From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ohad Ben-Cohen Subject: Re: MMC runtime PM patches break libertas probe Date: Sun, 7 Nov 2010 15:17:55 +0200 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Return-path: Received: from mail-iw0-f174.google.com ([209.85.214.174]:46212 "EHLO mail-iw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752471Ab0KGNSQ (ORCPT ); Sun, 7 Nov 2010 08:18:16 -0500 Received: by iwn41 with SMTP id 41so2867192iwn.19 for ; Sun, 07 Nov 2010 05:18:16 -0800 (PST) In-Reply-To: Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Daniel Drake Cc: linux-mmc@vger.kernel.org, Chris Ball On Sun, Nov 7, 2010 at 12:51 PM, Daniel Drake wrote: > If you take the interface down, the card is still powered up in some > way. With SDIO runtime pm support, it shouldn't be. > When I asked the hardware guy he said it was entirely controlled by > the normal SD power pin, but a full card reset will be needed after > cycling the power. We need to understand why the wlan card on the XO-1.5 does not go through full power off/on cycle, despite software calling mmc_power_off/on. If this is solved, I don't think you will still need that rfkill driver.