From patchwork Sun Dec 8 14:40:31 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Hesselbarth X-Patchwork-Id: 3306931 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 9623CC0D4A for ; Sun, 8 Dec 2013 14:44:24 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 08EF6202F2 for ; Sun, 8 Dec 2013 14:44:20 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 05469202F8 for ; Sun, 8 Dec 2013 14:44:19 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VpfYw-0006da-NR; Sun, 08 Dec 2013 14:42:28 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VpfYO-0003Nz-5e; Sun, 08 Dec 2013 14:41:52 +0000 Received: from mail-ee0-x233.google.com ([2a00:1450:4013:c00::233]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VpfXZ-0003HM-K1 for linux-arm-kernel@lists.infradead.org; Sun, 08 Dec 2013 14:41:05 +0000 Received: by mail-ee0-f51.google.com with SMTP id b15so1095615eek.38 for ; Sun, 08 Dec 2013 06:40:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=fxI2a7+Axqj1oQFK2eRtqBa3MOevz0MUQs1zZKG9K/0=; b=SeOYJq9ZLGok2tA3uiNUfHf0jGXr2xM3RwjGbwGUOBvQ0GK4pC4EC7XtbBBQ/u8gMQ o57e9P94dWRRICvvmTeHdMMwyg1gWJip/pFuJOpMqRk8lc1AQlsLEHAXfFszB7SGotjA SuhVUpnm0/769dNntH/7L5scox54oFFv8OXNQyp5T1tODpAAk3Xi86Viit8j51Zd+Zix A4tLbqYciOh6SIkC1oHe/UmK9fIsFSkm4A2yC2rMakS7w/1kJXcblAOS9jDCE9R+M0rw dzggmKa4DO94RY346aHXqAQokScJnZYpd8BkpNaPQnt/dsHekgXBZneCgqUr8UZJu4SF lPuA== X-Received: by 10.15.91.3 with SMTP id r3mr9477962eez.18.1386513639925; Sun, 08 Dec 2013 06:40:39 -0800 (PST) Received: from topkick.lan (dslc-082-083-251-183.pools.arcor-ip.net. [82.83.251.183]) by mx.google.com with ESMTPSA id 44sm17915327eek.5.2013.12.08.06.40.38 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 08 Dec 2013 06:40:39 -0800 (PST) From: Sebastian Hesselbarth To: Sebastian Hesselbarth Subject: [PATCH v1 6/6] net: phy: suspend phydev when going to HALTED Date: Sun, 8 Dec 2013 15:40:31 +0100 Message-Id: <1386513631-11284-7-git-send-email-sebastian.hesselbarth@gmail.com> In-Reply-To: <1386513631-11284-1-git-send-email-sebastian.hesselbarth@gmail.com> References: <1386171888-28190-1-git-send-email-sebastian.hesselbarth@gmail.com> <1386513631-11284-1-git-send-email-sebastian.hesselbarth@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20131208_094101_811851_16A7F852 X-CRM114-Status: GOOD ( 12.61 ) X-Spam-Score: -2.0 (--) Cc: Mugunthan V N , Florian Fainelli , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, David Miller , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP When phydev is going to HALTED state, we can try to suspend it to safe more power. phy_suspend helper will check if PHY can be suspended, so just call it when entering HALTED state. Signed-off-by: Sebastian Hesselbarth Acked-by: Mugunthan V N Reviewed-by: Florian Fainelli --- Cc: David Miller Cc: Florian Fainelli Cc: Mugunthan V N Cc: netdev@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- drivers/net/phy/phy.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 36c6994..6429942 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -740,7 +740,7 @@ void phy_state_machine(struct work_struct *work) struct delayed_work *dwork = to_delayed_work(work); struct phy_device *phydev = container_of(dwork, struct phy_device, state_queue); - int needs_aneg = 0; + int needs_aneg = 0, do_suspend = 0; int err = 0; mutex_lock(&phydev->lock); @@ -855,6 +855,7 @@ void phy_state_machine(struct work_struct *work) phydev->link = 0; netif_carrier_off(phydev->attached_dev); phydev->adjust_link(phydev->attached_dev); + do_suspend = 1; } break; case PHY_RESUMING: @@ -913,6 +914,9 @@ void phy_state_machine(struct work_struct *work) if (needs_aneg) err = phy_start_aneg(phydev); + if (do_suspend) + phy_suspend(phydev); + if (err < 0) phy_error(phydev);