evie/android_kernel_oneplus_msm8998
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mhi: core: Reorder channel initialization sequence

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Enable the local bounce buffer list before the device
channel initialization sequence.

Change-Id: Ia87698dc83807727f6897356bf9b23f123c53851
Signed-off-by: Andrei Danaila <adanaila@codeaurora.org>
Signed-off-by: Tony Truong <truong@codeaurora.org>
This commit is contained in:
Tony Truong 2015-11-10 17:28:42 -08:00 • committed by David Keitel
parent d3d1144ee5
commit dd91a9a03a
1 changed files with 9 additions and 8 deletions
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17
drivers/platform/msm/mhi/mhi_main.c
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@ -293,6 +293,13 @@ enum MHI_STATUS mhi_open_channel(struct mhi_client_handle *client_handle)
chan, mhi_dev_ctxt->dev_exec_env);
return MHI_STATUS_DEVICE_NOT_READY;
}
r = populate_tre_ring(client_handle);
if (r) {
mhi_log(MHI_MSG_ERROR,
"Failed to initialize tre ring chan %d ret %d\n",
chan, r);
return r;
}
client_handle->event_ring_index =
mhi_dev_ctxt->dev_space.ring_ctxt.
cc_list[chan].mhi_event_ring_index;
@ -302,14 +309,7 @@ enum MHI_STATUS mhi_open_channel(struct mhi_client_handle *client_handle)
mhi_log(MHI_MSG_ERROR,
"Failed to initialize bb ctxt chan %d ret %d\n",
chan, r);
return r;
}
r = populate_tre_ring(client_handle);
if (r) {
mhi_log(MHI_MSG_ERROR,
"Failed to initialize tre ring chan %d ret %d\n",
chan, r);
return r;
return MHI_STATUS_ERROR;
}
client_handle->msi_vec =
@ -423,6 +423,7 @@ void mhi_close_channel(struct mhi_client_handle *client_handle)
}
mhi_log(MHI_MSG_INFO, "Freeing ring for chan 0x%x\n", chan);
free_tre_ring(client_handle);
mhi_log(MHI_MSG_INFO, "Chan 0x%x confirmed closed.\n", chan);
client_handle->chan_status = 0;
}