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baseband/fpga_lte_fec: fix polling of MMIO register

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Polling of MMIO register could misreport the actual value
set dynamically in hardware as the variable was not set explicitly
to volatile integer.

Fixes: efd453698c ("baseband/fpga_lte_fec: add driver for FEC on FPGA")
Cc: stable@dpdk.org

Signed-off-by: Nicolas Chautru <nicolas.chautru@intel.com>
This commit is contained in:
Nicolas Chautru 2019-10-22 06:16:17 -07:00 committed by Akhil Goyal
parent 6d608a6ccd
commit e12aabced4
1 changed files with 1 additions and 1 deletions
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2
drivers/baseband/fpga_lte_fec/fpga_lte_fec.c
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@ -889,7 +889,7 @@ fpga_queue_stop(struct rte_bbdev *dev, uint16_t queue_id)
* completed. If completion flag is not updated within 1ms it is
* considered as a failure.
*/
while (!(*((uint8_t *)d->flush_queue_status + q->q_idx) & payload)) {
while (!(*((volatile uint8_t *)d->flush_queue_status + q->q_idx) & payload)) {
if (counter > timeout) {
rte_bbdev_log(ERR, "FPGA Queue Flush failed for queue %d",
queue_id);