The function hisi_qm_stop_qp() always returns zero, and no caller checks the return value. So this function type is changed to void. Signed-off-by: Weili Qian <qianweili@xxxxxxxxxx> --- drivers/crypto/hisilicon/qm.c | 36 ++++++++++------------------------- include/linux/hisi_acc_qm.h | 2 +- 2 files changed, 11 insertions(+), 27 deletions(-) diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c index 75d0b2ea117e..d1fe2de0faa7 100644 --- a/drivers/crypto/hisilicon/qm.c +++ b/drivers/crypto/hisilicon/qm.c @@ -2118,7 +2118,7 @@ static int qm_drain_qp(struct hisi_qp *qp) return ret; } -static int qm_stop_qp_nolock(struct hisi_qp *qp) +static void qm_stop_qp_nolock(struct hisi_qp *qp) { struct hisi_qm *qm = qp->qm; struct device *dev = &qm->pdev->dev; @@ -2132,7 +2132,7 @@ static int qm_stop_qp_nolock(struct hisi_qp *qp) */ if (atomic_read(&qp->qp_status.flags) != QP_START) { qp->is_resetting = false; - return 0; + return; } atomic_set(&qp->qp_status.flags, QP_STOP); @@ -2149,8 +2149,6 @@ static int qm_stop_qp_nolock(struct hisi_qp *qp) qp_stop_fail_cb(qp); dev_dbg(dev, "stop queue %u!", qp->qp_id); - - return 0; } /** @@ -2159,15 +2157,11 @@ static int qm_stop_qp_nolock(struct hisi_qp *qp) * * This function is reverse of hisi_qm_start_qp. Return 0 if successful. */ -int hisi_qm_stop_qp(struct hisi_qp *qp) +void hisi_qm_stop_qp(struct hisi_qp *qp) { - int ret; - down_write(&qp->qm->qps_lock); - ret = qm_stop_qp_nolock(qp); + qm_stop_qp_nolock(qp); up_write(&qp->qm->qps_lock); - - return ret; } EXPORT_SYMBOL_GPL(hisi_qm_stop_qp); @@ -3109,25 +3103,18 @@ static int qm_restart(struct hisi_qm *qm) } /* Stop started qps in reset flow */ -static int qm_stop_started_qp(struct hisi_qm *qm) +static void qm_stop_started_qp(struct hisi_qm *qm) { - struct device *dev = &qm->pdev->dev; struct hisi_qp *qp; - int i, ret; + int i; for (i = 0; i < qm->qp_num; i++) { qp = &qm->qp_array[i]; - if (qp && atomic_read(&qp->qp_status.flags) == QP_START) { + if (atomic_read(&qp->qp_status.flags) == QP_START) { qp->is_resetting = true; - ret = qm_stop_qp_nolock(qp); - if (ret < 0) { - dev_err(dev, "Failed to stop qp%d!\n", i); - return ret; - } + qm_stop_qp_nolock(qp); } } - - return 0; } /** @@ -3190,11 +3177,8 @@ int hisi_qm_stop(struct hisi_qm *qm, enum qm_stop_reason r) } } - ret = qm_stop_started_qp(qm); - if (ret < 0) { - dev_err(dev, "Failed to stop started qp!\n"); - goto err_unlock; - } + qm_stop_started_qp(qm); + hisi_qm_set_hw_reset(qm, QM_RESET_STOP_RX_OFFSET); } diff --git a/include/linux/hisi_acc_qm.h b/include/linux/hisi_acc_qm.h index ec5a70ade511..3c755626ca54 100644 --- a/include/linux/hisi_acc_qm.h +++ b/include/linux/hisi_acc_qm.h @@ -539,7 +539,7 @@ void hisi_qm_uninit(struct hisi_qm *qm); int hisi_qm_start(struct hisi_qm *qm); int hisi_qm_stop(struct hisi_qm *qm, enum qm_stop_reason r); int hisi_qm_start_qp(struct hisi_qp *qp, unsigned long arg); -int hisi_qm_stop_qp(struct hisi_qp *qp); +void hisi_qm_stop_qp(struct hisi_qp *qp); int hisi_qp_send(struct hisi_qp *qp, const void *msg); void hisi_qm_debug_init(struct hisi_qm *qm); void hisi_qm_debug_regs_clear(struct hisi_qm *qm); -- 2.33.0