Commit 28e7d218 authored Jan 13, 2012 by Rafał Miłecki Committed by John W. Linville Jan 16, 2012

bcma: invalidate the mapped core over suspend/resume



This clears the currently mapped core when suspending, to force
re-mapping after resume. Without that we were touching default core
registers believing some other core is mapped. Such a behaviour
resulted in lockups on some machines.

Cc: stable@vger.kernel.org
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

parent 8675b505

drivers/bcma/host_pci.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -237,11 +237,14 @@ static void bcma_host_pci_remove(struct pci_dev *dev)
		#ifdef CONFIG_PM
		static int bcma_host_pci_suspend(struct pci_dev *dev, pm_message_t state)
		{
		struct bcma_bus *bus = pci_get_drvdata(dev);

		/* Host specific */
		pci_save_state(dev);
		pci_disable_device(dev);
		pci_set_power_state(dev, pci_choose_state(dev, state));

		bus->mapped_core = NULL;
		return 0;
		}