[{"id":3678479,"web_url":"http://patchwork.ozlabs.org/comment/3678479/","msgid":"<0801da2a-3970-4021-8e15-679d0c3d6d5b@linaro.org>","list_archive_url":null,"date":"2026-04-17T04:55:06","subject":"Re: [PATCH v3 07/17] hw/usb/hcd-ehci: Add property to advertise\n 64-bit addressing capability","submitter":{"id":85046,"url":"http://patchwork.ozlabs.org/api/people/85046/","name":"Philippe Mathieu-Daudé","email":"philmd@linaro.org"},"content":"On 16/4/26 03:49, Jamin Lin wrote:\n> Introduce a new boolean property, \"caps-64bit-addr\", to control\n> HCCPARAMS[0] (64-bit Addressing Capability).\n> \n> When enabled, the EHCI controller advertises support for 64-bit\n> address memory pointers as defined in the EHCI specification\n> (Table 2-7, HCCPARAMS). This allows software to use the 64-bit\n> data structure formats described in Appendix B.\n> \n> When disabled (default), the controller reports 32-bit addressing\n> capability and uses the standard 32-bit data structures.\n> \n> Signed-off-by: Jamin Lin \n> Reviewed-by: Cédric Le Goater \n> ---\n> hw/usb/hcd-ehci.h | 1 +\n> hw/usb/hcd-ehci-pci.c | 2 ++\n> hw/usb/hcd-ehci-sysbus.c | 2 ++\n> hw/usb/hcd-ehci.c | 5 ++++-\n> 4 files changed, 9 insertions(+), 1 deletion(-)\n\nReviewed-by: Philippe Mathieu-Daudé ","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=QHM8HC/5;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fxjHY3blQz1yDF\n\tfor ; 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