bus: mhi: core: Add support for downloading firmware over BHIe

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MHI supports downloading the device firmware over BHI/BHIe (Boot Host
Interface) protocol. Hence, this commit adds necessary helpers, which
will be called during device power up stage.

This is based on the patch submitted by Sujeev Dias:
https://lkml.org/lkml/2018/7/9/989

Signed-off-by: Sujeev Dias <sdias@codeaurora.org>
Signed-off-by: Siddartha Mohanadoss <smohanad@codeaurora.org>
[mani: splitted the data transfer patch and cleaned up for upstream]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Tested-by: Jeffrey Hugo <jhugo@codeaurora.org>
Link: https://lore.kernel.org/r/20200220095854.4804-9-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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This commit is contained in:

Manivannan Sadhasivam 2020-02-20 15:28:46 +05:30 • committed by Greg Kroah-Hartman

parent 3000f85b8f

commit cd457afb16

3 changed files with 270 additions and 0 deletions

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268

drivers/bus/mhi/core/boot.c

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1

drivers/bus/mhi/core/init.c

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1

drivers/bus/mhi/core/internal.h

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