From patchwork Mon Dec 7 13:03:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Cercueil X-Patchwork-Id: 11955759 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4B1DCC4361B for ; Mon, 7 Dec 2020 13:05:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0DD0D23403 for ; Mon, 7 Dec 2020 13:05:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726202AbgLGNFM (ORCPT ); Mon, 7 Dec 2020 08:05:12 -0500 Received: from aposti.net ([89.234.176.197]:35016 "EHLO aposti.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726061AbgLGNFM (ORCPT ); Mon, 7 Dec 2020 08:05:12 -0500 From: Paul Cercueil To: Bin Liu , Greg Kroah-Hartman Cc: od@zcrc.me, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Paul Cercueil Subject: [PATCH 2/4] usb: musb: Add and use inline function musb_otg_state_string Date: Mon, 7 Dec 2020 13:03:30 +0000 Message-Id: <20201207130332.120681-2-paul@crapouillou.net> In-Reply-To: <20201207130332.120681-1-paul@crapouillou.net> References: <20201207130332.120681-1-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 c4665d08aa33..8e8861955545 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -609,13 +609,13 @@ 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); } @@ -629,14 +629,12 @@ 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"); @@ -651,7 +649,7 @@ 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)); } /* @@ -666,8 +664,7 @@ 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)) { @@ -692,7 +689,7 @@ 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)) { @@ -721,7 +718,7 @@ 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)); } } } @@ -737,8 +734,7 @@ 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: @@ -805,7 +801,7 @@ 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) { @@ -830,7 +826,7 @@ 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: @@ -938,13 +934,13 @@ 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)) { @@ -980,7 +976,7 @@ 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; } } @@ -1003,8 +999,7 @@ 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); @@ -1012,7 +1007,7 @@ 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))); @@ -1023,7 +1018,7 @@ 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; @@ -1035,7 +1030,7 @@ 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)); } } } @@ -1862,7 +1857,7 @@ 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 8c0fec972b65..363481df1ceb 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 2be9b084749b..ba312b43b895 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -1559,7 +1559,7 @@ 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; } @@ -1937,7 +1937,7 @@ 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)); } } @@ -1967,7 +1967,7 @@ 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)); } } @@ -2001,7 +2001,7 @@ 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 7811a8858c54..7db464e50cf9 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -2525,7 +2525,7 @@ 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);