From mboxrd@z Thu Jan 1 00:00:00 1970 From: Caesar Wang Subject: [PATCH v4 3/6] net: stmmac: dwmac-rk: add pd_gmac support for rk3399 Date: Fri, 2 Sep 2016 01:50:01 +0800 Message-ID: <1472752204-8924-4-git-send-email-wxt@rock-chips.com> References: <1472752204-8924-1-git-send-email-wxt@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Brian Norris , Alexandre Torgue , netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dbasehore-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, Douglas Anderson , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, David Wu , Giuseppe Cavallaro , Caesar Wang To: Heiko Stuebner , "David S. Miller" Return-path: In-Reply-To: <1472752204-8924-1-git-send-email-wxt-TNX95d0MmH7DzftRWevZcw@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+glpar-linux-rockchip=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: netdev.vger.kernel.org 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 --- Changes in v4: None Changes in v3: None Changes in v2: - fixes the build error on next kernel. 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 e2ba6c4..3740a44 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" @@ -883,11 +884,19 @@ 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