From patchwork Wed Nov 23 14:49:01 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 13053769 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5BFC3C433FE for ; Wed, 23 Nov 2022 14:49:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2183A10E55F; Wed, 23 Nov 2022 14:49:08 +0000 (UTC) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 790AA10E213; Wed, 23 Nov 2022 14:49:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669214940; x=1700750940; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=pgt4N39lUyQv8Pv+snAd9Kisc2GhpoYqnvOX9T/Og/g=; b=jOXDOb51Dbd1hY/ulcyFE6XHXg43mNzalYaSQLM7qJqj6Vb6nJpIisO9 jc8RG+A3VrBuBP3QgjF/hRiij4XA7edz9+li2jNcPNPcHzjDfCtboM+Xy jOEcH29IabtNW3r9NtwCdz3a8aTkCkdWDU3/85DC1PJCmuDDfZwBSICHa abMa9BoCTJFBWM1MfYuz7FuKi5LuXicC63gc2W2/6z7laMWIDachEComD u0W4jffRYdF6hv2Y4lcPcG6BawwDQHu1bjDlW3AQCEyM89cBKFAr5ilwV htB9QLsT66OtoP49S0GzywtjoOx5bDkXKNQk7wLwyyFhZt10I4csqCkDz A==; X-IronPort-AV: E=McAfee;i="6500,9779,10540"; a="314114879" X-IronPort-AV: E=Sophos;i="5.96,187,1665471600"; d="scan'208";a="314114879" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Nov 2022 06:48:41 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10540"; a="970883660" X-IronPort-AV: E=Sophos;i="5.96,187,1665471600"; d="scan'208";a="970883660" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga005.fm.intel.com with ESMTP; 23 Nov 2022 06:48:37 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id B03FC24A; Wed, 23 Nov 2022 16:49:03 +0200 (EET) From: Andy Shevchenko To: Jakob Koschel , Andy Shevchenko , Greg Kroah-Hartman , Mathias Nyman , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Subject: [PATCH v4 4/4] xhci: Convert to use list_count() Date: Wed, 23 Nov 2022 16:49:01 +0200 Message-Id: <20221123144901.40493-4-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221123144901.40493-1-andriy.shevchenko@linux.intel.com> References: <20221123144901.40493-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tvrtko Ursulin , Kevin Cernekee , Mathias Nyman , Hans de Goede , Rodrigo Vivi Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The list API now provides the list_count() to help with counting existing nodes in the list. Utilise it. Signed-off-by: Andy Shevchenko Acked-by: Mathias Nyman --- v4: added tag (Mathias) v3: no change v2: no change 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) {