From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Stuebner Subject: Re: [PATCH] arm64: dts: rockchip: add gmac needed clk for rk3399 pd Date: Mon, 14 Nov 2016 15:42:34 +0100 Message-ID: <15590097.XDc0ARC38n@phil> References: <1479098199-20170-1-git-send-email-wxt@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <1479098199-20170-1-git-send-email-wxt@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org To: Caesar Wang Cc: dianders@chromium.org, linux-arm-kernel@lists.infradead.org, zhangqing@rock-chips.com, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Jeffy Chen List-Id: linux-rockchip.vger.kernel.org Am Montag, 14. November 2016, 12:36:39 CET schrieb Caesar Wang: > From: Jeffy Chen > > This patch fixes that sometimes hang at start-up time of the system. > As the below log: > ... > [ 11.136543] calling pm_genpd_debug_init+0x0/0x60 @ 1 > [ 11.141602] initcall pm_genpd_debug_init+0x0/0x60 returned 0 after 11 > usecs [ 11.148558] calling genpd_poweroff_unused+0x0/0x84 @ 1 > > > In some cases, the rk3399 should turn off the gmac power domain to save > power if some boards didn't register the gmac device node for rk3399. > Then, rk3399 need to make sure the gmac's pclk enabled if we need > operate the gmac power domain. (Due to the NOC had enabled always) > > Signed-off-by: Jeffy Chen > Signed-off-by: Caesar Wang applied to my dts64 branch Thanks Heiko