8 int_usb) musb_host_poke_root_hub(musb); musb_dbg(musb, "CONNECT (%s) devctl %02x", - usb_otg_state_string(musb->xceiv->otg->state), devctl); + musb_otg_state_string(musb), devctl); } static void musb_handle_intr_disconnect(struct musb *musb, u8 devctl) { musb_dbg(musb, "DISCONNECT (%s) as %s, devctl %02x", - usb_otg_state_string(musb->xceiv->otg->state), + musb_otg_state_string(musb), MUSB_MODE(musb), devctl); switch (musb_get_state(musb)) { @@ -981,7 +977,7 @@ static void musb_handle_intr_disconnect(struct musb *musb, u8 devctl) break; default: WARNING("unhandled DISCONNECT transition (%s)\n", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_otg_state_string(musb)); break; } } @@ -1004,8 +1000,7 @@ static void musb_handle_intr_reset(struct musb *musb) dev_err(musb->controller, "Babble\n"); musb_recover_from_babble(musb); } else { - musb_dbg(musb, "BUS RESET as %s", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_dbg(musb, "BUS RESET as %s", musb_otg_state_string(musb)); switch (musb_get_state(musb)) { case OTG_STATE_A_SUSPEND: musb_g_reset(musb); @@ -1013,7 +1008,7 @@ static void musb_handle_intr_reset(struct musb *musb) case OTG_STATE_A_WAIT_BCON: /* OPT TD.4.7-900ms */ /* never use invalid T(a_wait_bcon) */ musb_dbg(musb, "HNP: in %s, %d msec timeout", - usb_otg_state_string(musb->xceiv->otg->state), + musb_otg_state_string(musb), TA_WAIT_BCON(musb)); mod_timer(&musb->otg_timer, jiffies + msecs_to_jiffies(TA_WAIT_BCON(musb))); @@ -1024,7 +1019,7 @@ static void musb_handle_intr_reset(struct musb *musb) break; case OTG_STATE_B_WAIT_ACON: musb_dbg(musb, "HNP: RESET (%s), to b_peripheral", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_otg_state_string(musb)); musb_set_state(musb, OTG_STATE_B_PERIPHERAL); musb_g_reset(musb); break; @@ -1036,7 +1031,7 @@ static void musb_handle_intr_reset(struct musb *musb) break; default: musb_dbg(musb, "Unhandled BUS RESET as %s", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_otg_state_string(musb)); } } } @@ -1863,7 +1858,7 @@ mode_show(struct device *dev, struct device_attribute *attr, char *buf) int ret; spin_lock_irqsave(&musb->lock, flags); - ret = sprintf(buf, "%s\n", usb_otg_state_string(musb->xceiv->otg->state)); + ret = sprintf(buf, "%s\n", musb_otg_state_string(musb)); spin_unlock_irqrestore(&musb->lock, flags); return ret; diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h index 4a4d485d37bd..a497c44ab0da 100644 --- a/drivers/usb/musb/musb_core.h +++ b/drivers/usb/musb/musb_core.h @@ -603,6 +603,11 @@ static inline enum usb_otg_state musb_get_state(struct musb *musb) return musb->xceiv->otg->state; } +static inline const char *musb_otg_state_string(struct musb *musb) +{ + return usb_otg_state_string(musb_get_state(musb)); +} + /* * 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_gadget.c b/drivers/usb/musb/musb_gadget.c index b5c7deb288d2..9f5c531de387 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -1564,7 +1564,7 @@ static int musb_gadget_wakeup(struct usb_gadget *gadget) goto done; default: musb_dbg(musb, "Unhandled wake: %s", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_otg_state_string(musb)); goto done; } @@ -1940,7 +1940,7 @@ void musb_g_resume(struct musb *musb) break; default: WARNING("unhandled RESUME transition (%s)\n", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_otg_state_string(musb)); } } @@ -1970,7 +1970,7 @@ void musb_g_suspend(struct musb *musb) * A_PERIPHERAL may need care too */ WARNING("unhandled SUSPEND transition (%s)", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_otg_state_string(musb)); } } @@ -2004,7 +2004,7 @@ void musb_g_disconnect(struct musb *musb) switch (musb_get_state(musb)) { default: musb_dbg(musb, "Unhandled disconnect %s, setting a_idle", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_otg_state_string(musb)); musb_set_state(musb, OTG_STATE_A_IDLE); MUSB_HST_MODE(musb); break; diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index ed631447a253..b7553da7f4bc 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -2519,7 +2519,7 @@ static int musb_bus_suspend(struct usb_hcd *hcd) if (musb->is_active) { WARNING("trying to suspend as %s while active\n", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_otg_state_string(musb)); return -EBUSY; } else return 0; diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c index d1cfd45d69e3..7eb929d75280 100644 --- a/drivers/usb/musb/musb_virthub.c +++ b/drivers/usb/musb/musb_virthub.c @@ -102,7 +102,7 @@ int musb_port_suspend(struct musb *musb, bool do_suspend) break; default: musb_dbg(musb, "bogus rh suspend? %s", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_otg_state_string(musb)); } } else if (power & MUSB_POWER_SUSPENDM) { power &= ~MUSB_POWER_SUSPENDM; @@ -221,7 +221,7 @@ void musb_root_disconnect(struct musb *musb) break; default: musb_dbg(musb, "host disconnect (%s)", - usb_otg_state_string(musb->xceiv->otg->state)); + musb_otg_state_string(musb)); } } EXPORT_SYMBOL_GPL(musb_root_disconnect);