From patchwork Mon Sep 18 13:11:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ilpo_J=C3=A4rvinen?= X-Patchwork-Id: 13389888 X-Patchwork-Delegate: kvalo@adurom.com 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 5D102CD13D2 for ; Mon, 18 Sep 2023 15:48:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229758AbjIRPse (ORCPT ); Mon, 18 Sep 2023 11:48:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39868 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229751AbjIRPsc (ORCPT ); Mon, 18 Sep 2023 11:48:32 -0400 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 93351CFC; Mon, 18 Sep 2023 08:46:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1695051983; x=1726587983; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=s0vQPYCvTArOJ8UKcbPeJ71cltUHLof64ZzmndGbOp4=; b=g2uLs8OADS77SXqB3EuVJrEreMnzHFPTafxvzmdEL/C30iUp3zH7jq1d ABZ3Kgh5gdJWDrpY5cUPNAW0MC6MwehHgL8SJnJWsyivkRwisemiLfzRD JkRNPbicHlrpKkMhHoxPsPyTChaGYZWWo9+635t/DgCn0pxxUem/ScJGT 4SLlJpWs3qxKi0/KMeTdVUlZ787kIuyPnPSg8tREZhknRBZJx+ocIwy8D LwpMktM8zntgHLuDzWer72KmurJ5RX9+isF15HXWJoMsVjFIyeFEABBjp SRMTXuInJSNLU6fsVFUgEno8xmvLj+zQAa0qNs2pEZq25iAy6AzZxGniE Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10837"; a="446113610" X-IronPort-AV: E=Sophos;i="6.02,156,1688454000"; d="scan'208";a="446113610" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Sep 2023 06:13:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10837"; a="811343017" X-IronPort-AV: E=Sophos;i="6.02,156,1688454000"; d="scan'208";a="811343017" Received: from nprotaso-mobl1.ccr.corp.intel.com (HELO ijarvine-mobl2.ger.corp.intel.com) ([10.252.49.156]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Sep 2023 06:13:39 -0700 From: =?utf-8?q?Ilpo_J=C3=A4rvinen?= To: linux-pci@vger.kernel.org, Bjorn Helgaas , Lorenzo Pieralisi , Rob Herring , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Lukas Wunner , "Rafael J . Wysocki" , Heiner Kallweit , Emmanuel Grumbach , linux-kernel@vger.kernel.org, Kalle Valo , Jeff Johnson , ath12k@lists.infradead.org, linux-wireless@vger.kernel.org Cc: ath10k@lists.infradead.org, ath11k@lists.infradead.org, intel-wired-lan@lists.osuosl.org, linux-arm-kernel@lists.infradead.org, linux-bluetooth@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, =?utf-8?q?Ilpo_J=C3=A4r?= =?utf-8?q?vinen?= Subject: [PATCH v2 11/13] wifi: ath12k: Use pci_disable/enable_link_state() Date: Mon, 18 Sep 2023 16:11:01 +0300 Message-Id: <20230918131103.24119-12-ilpo.jarvinen@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230918131103.24119-1-ilpo.jarvinen@linux.intel.com> References: <20230918131103.24119-1-ilpo.jarvinen@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org ath12k driver adjusts ASPM state itself which leaves ASPM service driver in PCI core unaware of the link state changes the driver implemented. Call pci_disable_link_state() and pci_enable_link_state() instead of adjusting ASPMC field in LNKCTL directly in the driver and let PCI core handle the ASPM state management. Signed-off-by: Ilpo Järvinen Acked-by: Kalle Valo --- drivers/net/wireless/ath/ath12k/pci.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/pci.c b/drivers/net/wireless/ath/ath12k/pci.c index fae5dfd6e9d7..9401f62476be 100644 --- a/drivers/net/wireless/ath/ath12k/pci.c +++ b/drivers/net/wireless/ath/ath12k/pci.c @@ -794,19 +794,15 @@ static void ath12k_pci_aspm_disable(struct ath12k_pci *ab_pci) u16_get_bits(ab_pci->link_ctl, PCI_EXP_LNKCTL_ASPM_L1)); /* disable L0s and L1 */ - pcie_capability_clear_word(ab_pci->pdev, PCI_EXP_LNKCTL, - PCI_EXP_LNKCTL_ASPMC); - + pci_disable_link_state(ab_pci->pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1); set_bit(ATH12K_PCI_ASPM_RESTORE, &ab_pci->flags); } static void ath12k_pci_aspm_restore(struct ath12k_pci *ab_pci) { if (test_and_clear_bit(ATH12K_PCI_ASPM_RESTORE, &ab_pci->flags)) - pcie_capability_clear_and_set_word(ab_pci->pdev, PCI_EXP_LNKCTL, - PCI_EXP_LNKCTL_ASPMC, - ab_pci->link_ctl & - PCI_EXP_LNKCTL_ASPMC); + pci_enable_link_state(ab_pci->pdev, ab_pci->link_ctl & + (PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1)); } static void ath12k_pci_kill_tasklets(struct ath12k_base *ab)