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firmware: arm_scpi: reinit completion instead of full init_completion() 

Instead of performing full initialization of the completion structure
on each transfer in scpi_send_message(), we initialize it at boot time
(more specifically, in the relevant probe() function) and use
reinit_completion() to reset ->done counter on each message transfer.

Signed-off-by: Alexey Klimov <alexey.klimov@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
This commit is contained in:
Alexey Klimov 2017-03-29 19:16:27 +01:00 committed by Sudeep Holla
parent c1ae3cfa0e
commit c511fa3f35
1 changed files with 5 additions and 2 deletions
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7
drivers/firmware/arm_scpi.c
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@ -538,7 +538,7 @@ static int scpi_send_message(u8 idx, void *tx_buf, unsigned int tx_len,
msg->tx_len = tx_len;
msg->rx_buf = rx_buf;
msg->rx_len = rx_len;
init_completion(&msg->done);
reinit_completion(&msg->done);
ret = mbox_send_message(scpi_chan->chan, msg);
if (ret < 0 || !rx_buf)
@ -872,8 +872,11 @@ static int scpi_alloc_xfer_list(struct device *dev, struct scpi_chan *ch)
return -ENOMEM;
ch->xfers = xfers;
for (i = 0; i < MAX_SCPI_XFERS; i++, xfers++)
for (i = 0; i < MAX_SCPI_XFERS; i++, xfers++) {
init_completion(&xfers->done);
list_add_tail(&xfers->node, &ch->xfers_list);
}
return 0;
}