Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933101Ab2E0BIQ (ORCPT ); Sat, 26 May 2012 21:08:16 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:38960 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932762Ab2E0BII (ORCPT ); Sat, 26 May 2012 21:08:08 -0400 Message-Id: <20120527010427.857363446@linuxfoundation.org> User-Agent: quilt/0.60-19.1 Date: Sun, 27 May 2012 10:04:52 +0900 From: Greg KH To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Lin Ming , Jeff Garzik Subject: [ 29/94] libata: forbid port runtime pm by default, fixing regression In-Reply-To: <20120527010332.GA11170@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1172 Lines: 38 3.3-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lin Ming commit 0c8d32c27f5cf6e14ca14b4758d1e994eebd50fd upstream. Forbid port runtime pm by default because it has known hotplug issue. User can allow it by, for example echo auto > /sys/devices/pci0000:00/0000:00:1f.2/ata2/power/control Signed-off-by: Lin Ming Signed-off-by: Jeff Garzik Signed-off-by: Greg Kroah-Hartman --- drivers/ata/libata-transport.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/ata/libata-transport.c +++ b/drivers/ata/libata-transport.c @@ -294,6 +294,7 @@ int ata_tport_add(struct device *parent, device_enable_async_suspend(dev); pm_runtime_set_active(dev); pm_runtime_enable(dev); + pm_runtime_forbid(dev); transport_add_device(dev); transport_configure_device(dev); -- 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/