From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Zhong Subject: [RESEND PATCH v3 1/2] phy: rockchip-typec: add pm runtime support Date: Wed, 7 Sep 2016 22:57:33 -0700 Message-ID: <1473314253-2646-1-git-send-email-zyw@rock-chips.com> References: <57D0F612.10702@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <57D0F612.10702-l0cyMroinI0@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 To: kishon-l0cyMroinI0@public.gmane.org, groeck-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, wulf-TNX95d0MmH7DzftRWevZcw@public.gmane.org, briannorris-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org, dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, kever.yang-TNX95d0MmH7DzftRWevZcw@public.gmane.org Cc: Chris Zhong , linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: linux-rockchip.vger.kernel.org Adds pm_runtime support for rockchip Type-C, so that power domain is enabled only when there is a transaction going on to help save power. Signed-off-by: Chris Zhong --- Changes in v3: - use phy_core pm_runtime Changes in v2: - add pm_runtime_put_sync in err case drivers/phy/phy-rockchip-typec.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/phy/phy-rockchip-typec.c b/drivers/phy/phy-rockchip-typec.c index fb58a27..7cfb0f8 100644 --- a/drivers/phy/phy-rockchip-typec.c +++ b/drivers/phy/phy-rockchip-typec.c @@ -960,6 +960,8 @@ static int rockchip_typec_phy_probe(struct platform_device *pdev) return PTR_ERR(tcphy->extcon); } + pm_runtime_enable(dev); + for_each_available_child_of_node(np, child_np) { struct phy *phy; @@ -990,6 +992,13 @@ static int rockchip_typec_phy_probe(struct platform_device *pdev) return 0; } +static int rockchip_typec_phy_remove(struct platform_device *pdev) +{ + pm_runtime_disable(&pdev->dev); + + return 0; +} + static const struct of_device_id rockchip_typec_phy_dt_ids[] = { { .compatible = "rockchip,rk3399-typec-phy" }, {} @@ -999,6 +1008,7 @@ MODULE_DEVICE_TABLE(of, rockchip_typec_phy_dt_ids); static struct platform_driver rockchip_typec_phy_driver = { .probe = rockchip_typec_phy_probe, + .remove = rockchip_typec_phy_remove, .driver = { .name = "rockchip-typec-phy", .of_match_table = rockchip_typec_phy_dt_ids, -- 1.9.1