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Remove the depencency on the IOMMU IDR register, as it may
not be accessible depending on the security configuraton.
This involves moving the NCB field of IDR into the platform
data.
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
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Use ASID tags in the TLB instead of VMID tags in
preparation for changes to the secure environment.
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
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Clean up the clock control code in the probe calls, and add
support for controlling the clock for the IOMMU bus
interconnect. With the (proper) clock driver in place, the
clock control logic in the probe function can be made much
cleaner since it does not have to deal with the placeholder
driver anymore.
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
Reviewed-by: Trilok Soni <tsoni@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
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Mark the init and exit functions as __init and __exit where
appropriate.
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
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msm_iommu_probe() didn't free mem_region and mapped IO.
Also if request_mem_region() failed then error handling
code dereferenced NULL pointer.
Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Acked-by: Stepan Moskovchenko <stepanm@codeaurora.org>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
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Register a driver for the MSM IOMMU devices and a driver
for the translation context devices. Set up the global
IOMMU registers and initialize the context banks.
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
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