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Revision 7d2aa6b814476a2e2794960f844344519246df72 authored by Marek Szyprowski on 20 March 2017, 09:17:56 UTC, committed by Joerg Roedel on 22 March 2017, 14:50:32 UTC 
iommu/exynos: Block SYSMMU while invalidating FLPD cache
 
Documentation specifies that SYSMMU should be in blocked state while
performing TLB/FLPD cache invalidation, so add needed calls to
sysmmu_block/unblock.

Fixes: 66a7ed84b345d ("iommu/exynos: Apply workaround of caching fault page table entries")
CC: stable@vger.kernel.org # v4.10+
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
1 parent 5003ae1
Raw File
sysfs-bus-umc 
What:           /sys/bus/umc/
Date:           July 2008
KernelVersion:  2.6.27
Contact:        David Vrabel <david.vrabel@csr.com>
Description:
                The Wireless Host Controller Interface (WHCI)
                specification describes a PCI-based device with
                multiple capabilities; the UWB Multi-interface
                Controller (UMC).

                The umc bus presents each of the individual
                capabilties as a device.

What:           /sys/bus/umc/devices/.../capability_id
Date:           July 2008
KernelVersion:  2.6.27
Contact:        David Vrabel <david.vrabel@csr.com>
Description:
                The ID of this capability, with 0 being the radio
                controller capability.

What:           /sys/bus/umc/devices/.../version
Date:           July 2008
KernelVersion:  2.6.27
Contact:        David Vrabel <david.vrabel@csr.com>
Description:
                The specification version this capability's hardware
                interface complies with.
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