From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 37A501EA8D; Mon, 12 Aug 2024 16:13:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723479189; cv=none; b=CGSqvn/wiKHIUnLM6yWyORMJbfVn4EW2YzZTBQXh7DMy4VRLylxzlib0zM1XXugqGV8b9i2q2ibkiBUwylO246HPResiBu+qXV+WzVBKSnU3i9G97DYM1mYJtreJ61+yLBR0XwjWwbOHmJ1iS5o4A4fJ26+yTqK+l+OYH6zI5Ng= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723479189; c=relaxed/simple; bh=HUfCjQFzlaEjX4dkDow1sM0TJFTp7QwCGUOB0dGQwLg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=SCDRDWgojHddP+2VtpwhgOAOV0MVB5lRewAPaUURcBLvruK79pj9iw7MEsFRLd9XBAfni+5EV22qXP8e27lFMhIVYUD7yxNPNdmne0CEL5qVvjNMy731IL9U1R0q7ih5FDG+7GuzkFRdO22inSR+nuU4q2mnEWCgEtD3ZusQU9U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Bgk65a/t; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Bgk65a/t" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 87599C4AF0D; Mon, 12 Aug 2024 16:13:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1723479189; bh=HUfCjQFzlaEjX4dkDow1sM0TJFTp7QwCGUOB0dGQwLg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Bgk65a/taApuBAtTyKcHEMA4h27Rctqz/2KoJNiK2w8ybtiqqXxqUBNRVdybJWMwV RDJFwwQWIfhcpHJc8s5Qpm7zk8WGgbeuuRN+buHxb7OTYnTYRwEvcP+5cILk7Byi1d SXXAIddwATO/vBKf7VXwaEXasA2JLAL4YzfJGhGc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Kang Yang , Jeff Johnson , Kalle Valo , Sasha Levin Subject: [PATCH 6.6 010/189] wifi: ath12k: add CE and ext IRQ flag to indicate irq_handler Date: Mon, 12 Aug 2024 18:01:06 +0200 Message-ID: <20240812160132.537190084@linuxfoundation.org> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240812160132.135168257@linuxfoundation.org> References: <20240812160132.135168257@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Kang Yang [ Upstream commit 604308a34487eaa382c50fcdb4396c435030b4fa ] Add two flags to indicate whether IRQ handler for CE and DP can be called. This is because in one MSI vector case, interrupt is not disabled in hif_stop and hif_irq_disable. So if interrupt is disabled, MHI interrupt is disabled too. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4 Signed-off-by: Kang Yang Acked-by: Jeff Johnson Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20231121021304.12966-3-quic_kangyang@quicinc.com Stable-dep-of: a47f3320bb4b ("wifi: ath12k: fix soft lockup on suspend") Signed-off-by: Sasha Levin --- drivers/net/wireless/ath/ath12k/core.h | 2 ++ drivers/net/wireless/ath/ath12k/pci.c | 16 ++++++++++++++++ 2 files changed, 18 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index c926952c956ef..33f4706af880d 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -181,6 +181,8 @@ enum ath12k_dev_flags { ATH12K_FLAG_REGISTERED, ATH12K_FLAG_QMI_FAIL, ATH12K_FLAG_HTC_SUSPEND_COMPLETE, + ATH12K_FLAG_CE_IRQ_ENABLED, + ATH12K_FLAG_EXT_IRQ_ENABLED, }; enum ath12k_monitor_flags { diff --git a/drivers/net/wireless/ath/ath12k/pci.c b/drivers/net/wireless/ath/ath12k/pci.c index a6a5f9bcffbd6..f27b93c20a349 100644 --- a/drivers/net/wireless/ath/ath12k/pci.c +++ b/drivers/net/wireless/ath/ath12k/pci.c @@ -373,6 +373,8 @@ static void ath12k_pci_ce_irqs_disable(struct ath12k_base *ab) { int i; + clear_bit(ATH12K_FLAG_CE_IRQ_ENABLED, &ab->dev_flags); + for (i = 0; i < ab->hw_params->ce_count; i++) { if (ath12k_ce_get_attr_flags(ab, i) & CE_ATTR_DIS_INTR) continue; @@ -406,6 +408,10 @@ static void ath12k_pci_ce_tasklet(struct tasklet_struct *t) static irqreturn_t ath12k_pci_ce_interrupt_handler(int irq, void *arg) { struct ath12k_ce_pipe *ce_pipe = arg; + struct ath12k_base *ab = ce_pipe->ab; + + if (!test_bit(ATH12K_FLAG_CE_IRQ_ENABLED, &ab->dev_flags)) + return IRQ_HANDLED; /* last interrupt received for this CE */ ce_pipe->timestamp = jiffies; @@ -428,6 +434,8 @@ static void __ath12k_pci_ext_irq_disable(struct ath12k_base *ab) { int i; + clear_bit(ATH12K_FLAG_EXT_IRQ_ENABLED, &ab->dev_flags); + for (i = 0; i < ATH12K_EXT_IRQ_GRP_NUM_MAX; i++) { struct ath12k_ext_irq_grp *irq_grp = &ab->ext_irq_grp[i]; @@ -483,6 +491,10 @@ static int ath12k_pci_ext_grp_napi_poll(struct napi_struct *napi, int budget) static irqreturn_t ath12k_pci_ext_interrupt_handler(int irq, void *arg) { struct ath12k_ext_irq_grp *irq_grp = arg; + struct ath12k_base *ab = irq_grp->ab; + + if (!test_bit(ATH12K_FLAG_EXT_IRQ_ENABLED, &ab->dev_flags)) + return IRQ_HANDLED; ath12k_dbg(irq_grp->ab, ATH12K_DBG_PCI, "ext irq:%d\n", irq); @@ -626,6 +638,8 @@ static void ath12k_pci_ce_irqs_enable(struct ath12k_base *ab) { int i; + set_bit(ATH12K_FLAG_CE_IRQ_ENABLED, &ab->dev_flags); + for (i = 0; i < ab->hw_params->ce_count; i++) { if (ath12k_ce_get_attr_flags(ab, i) & CE_ATTR_DIS_INTR) continue; @@ -956,6 +970,8 @@ void ath12k_pci_ext_irq_enable(struct ath12k_base *ab) { int i; + set_bit(ATH12K_FLAG_EXT_IRQ_ENABLED, &ab->dev_flags); + for (i = 0; i < ATH12K_EXT_IRQ_GRP_NUM_MAX; i++) { struct ath12k_ext_irq_grp *irq_grp = &ab->ext_irq_grp[i]; -- 2.43.0