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Date: Sun, 27 May 2012 10:04:52 +0900 From: Greg KH <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: torvalds@...ux-foundation.org, akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk, Lin Ming <ming.m.lin@...el.com>, Jeff Garzik <jgarzik@...hat.com> Subject: [ 29/94] libata: forbid port runtime pm by default, fixing regression 3.3-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lin Ming <ming.m.lin@...el.com> 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 <ming.m.lin@...el.com> Signed-off-by: Jeff Garzik <jgarzik@...hat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- 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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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