Messages in this thread | | | Date | Wed, 2 Dec 2020 23:34:24 +0800 | From | kernel test robot <> | Subject | Re: [PATCH] usb: xhci-mtk: fix unreleased bandwidth data |
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Hi Ikjoon,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on usb/usb-testing] [also build test WARNING on v5.10-rc6 next-20201201] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Ikjoon-Jang/usb-xhci-mtk-fix-unreleased-bandwidth-data/20201130-134136 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: nios2-randconfig-r021-20201202 (attached as .config) compiler: nios2-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/324226ecfa4a9c871325f040e886589fbbff2262 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Ikjoon-Jang/usb-xhci-mtk-fix-unreleased-bandwidth-data/20201130-134136 git checkout 324226ecfa4a9c871325f040e886589fbbff2262 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nios2
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
drivers/usb/host/xhci-mtk-sch.c: In function 'xhci_mtk_add_ep_quirk': >> drivers/usb/host/xhci-mtk-sch.c:606:27: warning: variable 'sch_array' set but not used [-Wunused-but-set-variable] 606 | struct mu3h_sch_bw_info *sch_array; | ^~~~~~~~~
vim +/sch_array +606 drivers/usb/host/xhci-mtk-sch.c
0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 596 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 597 int xhci_mtk_add_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev, 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 598 struct usb_host_endpoint *ep) 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 599 { 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 600 struct xhci_hcd_mtk *mtk = hcd_to_mtk(hcd); 324226ecfa4a9c8 Ikjoon Jang 2020-11-30 601 struct xhci_hcd *xhci = hcd_to_xhci(hcd); 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 602 struct xhci_ep_ctx *ep_ctx; 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 603 struct xhci_slot_ctx *slot_ctx; 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 604 struct xhci_virt_device *virt_dev; 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 605 struct mu3h_sch_ep_info *sch_ep; 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 @606 struct mu3h_sch_bw_info *sch_array; 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 607 unsigned int ep_index; 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 608 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 609 virt_dev = xhci->devs[udev->slot_id]; 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 610 ep_index = xhci_get_endpoint_index(&ep->desc); 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 611 slot_ctx = xhci_get_slot_ctx(xhci, virt_dev->in_ctx); 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 612 ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->in_ctx, ep_index); 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 613 sch_array = mtk->sch_array; 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 614 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 615 xhci_dbg(xhci, "%s() type:%d, speed:%d, mpkt:%d, dir:%d, ep:%p\n", 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 616 __func__, usb_endpoint_type(&ep->desc), udev->speed, 734d3ddd81902d8 Felipe Balbi 2016-09-28 617 usb_endpoint_maxp(&ep->desc), 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 618 usb_endpoint_dir_in(&ep->desc), ep); 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 619 b765a16a11fad6b Chunfeng Yun 2016-01-26 620 if (!need_bw_sch(ep, udev->speed, slot_ctx->tt_info & TT_SLOT)) { b765a16a11fad6b Chunfeng Yun 2016-01-26 621 /* b765a16a11fad6b Chunfeng Yun 2016-01-26 622 * set @bpkts to 1 if it is LS or FS periodic endpoint, and its b765a16a11fad6b Chunfeng Yun 2016-01-26 623 * device does not connected through an external HS hub b765a16a11fad6b Chunfeng Yun 2016-01-26 624 */ b765a16a11fad6b Chunfeng Yun 2016-01-26 625 if (usb_endpoint_xfer_int(&ep->desc) b765a16a11fad6b Chunfeng Yun 2016-01-26 626 || usb_endpoint_xfer_isoc(&ep->desc)) b765a16a11fad6b Chunfeng Yun 2016-01-26 627 ep_ctx->reserved[0] |= cpu_to_le32(EP_BPKTS(1)); b765a16a11fad6b Chunfeng Yun 2016-01-26 628 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 629 return 0; b765a16a11fad6b Chunfeng Yun 2016-01-26 630 } 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 631 95b516c18621d16 Chunfeng Yun 2018-09-20 632 sch_ep = create_sch_ep(udev, ep, ep_ctx); 324226ecfa4a9c8 Ikjoon Jang 2020-11-30 633 95b516c18621d16 Chunfeng Yun 2018-09-20 634 if (IS_ERR_OR_NULL(sch_ep)) 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 635 return -ENOMEM; 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 636 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 637 setup_sch_info(udev, ep_ctx, sch_ep); 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 638 324226ecfa4a9c8 Ikjoon Jang 2020-11-30 639 list_add_tail(&sch_ep->endpoint, &mtk->bw_ep_list_new); 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 640 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 641 ep_ctx->reserved[0] |= cpu_to_le32(EP_BPKTS(sch_ep->pkts) 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 642 | EP_BCSCOUNT(sch_ep->cs_count) | EP_BBM(sch_ep->burst_mode)); 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 643 ep_ctx->reserved[1] |= cpu_to_le32(EP_BOFFSET(sch_ep->offset) 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 644 | EP_BREPEAT(sch_ep->repeat)); 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 645 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 646 xhci_dbg(xhci, " PKTS:%x, CSCOUNT:%x, BM:%x, OFFSET:%x, REPEAT:%x\n", 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 647 sch_ep->pkts, sch_ep->cs_count, sch_ep->burst_mode, 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 648 sch_ep->offset, sch_ep->repeat); 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 649 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 650 return 0; 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 651 } 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 652 EXPORT_SYMBOL_GPL(xhci_mtk_add_ep_quirk); 0cbd4b34cda9dfd Chunfeng Yun 2015-11-24 653
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