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-rw-r--r--drivers/bus/mhi/core/init.c9
-rw-r--r--drivers/bus/mhi/core/internal.h1
-rw-r--r--drivers/bus/mhi/core/main.c11
3 files changed, 11 insertions, 10 deletions
diff --git a/drivers/bus/mhi/core/init.c b/drivers/bus/mhi/core/init.c
index 0ffdebde8265..381fdea2eb9f 100644
--- a/drivers/bus/mhi/core/init.c
+++ b/drivers/bus/mhi/core/init.c
@@ -758,7 +758,6 @@ static int parse_ch_cfg(struct mhi_controller *mhi_cntrl,
mhi_chan->offload_ch = ch_cfg->offload_channel;
mhi_chan->db_cfg.reset_req = ch_cfg->doorbell_mode_switch;
mhi_chan->pre_alloc = ch_cfg->auto_queue;
- mhi_chan->auto_start = ch_cfg->auto_start;
/*
* If MHI host allocates buffers, then the channel direction
@@ -1160,11 +1159,6 @@ static int mhi_driver_probe(struct device *dev)
goto exit_probe;
ul_chan->xfer_cb = mhi_drv->ul_xfer_cb;
- if (ul_chan->auto_start) {
- ret = mhi_prepare_channel(mhi_cntrl, ul_chan);
- if (ret)
- goto exit_probe;
- }
}
ret = -EINVAL;
@@ -1198,9 +1192,6 @@ static int mhi_driver_probe(struct device *dev)
if (ret)
goto exit_probe;
- if (dl_chan && dl_chan->auto_start)
- mhi_prepare_channel(mhi_cntrl, dl_chan);
-
mhi_device_put(mhi_dev);
return ret;
diff --git a/drivers/bus/mhi/core/internal.h b/drivers/bus/mhi/core/internal.h
index 7989269ddd96..33c23203c531 100644
--- a/drivers/bus/mhi/core/internal.h
+++ b/drivers/bus/mhi/core/internal.h
@@ -563,7 +563,6 @@ struct mhi_chan {
bool configured;
bool offload_ch;
bool pre_alloc;
- bool auto_start;
bool wake_capable;
};
diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c
index 2cff5ddff225..ba9e721d61b7 100644
--- a/drivers/bus/mhi/core/main.c
+++ b/drivers/bus/mhi/core/main.c
@@ -1165,6 +1165,17 @@ int mhi_queue_buf(struct mhi_device *mhi_dev, enum dma_data_direction dir,
}
EXPORT_SYMBOL_GPL(mhi_queue_buf);
+bool mhi_queue_is_full(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 mhi_is_ring_full(mhi_cntrl, tre_ring);
+}
+EXPORT_SYMBOL_GPL(mhi_queue_is_full);
+
int mhi_send_cmd(struct mhi_controller *mhi_cntrl,
struct mhi_chan *mhi_chan,
enum mhi_cmd_type cmd)