common/qat: remove unused time counter

Reported by clang 13.
This patch removes the us variable from the qat_pf2vf_exch_msg function
within the PF to VF section of the QAT driver as it is an unused but set
variable.

Bugzilla ID: 881
Fixes: b17d16fb47b4 ("common/qat: add PF to VF communication")

Reported-by: Liang Longfeng <longfengx.liang@intel.com>
Signed-off-by: Conor Walsh <conor.walsh@intel.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>

diff --git a/drivers/common/qat/qat_pf2vf.c b/drivers/common/qat/qat_pf2vf.c
index 6327311..4e9ffc7 100644 (file)
--- a/drivers/common/qat/qat_pf2vf.c
+++ b/drivers/common/qat/qat_pf2vf.c
@@ -54,14 +54,12 @@ int qat_pf2vf_exch_msg(struct qat_pci_device *qat_dev,
                msg |= ADF_PFVF_INT | ADF_PFVF_MSGORIGIN_SYSTEM;
 
                ADF_CSR_WR(pmisc_bar_addr, vf_csr_off, msg);
-               int us = 0;
                /*
                 * Wait for confirmation from remote that it received
                 * the message
                 */
                do {
                        rte_delay_us_sleep(5);
-                       us += 5;
                        val = ADF_CSR_RD(pmisc_bar_addr, vf_csr_off);
                } while ((val & ADF_PFVF_INT) &&
                        (++count < ADF_IOV_MSG_ACK_MAX_RETRY));