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| author | Cristian Marussi <cristian.marussi@arm.com> | 2021-06-07 01:12:24 +0300 |
|---|---|---|
| committer | Sudeep Holla <sudeep.holla@arm.com> | 2021-06-08 18:04:54 +0300 |
| commit | e30d91d4ffda0b30839bb5e7d2a123654de95045 (patch) | |
| tree | 7322fb3e6fdc3cff7383d3c35eb2994baae3a048 /drivers/firmware | |
| parent | f1748b1ee1fa0fd1a074504045b530b62f949188 (diff) | |
| download | linux-e30d91d4ffda0b30839bb5e7d2a123654de95045.tar.xz | |
firmware: arm_scmi: Move reinit_completion from scmi_xfer_get to do_xfer
Re-using timed out xfers in a loop can lead to issue if completion was
not properly reinitialized. Move reinit_completion from scmi_xfer_get to
do_xfer to avoid the issue.
Link: https://lore.kernel.org/r/20210606221232.33768-3-cristian.marussi@arm.com
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
[sudeep.holla: moved reinit_completion instead of adding another one]
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/arm_scmi/driver.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c index 74986bf96656..80010d3f5975 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -241,7 +241,6 @@ static struct scmi_xfer *scmi_xfer_get(const struct scmi_handle *handle, xfer = &minfo->xfer_block[xfer_id]; xfer->hdr.seq = xfer_id; - reinit_completion(&xfer->done); xfer->transfer_id = atomic_inc_return(&transfer_last_id); return xfer; @@ -438,6 +437,7 @@ static int do_xfer(const struct scmi_protocol_handle *ph, * the scmi_xfer structure. */ xfer->hdr.protocol_id = pi->proto->id; + reinit_completion(&xfer->done); cinfo = idr_find(&info->tx_idr, xfer->hdr.protocol_id); if (unlikely(!cinfo)) |