On Fri, Mar 16, 2018 at 11:25 PM, Sinan Kaya <okaya@xxxxxxxxxxxxxx> wrote: > @@ -477,15 +477,16 @@ static inline void t4_ring_sq_db(struct t4_wq *wq, u16 inc, union t4_wr *wqe) > (u64 *)wqe); > } else { > pr_debug("DB wq->sq.pidx = %d\n", wq->sq.pidx); > - writel(PIDX_T5_V(inc) | QID_V(wq->sq.bar2_qid), > - wq->sq.bar2_va + SGE_UDB_KDOORBELL); > + __raw_writel(PIDX_T5_V(inc) | QID_V(wq->sq.bar2_qid), I think Jason might be right that drivers shouldn't be calling the __raw_write functions. You definitely need to run this by the PPC developers, specifically Ben Herrenschmidt. -- Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project. -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html