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Thu, 13 Aug 2026 15:26:26 +0000 (UTC) From: Luca Lauro via B4 Relay Date: Thu, 13 Aug 2026 17:26:28 +0200 Subject: [PATCH v4 08/14] usb: ehci: initialize periodic_queue_dma MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260813-rn102-rn104-series-v4-8-f932ac63efa0@gmail.com> References: <20260813-rn102-rn104-series-v4-0-f932ac63efa0@gmail.com> In-Reply-To: <20260813-rn102-rn104-series-v4-0-f932ac63efa0@gmail.com> To: Sascha Hauer , "open list:BAREBOX" Cc: Luca Lauro X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1786634824; l=886; i=famlauro93l@gmail.com; s=20260723; h=from:subject:message-id; bh=I07P005oeTflIN7rJ7Zu0lr6XpKNNqIvnRvWet2vk98=; b=FqCLORTArGu3hPsJfvH3VBMNXTzGwTGl24GwQXkpKJ9rXy4ds4icSeDGqrVLQfLviqYinvqlh cm0LBn5YhP3CQv9NahIrQ+iJgOdXX1p3GMkeIZj/2ZOQrEewO21fsjg X-Developer-Key: i=famlauro93l@gmail.com; a=ed25519; pk=OAJlcD69ugQCl99Vy6w+Aeu+ZUb1IVGcz1Ijxo6Ch78= X-Endpoint-Received: by B4 Relay for famlauro93l@gmail.com/20260723 with auth_id=892 X-Original-From: Luca Lauro 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: , Reply-To: famlauro93l@gmail.com Sender: "barebox" X-Rspamd-Action: no action X-Rspamd-Server: mx1 X-Stat-Signature: 5hr1yxzzkfncqmtetrrpme3gsceabyh9 X-Spamd-Result: default: False [-7.91 / 15.00]; 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FROM_HAS_DN(0.00)[]; FREEMAIL_CC(0.00)[gmail.com]; NEURAL_HAM(-0.00)[-1.000]; ASN(0.00)[asn:7247, ipnet:2607:7c80:54::/48, country:US]; FORGED_SENDER_MAILLIST(0.00)[]; DKIM_TRACE(0.00)[lists.infradead.org:+,kernel.org:+]; RCPT_COUNT_THREE(0.00)[3]; HAS_REPLYTO(0.00)[famlauro93l@gmail.com] X-Rspamd-Queue-Id: 63547201ED5 From: Luca Lauro Store the DMA address of the periodic queue head in ehci->periodic_queue_dma. Without this initialization the periodic schedule may reference an invalid address. Signed-off-by: Luca Lauro --- drivers/usb/host/ehci-hcd.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 51b9e52a4f..c060d09c64 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -897,6 +897,8 @@ static int ehci_init(struct usb_host *host) periodic->qt_next = cpu_to_hc32(QT_NEXT_TERMINATE); periodic->qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE); + ehci->periodic_queue_dma = ehci_qh_dma(ehci, periodic); + /* * Step 2: Setup frame-list: Every microframe, USB tries the same list. * In particular, device specifications on polling frequency -- 2.47.3