From mboxrd@z Thu Jan 1 00:00:00 1970 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 9D39AC433F5 for ; Mon, 13 Dec 2021 09:44:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234267AbhLMJoh (ORCPT ); Mon, 13 Dec 2021 04:44:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55822 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235111AbhLMJkJ (ORCPT ); Mon, 13 Dec 2021 04:40:09 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 64692C0698FB; Mon, 13 Dec 2021 01:38:31 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 2CD71B80E23; Mon, 13 Dec 2021 09:38:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 55EA6C341CA; Mon, 13 Dec 2021 09:38:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1639388308; bh=O1PGDriwSHEBuP3uf4Ecckevvwq7N6/cAK0xB98i31o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=M1xm5VO/bk1IP5nNrQWhB0d7bxXl+6330iKkGYQhSYnt8nGrZ39SR42AOzdDV1kyl 66PZ+WLa6mOqmx0OId1PLmfwA5nFi3ENTXg71oSmlH90GmflSzu+W6j23FEFAUcV/I tiTxjqdlYaP5NXRUlyq3dSj7Fnt+yoIazitV6POs= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alan Stern , Pavel Hofman Subject: [PATCH 4.14 38/53] usb: core: config: using bit mask instead of individual bits Date: Mon, 13 Dec 2021 10:30:17 +0100 Message-Id: <20211213092929.626174353@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211213092928.349556070@linuxfoundation.org> References: <20211213092928.349556070@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Pavel Hofman commit ca5737396927afd4d57b133fd2874bbcf3421cdb upstream. Using standard USB_EP_MAXP_MULT_MASK instead of individual bits for extracting multiple-transactions bits from wMaxPacketSize value. Acked-by: Alan Stern Signed-off-by: Pavel Hofman Link: https://lore.kernel.org/r/20211210085219.16796-2-pavel.hofman@ivitera.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/config.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -425,9 +425,9 @@ static int usb_parse_endpoint(struct dev maxpacket_maxes = full_speed_maxpacket_maxes; break; case USB_SPEED_HIGH: - /* Bits 12..11 are allowed only for HS periodic endpoints */ + /* Multiple-transactions bits are allowed only for HS periodic endpoints */ if (usb_endpoint_xfer_int(d) || usb_endpoint_xfer_isoc(d)) { - i = maxp & (BIT(12) | BIT(11)); + i = maxp & USB_EP_MAXP_MULT_MASK; maxp &= ~i; } /* fallthrough */