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Kirill Smelkov
linux
Commits
77f2cb28
Commit
77f2cb28
authored
Jan 27, 2021
by
Manivannan Sadhasivam
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Merge branch 'mhi-net-immutable' into mhi-next
parents
a8f75cb3
87baa23e
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drivers/bus/mhi/core/main.c
drivers/bus/mhi/core/main.c
+12
-0
include/linux/mhi.h
include/linux/mhi.h
+9
-0
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drivers/bus/mhi/core/main.c
View file @
77f2cb28
...
@@ -280,6 +280,18 @@ int mhi_destroy_device(struct device *dev, void *data)
...
@@ -280,6 +280,18 @@ int mhi_destroy_device(struct device *dev, void *data)
return
0
;
return
0
;
}
}
int
mhi_get_free_desc_count
(
struct
mhi_device
*
mhi_dev
,
enum
dma_data_direction
dir
)
{
struct
mhi_controller
*
mhi_cntrl
=
mhi_dev
->
mhi_cntrl
;
struct
mhi_chan
*
mhi_chan
=
(
dir
==
DMA_TO_DEVICE
)
?
mhi_dev
->
ul_chan
:
mhi_dev
->
dl_chan
;
struct
mhi_ring
*
tre_ring
=
&
mhi_chan
->
tre_ring
;
return
get_nr_avail_ring_elements
(
mhi_cntrl
,
tre_ring
);
}
EXPORT_SYMBOL_GPL
(
mhi_get_free_desc_count
);
void
mhi_notify
(
struct
mhi_device
*
mhi_dev
,
enum
mhi_callback
cb_reason
)
void
mhi_notify
(
struct
mhi_device
*
mhi_dev
,
enum
mhi_callback
cb_reason
)
{
{
struct
mhi_driver
*
mhi_drv
;
struct
mhi_driver
*
mhi_drv
;
...
...
include/linux/mhi.h
View file @
77f2cb28
...
@@ -602,6 +602,15 @@ void mhi_set_mhi_state(struct mhi_controller *mhi_cntrl,
...
@@ -602,6 +602,15 @@ void mhi_set_mhi_state(struct mhi_controller *mhi_cntrl,
*/
*/
void
mhi_notify
(
struct
mhi_device
*
mhi_dev
,
enum
mhi_callback
cb_reason
);
void
mhi_notify
(
struct
mhi_device
*
mhi_dev
,
enum
mhi_callback
cb_reason
);
/**
* mhi_get_free_desc_count - Get transfer ring length
* Get # of TD available to queue buffers
* @mhi_dev: Device associated with the channels
* @dir: Direction of the channel
*/
int
mhi_get_free_desc_count
(
struct
mhi_device
*
mhi_dev
,
enum
dma_data_direction
dir
);
/**
/**
* mhi_prepare_for_power_up - Do pre-initialization before power up.
* mhi_prepare_for_power_up - Do pre-initialization before power up.
* This is optional, call this before power up if
* This is optional, call this before power up if
...
...
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