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3 Commits

Author SHA1 Message Date
Manivannan Sadhasivam
961aeb6892 bus: mhi: ep: Add support for sending events to the host 
Add support for sending the events to the host over MHI bus from the
endpoint. Following events are supported:

1. Transfer completion event
2. Command completion event
3. State change event
4. Execution Environment (EE) change event

An event is sent whenever an operation has been completed in the MHI EP
device. Event is sent using the MHI event ring and additionally the host
is notified using an IRQ if required.

Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20220405135754.6622-7-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2022-04-26 13:17:41 +02:00
Manivannan Sadhasivam
3a1b8e281a bus: mhi: Make mhi_state_str[] array static inline and move to common.h 
mhi_state_str[] array could be used by MHI endpoint stack also. So let's
make the array as "static inline function" and move it inside the
"common.h" header so that the endpoint stack could also make use of it.

Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20220301160308.107452-11-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2022-03-18 14:02:55 +01:00
Manivannan Sadhasivam
8485149c7a bus: mhi: Move common MHI definitions out of host directory 
Move the common MHI definitions in host "internal.h" to "common.h" so
that the endpoint code can make use of them. This also avoids
duplicating the definitions in the endpoint stack.

Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20220301160308.107452-10-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2022-03-18 14:02:55 +01:00