From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Fri, 26 Jun 2026 20:15:09 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wdB53-00AA7V-0H for lore@lore.pengutronix.de; Fri, 26 Jun 2026 20:15:09 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1wdB51-00062c-LV for lore@pengutronix.de; Fri, 26 Jun 2026 20:15:09 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=3ERxydOtUJbjL+VS1jdu1FrSvmMs0DR3NF6iz6kPF7g=; b=kF2ecnjOyJKRpgpA+ZHmwQUbYE suixwXt52MjHQsyr4Qm+ivE0D3aYgAYTvVQPCg2kFeWrZYg9MxOPbck66Pw8vfJst0C+NdsRKGCmf A1lUvXCd+RgL3zTO7ra8d68w/alF4vdRaohbI71E5cpmlYuSa5XqdVZTy6KL4G6i2DTJx0xyxtIMJ d+xyilSEHTGlUmwsVKVM2573sAvkUWn0oIf4VIX21rWF7Lgd9CxeO8CTSkra9DdngSIJQpsBgcJHw Or7+MI1wm9yVoCyyQqx/tBS+xyVZZZ0HpPsInYjI0Z/Hf5poZSw6yYoKr4YmGH4yZXBNuKAPsJ+C2 MhXAjVlA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wdAak-0000000BiX6-0gOM; Fri, 26 Jun 2026 17:43:50 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wdAag-0000000BiUz-3Og7 for barebox@lists.infradead.org; Fri, 26 Jun 2026 17:43:48 +0000 Received: from ptz.office.stw.pengutronix.de ([2a0a:edc0:0:900:1d::77] helo=geraet.lan) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1wdAae-0003ev-Vn; Fri, 26 Jun 2026 19:43:45 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Fri, 26 Jun 2026 19:31:37 +0200 Message-ID: <20260626174342.1923132-2-a.fatoum@barebox.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260626174342.1923132-1-a.fatoum@barebox.org> References: <20260626174342.1923132-1-a.fatoum@barebox.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260626_104346_842629_F1AF4E29 X-CRM114-Status: UNSURE ( 7.83 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 1/5] usb: hub: wait after port reset recovery X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) Port over U-Boot commit b5999f8f6ca89223b70ec3038fcfe9dbb6c67475: | usb: hub: Add missing reset recovery delay | | Some devices like YubiKeys need more time before SET_ADDRESS. The spec | says we need to wait 10ms. | | Signed-off-by: Hector Martin | Reviewed-by: Marek Vasut Assisted-by: Codex:gpt-5.5 Signed-off-by: Ahmad Fatoum --- drivers/usb/core/hub.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 70da8566b289..e969fc466a8e 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -282,6 +282,13 @@ static void usb_hub_port_connect_change(struct usb_device *dev, int port, return; } + /* + * USB 2.0 7.1.7.5: devices must be able to accept a SetAddress() + * request (refer to Section 11.24.2 and Section 9.4 respectively) + * after the reset recovery time 10 ms + */ + mdelay(10); + dev->children[port] = usb; usb->parent = dev; usb->portnr = port + 1; -- 2.47.3