diff options
author | Bhaumik Bhatt <bbhatt@codeaurora.org> | 2020-09-29 23:22:13 +0530 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-10-02 11:33:47 +0200 |
commit | c7bd825e52b3d0b9ae519a006b80521d4587f864 (patch) | |
tree | eb46db347340bb19767091a3eed6dad3a6e28c08 /drivers/bus/mhi/Kconfig | |
parent | e0af24acdabc3cdb00bb8c8e23f117ae5d8a4ef4 (diff) |
bus: mhi: core: Introduce debugfs entries for MHI
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>
Diffstat (limited to 'drivers/bus/mhi/Kconfig')
-rw-r--r-- | drivers/bus/mhi/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/bus/mhi/Kconfig b/drivers/bus/mhi/Kconfig index 6677cccd61f3..e841c1097fb4 100644 --- a/drivers/bus/mhi/Kconfig +++ b/drivers/bus/mhi/Kconfig @@ -12,3 +12,11 @@ config MHI_BUS communication protocol used by the host processors to control and communicate with modem devices over a high speed peripheral bus or shared memory. + +config MHI_BUS_DEBUG + bool "Debugfs support for the MHI bus" + depends on MHI_BUS && DEBUG_FS + help + Enable debugfs support for use with the MHI transport. Allows + reading and/or modifying some values within the MHI controller + for debug and test purposes. |