{"id":2227036,"url":"http://patchwork.ozlabs.org/api/patches/2227036/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260423051804.362095-3-jamin_lin@aspeedtech.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/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":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260423051804.362095-3-jamin_lin@aspeedtech.com>","list_archive_url":null,"date":"2026-04-23T05:18:08","name":"[v4,02/17] hw/usb/hcd-ehci: Remove unused EHCIfstn structure and dead code","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"81b1b56ec07fff1abd622c0930d3d764361a0cac","submitter":{"id":81768,"url":"http://patchwork.ozlabs.org/api/people/81768/?format=json","name":"Jamin Lin","email":"jamin_lin@aspeedtech.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260423051804.362095-3-jamin_lin@aspeedtech.com/mbox/","series":[{"id":501145,"url":"http://patchwork.ozlabs.org/api/series/501145/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501145","date":"2026-04-23T05:18:08","name":"hw/usb/ehci: Add 64-bit descriptor addressing support","version":4,"mbox":"http://patchwork.ozlabs.org/series/501145/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2227036/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2227036/checks/","tags":{},"related":[],"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=aspeedtech.com header.i=@aspeedtech.com\n header.a=rsa-sha256 header.s=selector1 header.b=SXe7GrCK;\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 \nReviewed-by: Cédric Le Goater \n---\n hw/usb/hcd-ehci.h | 7 -------\n hw/usb/hcd-ehci.c | 6 ------\n 2 files changed, 13 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..23167bf96f 100644\n--- a/hw/usb/hcd-ehci.c\n+++ b/hw/usb/hcd-ehci.c\n@@ -1756,16 +1756,10 @@ 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","prefixes":["v4","02/17"]}