From patchwork Mon Nov 14 11:28:42 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 625070 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3C7B9C43217 for ; Mon, 14 Nov 2022 11:29:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236496AbiKNL3T (ORCPT ); Mon, 14 Nov 2022 06:29:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52530 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236479AbiKNL2s (ORCPT ); Mon, 14 Nov 2022 06:28:48 -0500 Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AA43DB20; Mon, 14 Nov 2022 03:28:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1668425305; x=1699961305; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=CqSmXEq7rTgzGo2eyXNCXdiASe9v+/RyQA11rBsovD0=; b=CdI13GfWjfQQufzb6yMfsxLpUUzBGJfQ/jo5r4Dfy1lBBXAWRezYMoXv bNC4dFZBUPmxU/TVz1WrAizZYa8rwHO4iB69CJO4fTZZYV5gz5GNvK7FC zkbdkDDSappICXhsJ1ojWUeAYz7sniRhTBA3DGaVyA1X8Tja+phml7sGa YYAtb9zVremT12VR1T0RinxZbLcSRrXZmIu29P/f3N8udoJjkqW0SNCnD 5C7aJVafaLUoANmQkEC7ofF3rBDzUFDgrf9JCG3g8nyM2JwL6UXvpJbct fbOUtUOTdgPnWptKuQJ/L+iYWTS/WUl/aHHF4/NwTozoggZ2PSrOaj5SL w==; X-IronPort-AV: E=McAfee;i="6500,9779,10530"; a="374074729" X-IronPort-AV: E=Sophos;i="5.96,161,1665471600"; d="scan'208";a="374074729" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Nov 2022 03:28:22 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10530"; a="616278552" X-IronPort-AV: E=Sophos;i="5.96,161,1665471600"; d="scan'208";a="616278552" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga006.jf.intel.com with ESMTP; 14 Nov 2022 03:28:19 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id 48FA6339; Mon, 14 Nov 2022 13:28:44 +0200 (EET) From: Andy Shevchenko To: Jakob Koschel , Andy Shevchenko , Greg Kroah-Hartman , Mathias Nyman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Kevin Cernekee , Mathias Nyman , Andrew Morton Subject: [PATCH v1 4/4] xhci: Convert to use list_count() Date: Mon, 14 Nov 2022 13:28:42 +0200 Message-Id: <20221114112842.38565-4-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221114112842.38565-1-andriy.shevchenko@linux.intel.com> References: <20221114112842.38565-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org The list API now provides the list_count() to help with counting existing nodes in the list. Uilise it. Signed-off-by: Andy Shevchenko --- drivers/usb/host/xhci-ring.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index ad81e9a508b1..817c31e3b0c8 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2532,7 +2532,6 @@ static int handle_tx_event(struct xhci_hcd *xhci, union xhci_trb *ep_trb; int status = -EINPROGRESS; struct xhci_ep_ctx *ep_ctx; - struct list_head *tmp; u32 trb_comp_code; int td_num = 0; bool handling_skipped_tds = false; @@ -2580,10 +2579,8 @@ static int handle_tx_event(struct xhci_hcd *xhci, } /* Count current td numbers if ep->skip is set */ - if (ep->skip) { - list_for_each(tmp, &ep_ring->td_list) - td_num++; - } + if (ep->skip) + td_num += list_count(&ep_ring->td_list); /* Look for common error cases */ switch (trb_comp_code) {