Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1031514AbbKDWyS (ORCPT ); Wed, 4 Nov 2015 17:54:18 -0500 Received: from mail-pa0-f42.google.com ([209.85.220.42]:34021 "EHLO mail-pa0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1031011AbbKDWxl (ORCPT ); Wed, 4 Nov 2015 17:53:41 -0500 From: Douglas Anderson To: John Youn , balbi@ti.com Cc: Yunzhi Li , =?UTF-8?q?Heiko=20St=C3=BCbner?= , linux-rockchip@lists.infradead.org, Julius Werner , gregory.herrero@intel.com, yousaf.kaukab@intel.com, dinguyen@opensource.altera.com, Douglas Anderson , johnyoun@synopsys.com, gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/3] usb: dwc2: host: Giveback URB in tasklet context Date: Wed, 4 Nov 2015 14:53:04 -0800 Message-Id: <1446677585-28582-3-git-send-email-dianders@chromium.org> X-Mailer: git-send-email 2.6.0.rc2.230.g3dd15c0 In-Reply-To: <1446677585-28582-1-git-send-email-dianders@chromium.org> References: <1446677585-28582-1-git-send-email-dianders@chromium.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1348 Lines: 42 In commit 94dfd7edfd5c ("USB: HCD: support giveback of URB in tasklet context") support was added to give back the URB in tasklet context. Let's take advantage of this in dwc2. This speeds up the dwc2 interrupt handler considerably. Signed-off-by: Douglas Anderson --- drivers/usb/dwc2/hcd.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index e79baf73c234..9e7988950c7a 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -2273,9 +2273,7 @@ void dwc2_host_complete(struct dwc2_hsotg *hsotg, struct dwc2_qtd *qtd, kfree(qtd->urb); qtd->urb = NULL; - spin_unlock(&hsotg->lock); usb_hcd_giveback_urb(dwc2_hsotg_to_hcd(hsotg), urb, status); - spin_lock(&hsotg->lock); } /* @@ -2888,7 +2886,7 @@ static struct hc_driver dwc2_hc_driver = { .hcd_priv_size = sizeof(struct wrapper_priv_data), .irq = _dwc2_hcd_irq, - .flags = HCD_MEMORY | HCD_USB2, + .flags = HCD_MEMORY | HCD_USB2 | HCD_BH, .start = _dwc2_hcd_start, .stop = _dwc2_hcd_stop, -- 2.6.0.rc2.230.g3dd15c0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/