diff --git a/drivers/bus/mhi/core/init.c b/drivers/bus/mhi/core/init.c index 2534f1c9c153..655d539c6808 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 @@ -1169,11 +1168,6 @@ 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; @@ -1207,9 +1201,6 @@ 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 2df8de5432f9..6f80ec30c0cd 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/net/wireless/ath/ath11k/mhi.c b/drivers/net/wireless/ath/ath11k/mhi.c index aded9a719d51..47a1ce1bee4f 100644 --- a/drivers/net/wireless/ath/ath11k/mhi.c +++ b/drivers/net/wireless/ath/ath11k/mhi.c @@ -24,7 +24,6 @@ static struct mhi_channel_config ath11k_mhi_channels[] = { .offload_channel = false, .doorbell_mode_switch = false, .auto_queue = false, - .auto_start = false, }, { .num = 1, @@ -39,7 +38,6 @@ static struct mhi_channel_config ath11k_mhi_channels[] = { .offload_channel = false, .doorbell_mode_switch = false, .auto_queue = false, - .auto_start = false, }, { .num = 20, @@ -54,7 +52,6 @@ static struct mhi_channel_config ath11k_mhi_channels[] = { .offload_channel = false, .doorbell_mode_switch = false, .auto_queue = false, - .auto_start = true, }, { .num = 21, @@ -69,7 +66,6 @@ static struct mhi_channel_config ath11k_mhi_channels[] = { .offload_channel = false, .doorbell_mode_switch = false, .auto_queue = true, - .auto_start = true, }, }; diff --git a/include/linux/mhi.h b/include/linux/mhi.h index 1ed5f2aa224b..d31efcf02ae7 100644 --- a/include/linux/mhi.h +++ b/include/linux/mhi.h @@ -214,7 +214,6 @@ enum mhi_db_brst_mode { * @offload_channel: The client manages the channel completely * @doorbell_mode_switch: Channel switches to doorbell mode on M0 transition * @auto_queue: Framework will automatically queue buffers for DL traffic - * @auto_start: Automatically start (open) this channel * @wake-capable: Channel capable of waking up the system */ struct mhi_channel_config { @@ -232,7 +231,6 @@ struct mhi_channel_config { bool offload_channel; bool doorbell_mode_switch; bool auto_queue; - bool auto_start; bool wake_capable; }; diff --git a/net/qrtr/mhi.c b/net/qrtr/mhi.c index ff0c41467fc1..2bf2b1943e61 100644 --- a/net/qrtr/mhi.c +++ b/net/qrtr/mhi.c @@ -76,6 +76,11 @@ static int qcom_mhi_qrtr_probe(struct mhi_device *mhi_dev, struct qrtr_mhi_dev *qdev; int rc; + /* start channels */ + rc = mhi_prepare_for_transfer(mhi_dev); + if (rc) + return rc; + qdev = devm_kzalloc(&mhi_dev->dev, sizeof(*qdev), GFP_KERNEL); if (!qdev) return -ENOMEM; @@ -99,6 +104,7 @@ static void qcom_mhi_qrtr_remove(struct mhi_device *mhi_dev) struct qrtr_mhi_dev *qdev = dev_get_drvdata(&mhi_dev->dev); qrtr_endpoint_unregister(&qdev->ep); + mhi_unprepare_from_transfer(mhi_dev); dev_set_drvdata(&mhi_dev->dev, NULL); }