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Add support for probing on ACPI systems, with ACPI HID QCOM8160.
On ACPI systems, clocks are always enabled, the PRNG should
already be enabled, and the register region is read-only.
The driver only verifies that the hardware is already
enabled never tries to disable or configure it.
Signed-off-by: Timur Tabi <[email protected]>
Tested-by: Jeffrey Hugo <[email protected]>
[port to crypto API]
Signed-off-by: Vinod Koul <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
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Qcom 8996 and later chips features multiple Execution Environments
(EE) and secure world is typically responsible for configuring the
prng.
Add driver data for qcom,prng as 0 and qcom,prng-ee as 1 and use
that to skip initialization routine.
Signed-off-by: Vinod Koul <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
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This ports the Qcom prng from older hw_random driver.
No change of functionality and move from hw_random to crypto
APIs is done.
Reviewed-by: Linus Walleij <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
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