From patchwork Fri Feb 4 10:25:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Coelho X-Patchwork-Id: 540560 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E1EEAC433F5 for ; Fri, 4 Feb 2022 10:25:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235551AbiBDKZX (ORCPT ); Fri, 4 Feb 2022 05:25:23 -0500 Received: from paleale.coelho.fi ([176.9.41.70]:37964 "EHLO farmhouse.coelho.fi" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1357055AbiBDKZW (ORCPT ); Fri, 4 Feb 2022 05:25:22 -0500 Received: from 91-156-4-210.elisa-laajakaista.fi ([91.156.4.210] helo=kveik.lan) by farmhouse.coelho.fi with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1nFvmK-0005zM-IP; Fri, 04 Feb 2022 12:25:21 +0200 From: Luca Coelho To: kvalo@kernel.org Cc: luca@coelho.fi, linux-wireless@vger.kernel.org Date: Fri, 4 Feb 2022 12:25:05 +0200 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220204102511.606112-1-luca@coelho.fi> References: <20220204102511.606112-1-luca@coelho.fi> MIME-Version: 1.0 Subject: [PATCH 06/12] iwlwifi: pcie: Adapt rx queue write pointer for Bz family Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Matti Gottlieb Adapt rx queue write pointer for Bz family. The register has moved to the same one as Tx. Signed-off-by: Matti Gottlieb Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/iwl-csr.h | 3 +++ drivers/net/wireless/intel/iwlwifi/pcie/rx.c | 9 ++++++--- 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h index f90d4662c164..c0a18e820b51 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h @@ -533,6 +533,9 @@ enum { * 11-8: queue selector */ #define HBUS_TARG_WRPTR (HBUS_BASE+0x060) +/* This register is common for Tx and Rx, Rx queues start from 512 */ +#define HBUS_TARG_WRPTR_Q_SHIFT (16) +#define HBUS_TARG_WRPTR_RX_Q(q) (((q) + 512) << HBUS_TARG_WRPTR_Q_SHIFT) /********************************************************** * CSR values diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c index 331c1a059183..71db571a42e0 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c @@ -190,11 +190,14 @@ static void iwl_pcie_rxq_inc_wr_ptr(struct iwl_trans *trans, } rxq->write_actual = round_down(rxq->write, 8); - if (trans->trans_cfg->mq_rx_supported) + if (!trans->trans_cfg->mq_rx_supported) + iwl_write32(trans, FH_RSCSR_CHNL0_WPTR, rxq->write_actual); + else if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) + iwl_write32(trans, HBUS_TARG_WRPTR, rxq->write_actual | + HBUS_TARG_WRPTR_RX_Q(rxq->id)); + else iwl_write32(trans, RFH_Q_FRBDCB_WIDX_TRG(rxq->id), rxq->write_actual); - else - iwl_write32(trans, FH_RSCSR_CHNL0_WPTR, rxq->write_actual); } static void iwl_pcie_rxq_check_wrptr(struct iwl_trans *trans)