{"id":2223706,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2223706/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260416014928.1279360-2-jamin_lin@aspeedtech.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.1/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260416014928.1279360-2-jamin_lin@aspeedtech.com>","date":"2026-04-16T01:49:32","name":"[v3,01/17] hw/usb/hcd-ehci: Remove unused EHCIfstn structure and dead code","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"e7883b379fa2c4e52ad241b4bd9280102e80b2fb","submitter":{"id":81768,"url":"http://patchwork.ozlabs.org/api/1.1/people/81768/?format=json","name":"Jamin Lin","email":"jamin_lin@aspeedtech.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260416014928.1279360-2-jamin_lin@aspeedtech.com/mbox/","series":[{"id":500066,"url":"http://patchwork.ozlabs.org/api/1.1/series/500066/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500066","date":"2026-04-16T01:49:32","name":"hw/usb/ehci: Add 64-bit descriptor addressing support","version":3,"mbox":"http://patchwork.ozlabs.org/series/500066/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2223706/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2223706/checks/","tags":{},"headers":{"Return-Path":"<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>","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=aspeedtech.com header.i=@aspeedtech.com\n header.a=rsa-sha256 header.s=selector1 header.b=BClpfyZR;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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Remove it to reduce\nunused code and improve maintainability.\n\nAdditionally, drop a block of disabled (#if 0) code in\nehci_state_advqueue() that was never implemented. This code path\nis incomplete and has no functional impact.\n\nNo functional change.\n\nSigned-off-by: Jamin Lin <jamin_lin@aspeedtech.com>\n---\n hw/usb/hcd-ehci.h |  7 -------\n hw/usb/hcd-ehci.c | 11 -----------\n 2 files changed, 18 deletions(-)","diff":"diff --git a/hw/usb/hcd-ehci.h b/hw/usb/hcd-ehci.h\nindex 0ae8c06331..3aec0e047c 100644\n--- a/hw/usb/hcd-ehci.h\n+++ b/hw/usb/hcd-ehci.h\n@@ -202,13 +202,6 @@ typedef struct EHCIqh {\n #define BUFPTR_SBYTES_SH              5\n } EHCIqh;\n \n-/*  EHCI spec version 1.0 Section 3.7\n- */\n-typedef struct EHCIfstn {\n-    uint32_t next;                    /* Standard next link pointer */\n-    uint32_t backptr;                 /* Standard next link pointer */\n-} EHCIfstn;\n-\n enum async_state {\n     EHCI_ASYNC_NONE = 0,\n     EHCI_ASYNC_INITIALIZED,\ndiff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c\nindex 57f930b099..5ea8461f70 100644\n--- a/hw/usb/hcd-ehci.c\n+++ b/hw/usb/hcd-ehci.c\n@@ -1756,17 +1756,6 @@ static int ehci_state_fetchsitd(EHCIState *ehci, int async)\n /* Section 4.10.2 - paragraph 3 */\n static int ehci_state_advqueue(EHCIQueue *q)\n {\n-#if 0\n-    /* TO-DO: 4.10.2 - paragraph 2\n-     * if I-bit is set to 1 and QH is not active\n-     * go to horizontal QH\n-     */\n-    if (I-bit set) {\n-        ehci_set_state(ehci, async, EST_HORIZONTALQH);\n-        goto out;\n-    }\n-#endif\n-\n     /*\n      * want data and alt-next qTD is valid\n      */\n","prefixes":["v3","01/17"]}