From mboxrd@z Thu Jan 1 00:00:00 1970 From: Caesar Wang Subject: [RESEND PATCH 2/4] net: stmmac: dwmac-rk: add pd_gmac support for rk3399 Date: Wed, 31 Aug 2016 14:13:46 +0800 Message-ID: <1472624028-7082-3-git-send-email-wxt@rock-chips.com> References: <1472624028-7082-1-git-send-email-wxt@rock-chips.com> Cc: linux-rockchip@lists.infradead.org, Brian Norris , Douglas Anderson , dbasehore@chromium.org, David Wu , Caesar Wang , Giuseppe Cavallaro , Alexandre Torgue , linux-kernel@vger.kernel.org To: Heiko Stuebner , netdev@vger.kernel.org Return-path: Received: from mail-pf0-f195.google.com ([209.85.192.195]:33276 "EHLO mail-pf0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752245AbcHaGO3 (ORCPT ); Wed, 31 Aug 2016 02:14:29 -0400 In-Reply-To: <1472624028-7082-1-git-send-email-wxt@rock-chips.com> Sender: netdev-owner@vger.kernel.org List-ID: From: David Wu Add the gmac power domain support for rk3399, in order to save more power consumption. Signed-off-by: David Wu Signed-off-by: Caesar Wang --- drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c index 289e7a6..406573d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c @@ -30,6 +30,7 @@ #include #include #include +#include #include "stmmac_platform.h" @@ -659,11 +660,19 @@ static int rk_gmac_powerup(struct rk_priv_data *bsp_priv) if (ret) return ret; + pm_runtime_enable(dev); + pm_runtime_get_sync(dev); + return 0; } static void rk_gmac_powerdown(struct rk_priv_data *gmac) { + struct device *dev = &gmac->pdev->dev; + + pm_runtime_put_sync(dev); + pm_runtime_disable(dev); + phy_power_on(gmac, false); gmac_clk_enable(gmac, false); } -- 1.9.1