From patchwork Wed Nov 30 13:48:38 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 13059857 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 2B39CC4332F for ; Wed, 30 Nov 2022 13:48:30 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B9B6F10E456; Wed, 30 Nov 2022 13:48:27 +0000 (UTC) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5B23F10E454; Wed, 30 Nov 2022 13:48:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669816101; x=1701352101; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=I2235I6+qL/ul/8hqTNNkG+zjnVNh7zDAoRuFikuV88=; b=LgvrD5zQb0ocysQASAYDCx17e3g9SqkHqFkwDP7cEfTaRxbauVpDeweM BuUmaZnXMGwRMZ1wuZOg8d1JuEx7YZ7kQkNLziPm9J1DHq0Ee9f4IWhw1 ezNwsKMAaNu48Q5XtDMFO9AxZuJZDEagTrkS6azEcIetvZKcYZmBaxp9T IvEDPFns8Yg6ZSoJwE61E3ZwLJcxAep81bFW4UFk60n6bD5yIY5Bu6j8R THcliaLzmXdcv0NK9Y+pzZnyscCf4a/O3zThNQv5vKCLB7x9ByaMNFlEW LXnk9zIgcxVM4bFfNlu/aBGLlfKCA5M96AShL5frIIwREP9C6NIrASZsQ Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10546"; a="317244865" X-IronPort-AV: E=Sophos;i="5.96,206,1665471600"; d="scan'208";a="317244865" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Nov 2022 05:48:16 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10546"; a="973108894" X-IronPort-AV: E=Sophos;i="5.96,206,1665471600"; d="scan'208";a="973108894" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga005.fm.intel.com with ESMTP; 30 Nov 2022 05:48:12 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id B1E6E184; Wed, 30 Nov 2022 15:48:39 +0200 (EET) From: Andy Shevchenko To: Greg Kroah-Hartman , Andy Shevchenko , Mathias Nyman , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Subject: [PATCH v5 4/4] xhci: Convert to use list_count_nodes() Date: Wed, 30 Nov 2022 15:48:38 +0200 Message-Id: <20221130134838.23805-4-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221130134838.23805-1-andriy.shevchenko@linux.intel.com> References: <20221130134838.23805-1-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 , Rodrigo Vivi Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The list API provides the list_count_nodes() to help with counting existing nodes in the list. Utilise it. Acked-by: Mathias Nyman Signed-off-by: Andy Shevchenko --- v5: used renamed API (LKP) 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 ddc30037f9ce..aa4d34efecd2 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2528,7 +2528,6 @@ 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; @@ -2582,10 +2581,8 @@ 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_nodes(&ep_ring->td_list); /* Look for common error cases */ switch (trb_comp_code) {