From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCHv2] clk: ti: omap3+: dpll: use non-locking version of clk_get_rate Date: Mon, 22 Feb 2016 08:52:53 -0800 Message-ID: <20160222165252.GF13417@atomide.com> References: <1455966777-30576-1-git-send-email-t-kristo@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1455966777-30576-1-git-send-email-t-kristo@ti.com> Sender: linux-clk-owner@vger.kernel.org To: Tero Kristo Cc: mturquette@baylibre.com, sboyd@codeaurora.org, linux-clk@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: linux-omap@vger.kernel.org * Tero Kristo [160220 03:12]: > As the code in this file is being executed within irq context in some > cases, we must avoid the clk_get_rate which uses mutex internally. > Switch the code to use clk_hw_get_rate instead which is non-locking. > > This fixes an issue where PM runtime will hang the system if enabled > with a serial console before a suspend-resume cycle. Can you please add the "Fixes: " line here? And when applying, please tag this one Cc stable. Other than that, please feel free to add: Tested-by: Tony Lindgren Regards, Tony