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Introduce debugfs entries to show state, register, channel, device, and event rings information. Allow the host to dump registers, issue device wake, and change the MHI timeout to help in debug. Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20200929175218.8178-15-manivannan.sadhasivam@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
23 lines
670 B
Plaintext
23 lines
670 B
Plaintext
# SPDX-License-Identifier: GPL-2.0
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#
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# MHI bus
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#
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# Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
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#
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config MHI_BUS
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tristate "Modem Host Interface (MHI) bus"
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help
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Bus driver for MHI protocol. Modem Host Interface (MHI) is a
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communication protocol used by the host processors to control
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and communicate with modem devices over a high speed peripheral
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bus or shared memory.
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config MHI_BUS_DEBUG
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bool "Debugfs support for the MHI bus"
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depends on MHI_BUS && DEBUG_FS
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help
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Enable debugfs support for use with the MHI transport. Allows
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reading and/or modifying some values within the MHI controller
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for debug and test purposes.
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