From patchwork Fri Oct 12 09:30:01 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Govind Singh X-Patchwork-Id: 10638157 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 89896112B for ; Fri, 12 Oct 2018 09:30:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 799B92BC46 for ; Fri, 12 Oct 2018 09:30:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6E1DE2BC48; Fri, 12 Oct 2018 09:30:20 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 135FF2BC46 for ; Fri, 12 Oct 2018 09:30:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728150AbeJLRBu (ORCPT ); Fri, 12 Oct 2018 13:01:50 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:39112 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728027AbeJLRBu (ORCPT ); Fri, 12 Oct 2018 13:01:50 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 534AD60791; Fri, 12 Oct 2018 09:30:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1539336618; bh=t4o8aIhjNKhMTUxAQDDUdPaiPLiYBeoDM3xZLARpmVU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kamGsxsDbOtIg8CDIMwLhT54bn2Q+nIIBj125q2+HBbzUoJo3PjAecJzMkt35vs37 6X7tfYx6Xe4gPg1KA84FA0jNdJczJoI/hm9IdXDEJv2ZvH+0aKDpoRs3y8D55Z6fL1 HXu9bS6HLLz3UlAhK4b1A4iqgNYNMgfPWH/ScJRc= Received: from govinds-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: govinds@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 843F16063F; Fri, 12 Oct 2018 09:30:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1539336617; bh=t4o8aIhjNKhMTUxAQDDUdPaiPLiYBeoDM3xZLARpmVU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UMj5BcBAkx3JAupsQyJfmIGQswiWHcKAXUcwausJBc/AXQjn2kB71xiT2Q3D8VDfJ O2ZyWaD6k0pBrnU/pVkU2A/2IXgwF3DTg4TtPC5qD1tSF9iJtycUgqN/R7R2WeFJ7Q kJpcewWQ3X5g1mNc3NxXgRj33zUtLejoi9u1BmGw= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 843F16063F Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=govinds@codeaurora.org From: Govind Singh To: ath10k@lists.infradead.org Cc: linux-wireless@vger.kernel.org, Govind Singh Subject: [PATCH 1/3] ath10k: Enable bus layer suspend/resume for WCN3990 Date: Fri, 12 Oct 2018 15:00:01 +0530 Message-Id: <20181012093003.11932-2-govinds@codeaurora.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181012093003.11932-1-govinds@codeaurora.org> References: <20181012093003.11932-1-govinds@codeaurora.org> MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Register snoc bus layer suspend/resume PM ops and configure the wakeup source(CE2) for the device. Testing: Tested on WCN3990 HW. Tested FW: WLAN.HL.2.0-01192-QCAHLSWMTPLZ-1. Signed-off-by: Govind Singh --- drivers/net/wireless/ath/ath10k/snoc.c | 45 ++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c index bdef3d00f3f4..6da951eea345 100644 --- a/drivers/net/wireless/ath/ath10k/snoc.c +++ b/drivers/net/wireless/ath/ath10k/snoc.c @@ -30,6 +30,7 @@ #define ATH10K_SNOC_RX_POST_RETRY_MS 50 #define CE_POLL_PIPE 4 +#define ATH10K_SNOC_WAKE_IRQ 2 static char *const ce_name[] = { "WLAN_CE_0", @@ -1025,6 +1026,46 @@ static int ath10k_snoc_hif_power_up(struct ath10k *ar) return ret; } +#ifdef CONFIG_PM +static int ath10k_snoc_hif_suspend(struct ath10k *ar) +{ + struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); + int ret; + + if (!device_may_wakeup(ar->dev)) + return -EPERM; + + ret = enable_irq_wake(ar_snoc->ce_irqs[ATH10K_SNOC_WAKE_IRQ].irq_line); + if (ret) { + ath10k_err(ar, "failed to enable wakeup irq\n"); + return ret; + } + + ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc device suspended\n"); + + return ret; +} + +static int ath10k_snoc_hif_resume(struct ath10k *ar) +{ + struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); + int ret; + + if (!device_may_wakeup(ar->dev)) + return -EPERM; + + ret = disable_irq_wake(ar_snoc->ce_irqs[ATH10K_SNOC_WAKE_IRQ].irq_line); + if (ret) { + ath10k_err(ar, "failed to disable wakeup irq\n"); + return ret; + } + + ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc device resumed\n"); + + return ret; +} +#endif + static const struct ath10k_hif_ops ath10k_snoc_hif_ops = { .read32 = ath10k_snoc_read32, .write32 = ath10k_snoc_write32, @@ -1038,6 +1079,10 @@ static const struct ath10k_hif_ops ath10k_snoc_hif_ops = { .send_complete_check = ath10k_snoc_hif_send_complete_check, .get_free_queue_number = ath10k_snoc_hif_get_free_queue_number, .get_target_info = ath10k_snoc_hif_get_target_info, +#ifdef CONFIG_PM + .suspend = ath10k_snoc_hif_suspend, + .resume = ath10k_snoc_hif_resume, +#endif }; static const struct ath10k_bus_ops ath10k_snoc_bus_ops = {