From patchwork Thu Dec 23 01:14:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Mosberger-Tang X-Patchwork-Id: 527668 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 36EE5C433EF for ; Thu, 23 Dec 2021 01:16:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346100AbhLWBQn (ORCPT ); Wed, 22 Dec 2021 20:16:43 -0500 Received: from o1.ptr2625.egauge.net ([167.89.112.53]:18428 "EHLO o1.ptr2625.egauge.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345807AbhLWBOV (ORCPT ); Wed, 22 Dec 2021 20:14:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=egauge.net; h=from:subject:in-reply-to:references:mime-version:to:cc: content-transfer-encoding:content-type; s=sgd; bh=9GhperGdLp5mSs2oGPGWX3vVh6QZlgVmNWU2J8h4eJY=; b=LDUXjoktAgidrqd0DknbCqj+Cq40xD+T0dA+omHvM5a/4tAsOr8lu85ZnBVyl117D4T1 FF/7RavN0zfbhSOk65PFCRePblFoKBm7YovjdXl36Irqi5OE0cZerC77CMMg778yvMHGOA 4LQvwb8c/Sa5XuP3gfzg0bWBOzGIC4GeFNSiViaBFUloEd1urrYLDtOBRa8VKL3ZJjDrPe HBXWnwHuUWJxbf9WKQZS2ZbRYEtdF9hZLmGCSMNC9oNE7TvGuLp41zLzEMZkmjB3UaN17Q vAIQJ6EZkyay17ZVb9Lr0l2llKMvaffc9QCNvyD8Ah15pv21Nq8rtulondgJF2Nw== Received: by filterdrecv-656998cfdd-vtnvg with SMTP id filterdrecv-656998cfdd-vtnvg-1-61C3CD5E-1E 2021-12-23 01:14:06.716473164 +0000 UTC m=+7955207.766253174 Received: from pearl.egauge.net (unknown) by geopod-ismtpd-4-0 (SG) with ESMTP id FZOMOdXcTZSqSpHTHFO7eA Thu, 23 Dec 2021 01:14:06.545 +0000 (UTC) Received: by pearl.egauge.net (Postfix, from userid 1000) id 3DED070133A; Wed, 22 Dec 2021 18:14:05 -0700 (MST) From: David Mosberger-Tang Subject: [PATCH v2 19/50] wilc1000: don't tell the chip to go to sleep while copying tx packets Date: Thu, 23 Dec 2021 01:14:06 +0000 (UTC) Message-Id: <20211223011358.4031459-20-davidm@egauge.net> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211223011358.4031459-1-davidm@egauge.net> References: <20211223011358.4031459-1-davidm@egauge.net> MIME-Version: 1.0 X-SG-EID: +kMxBqj35EdRUKoy8diX1j4AXmPtd302oan+iXZuF8m2Nw4HRW2irNspffT/khET6RJF6+Prbl0h/EtF1rRLvP9gs2xqRpyIBtGYRlDavY3uO9Y96GusEhphEvR8U2Or9IV1GN9AtCEUroMXcil4bWWz0vBANOAMeohSevp9gTXvyUMIATv1RdH+nd5xkzLSLN5y/X21psbKKk3gVo1z303Rgz0VCC8csbnJLJ1naS/JqTtOjlf/Hx6B4/fN31hgfZiFTADVolu+57qdFW5PxQ== To: Ajay Singh Cc: Claudiu Beznea , Kalle Valo , "David S. Miller" , Jakub Kicinski , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, David Mosberger-Tang X-Entity-ID: Xg4JGAcGrJFIz2kDG9eoaQ== Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Putting the chip to sleep and waking it up again is relatively slow, so there is no point to put the chip to sleep for the short time it takes to copy a couple of packets. Signed-off-by: David Mosberger-Tang --- .../net/wireless/microchip/wilc1000/wlan.c | 24 +++++++++---------- 1 file changed, 11 insertions(+), 13 deletions(-) diff --git a/drivers/net/wireless/microchip/wilc1000/wlan.c b/drivers/net/wireless/microchip/wilc1000/wlan.c index 54dfb2b9f3524..a6064a85140b4 100644 --- a/drivers/net/wireless/microchip/wilc1000/wlan.c +++ b/drivers/net/wireless/microchip/wilc1000/wlan.c @@ -924,29 +924,27 @@ int wilc_wlan_handle_txq(struct wilc *wilc, u32 *txq_count) acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); ret = send_vmm_table(wilc, i, vmm_table); + if (ret <= 0) { + if (ret == 0) + /* No VMM space available in firmware. Inform + * caller to retry later. + */ + ret = WILC_VMM_ENTRY_FULL_RETRY; + goto out_release_bus; + } - release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); - - if (ret < 0) - goto out_unlock; + release_bus(wilc, WILC_BUS_RELEASE_ONLY); entries = ret; - if (entries == 0) { - /* No VMM space available in firmware. Inform caller - * to retry later. - */ - ret = WILC_VMM_ENTRY_FULL_RETRY; - goto out_unlock; - } - len = copy_packets(wilc, entries, vmm_table, vmm_entries_ac); if (len <= 0) goto out_unlock; - acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP); + acquire_bus(wilc, WILC_BUS_ACQUIRE_ONLY); ret = send_packets(wilc, len); +out_release_bus: release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); out_unlock: