From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Heiko =?ISO-8859-1?Q?St=FCbner?= To: Chris Zhong Cc: dianders@chromium.org, Michael Turquette , Stephen Boyd , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4] clk: rockchip: switch PLLs to slow mode before reboot for rk3288 Date: Tue, 01 Dec 2015 19:25:24 +0100 Message-ID: <1477792.D13Osl928x@diego> In-Reply-To: <1448590170-23776-1-git-send-email-zyw@rock-chips.com> References: <1448590170-23776-1-git-send-email-zyw@rock-chips.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" List-ID: Am Freitag, 27. November 2015, 10:09:30 schrieb Chris Zhong: > We've been seeing some crashes at reboot test on rk3288-based systems, > which boards have not reset pin connected to NPOR, they reboot by > setting 0xfdb9 to RK3288_GLB_SRST_FST register. If the APLL works in > a high frequency mode, some IPs might hang during soft reset. > It appears that we can fix the problem by switching to slow mode before > reboot, just like what we did before suspend. > > Signed-off-by: Chris Zhong > Reviewed-by: Heiko Stuebner applied to my clock branch for 4.5 Thanks Heiko