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Sun, 31 Jan 2021 18:14:47 -0800 Received: from MTKMBS31N1.mediatek.inc (172.27.4.69) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 31 Jan 2021 18:04:39 -0800 Received: from MTKCAS32.mediatek.inc (172.27.4.184) by MTKMBS31N1.mediatek.inc (172.27.4.69) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 1 Feb 2021 10:04:35 +0800 Received: from [10.17.3.153] (10.17.3.153) by MTKCAS32.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 1 Feb 2021 10:04:34 +0800 Message-ID: <1612145075.25113.7.camel@mhfsdcap03> Subject: Re: [PATCH v7] usb: xhci-mtk: fix unreleased bandwidth data From: Chunfeng Yun To: Greg Kroah-Hartman Date: Mon, 1 Feb 2021 10:04:35 +0800 In-Reply-To: References: <1611913099-25805-1-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 306A99247371E3F7DA2B90EE49997CA49BA06C6C3336BD45278E03C3B49E59BC2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210131_211453_771023_17533E25 X-CRM114-Status: GOOD ( 20.09 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Zhanyong Wang , Mathias Nyman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Tianping Fang , linux-mediatek@lists.infradead.org, Matthias Brugger , Ikjoon Jang , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, 2021-01-29 at 11:27 +0100, Greg Kroah-Hartman wrote: > On Fri, Jan 29, 2021 at 05:38:19PM +0800, Chunfeng Yun wrote: > > From: Ikjoon Jang > > > > xhci-mtk needs XHCI_MTK_HOST quirk functions in add_endpoint() and > > drop_endpoint() to handle its own sw bandwidth management. > > > > It stores bandwidth data into an internal table every time > > add_endpoint() is called, and drops those in drop_endpoint(). > > But when bandwidth allocation fails at one endpoint, all earlier > > allocation from the same interface could still remain at the table. > > > > This patch moves bandwidth management codes to check_bandwidth() and > > reset_bandwidth() path. To do so, this patch also adds those functions > > to xhci_driver_overrides and lets mtk-xhci to release all failed > > endpoints in reset_bandwidth() path. > > > > Fixes: 08e469de87a2 ("usb: xhci-mtk: supports bandwidth scheduling with multi-TT") > > Signed-off-by: Ikjoon Jang > > Signed-off-by: Chunfeng Yun > > --- > > Changes in v7 from Chunfeng: > > - rename xhci_mtk_droop_ep() as destroy_sch_ep(), and include parameters > > - add member @allocated in mu3h_sch_ep_info struct > > used to skip endpoint not allocated bandwidth > > - use xhci_dbg() instead of dev_dbg() > > - rename bw_ep_list_new as bw_ep_chk_list > > As a previous version of this patch is already in my public tree, just > send a follow-on patch that resolves the issues in the previous one, as > I can not apply this one. Bonus is that you get the credit for fixing > these issues :) Ok, thanks > > thanks, > > greg k-h _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel