bus: mhi: core: Add support for reading MHI info from device
The MHI register base has several registers used for getting the MHI specific information such as version, family, major, and minor numbers from the device. This information can be used by the controller drivers for usecases such as applying quirks for a specific revision etc... While at it, let's also rearrange the local variables in mhi_register_controller(). Suggested-by: Hemant Kumar <hemantk@codeaurora.org> Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20200324061050.14845-3-manivannan.sadhasivam@linaro.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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