Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758132AbbGHGXE (ORCPT ); Wed, 8 Jul 2015 02:23:04 -0400 Received: from mail-wg0-f50.google.com ([74.125.82.50]:34578 "EHLO mail-wg0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754051AbbGHGW6 (ORCPT ); Wed, 8 Jul 2015 02:22:58 -0400 MIME-Version: 1.0 In-Reply-To: <20150707205243.GK7557@n2100.arm.linux.org.uk> References: <20150707205243.GK7557@n2100.arm.linux.org.uk> Date: Wed, 8 Jul 2015 08:22:57 +0200 Message-ID: Subject: Re: SDHCI: mdelay() in hot path in esdhc_pltfm_set_clock looses CAN (!) frames From: Holger Schurig To: Russell King - ARM Linux Cc: Fabio Estevam , "linux-mmc@vger.kernel.org" , Chris Ball , Ulf Hansson , open list , Dong Aisheng , Sascha Hauer Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 545 Lines: 12 Wow, at last some reaction. And I thought nobody cares ... BTW, removing CONFIG_MMC_CLKGATE helped a bit, because the pointless clock-off-clock-on while the device is booting (or accessing multiple sectors within a short time) isn't going to happen anymore. But really, a mdelay(1) in a driver ... -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/