From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from v22015052838725402.yourvserver.net ([37.120.178.132]:47873 "EHLO v22015052838725402.yourvserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752010AbbGRHe6 (ORCPT ); Sat, 18 Jul 2015 03:34:58 -0400 Message-ID: <55A9FCF5.6080908@edfritsch.de> Date: Sat, 18 Jul 2015 09:15:01 +0200 From: =?UTF-8?B?Q2hyaXN0aWFuIEzDtnBrZQ==?= MIME-Version: 1.0 To: linux-media@vger.kernel.org CC: pboettcher@kernellabs.com Subject: [PATCH] Technisat SkyStar USB HD,(DVB-S/S2) too much URBs for arm devices Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org List-ID: Using 8 URBs results in a consecutive buffer allocation of too much memory for some arm devices. As we use isochronuous transfers the number of URBs can be reduced without risking data-loss. Signed-off-by: Christian Loepke --- linux/drivers/media/usb/dvb-usb/technisat-usb2.orig.c +++ linux/drivers/media/usb/dvb-usb/technisat-usb2.c @@ -707,7 +707,7 @@ .stream = { .type = USB_ISOC, - .count = 8, + .count = 4, .endpoint = 0x2, .u = { .isoc = {