From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Fri, 26 Jun 2026 19:45:00 +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 1wdAbs-00A9Zu-1h for lore@lore.pengutronix.de; Fri, 26 Jun 2026 19:45:00 +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 1wdAbr-0007YT-AS for lore@pengutronix.de; Fri, 26 Jun 2026 19:45:00 +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=OO5cpNo2vfdoWCxwO+AaGXy8yJVLU5+diym0hcBEZ9w=; b=QHitB5c5bEcGC0TQeyF3N+9ewZ sSrlvKXQ4u1qmI/OFRKxzn8eYkDg6kpZzsDx971g78IqCOcm/GzlykWeyM1n52yU7hE9MZaJCjh60 qwr5cUcWRD8nAld1WmnIhLQp3KJvU8LwwBW2uSfpajeNcbTSAcz4iWK2ybCpg8wuWcykfbxxUAHBf b6Glmb+Ek7R1qLF+XyZ9Q45BnFpmfIKkhwb/HIOrxu3oJ4B+XWItxxDaE54EIhlui0LQLwU0OPoky yzqylP1vJ2jmDCNCYI9FQFEuJby6KTKU7BygkYLrF36w0BuZdUkRDjhleVNqDZfCutdf5HmaNlbPq qr/TeU6w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wdAaj-0000000BiWd-0IFO; Fri, 26 Jun 2026 17:43:49 +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-0000000BiV0-3mbu 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 1wdAaf-0003ev-CT; Fri, 26 Jun 2026 19:43:45 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Fri, 26 Jun 2026 19:31:39 +0200 Message-ID: <20260626174342.1923132-4-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_938083_06F2B17A X-CRM114-Status: UNSURE ( 7.75 ) 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 3/5] usb: wait after setting device configuration 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 f647bf0ba36a5236d4bc7f93d39bfacfb1cfe6c7: | usb: Wait after sending Set Configuration request | | Some devices, like the SanDisk Cruzer Pop need some time to process | the Set Configuration request, so wait a little until they are ready. | | Signed-off-by: Marek Vasut | Cc: Chin Liang See | Cc: Dinh Nguyen | Cc: Hans de Goede | Cc: Stefan Roese | Cc: Stephen Warren Assisted-by: Codex:gpt-5.5 Signed-off-by: Ahmad Fatoum --- drivers/usb/core/usb.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index c6b3187de17d..145b85a28fab 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -539,6 +539,14 @@ int usb_new_device(struct usb_device *dev) dev->act_len, dev->status); goto err_out; } + + /* + * Wait until the Set Configuration request gets processed by the + * device. This is required by at least SanDisk Cruzer Pop USB 2.0 + * and Kingston DT Ultimate 32GB USB 3.0 on DWC2 OTG controller. + */ + mdelay(10); + dev_dbg(&dev->dev, "new device: Mfr=%d, Product=%d, SerialNumber=%d\n", dev->descriptor->iManufacturer, dev->descriptor->iProduct, dev->descriptor->iSerialNumber); -- 2.47.3