From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Rutland Subject: Re: [PATCH v21 03/13] clocksource: arm_arch_timer: remove arch_timer_detect_rate Date: Fri, 17 Mar 2017 18:07:26 +0000 Message-ID: <20170317180725.GC15909@leverpostej> References: <20170206185015.12296-1-fu.wei@linaro.org> <20170206185015.12296-4-fu.wei@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20170206185015.12296-4-fu.wei@linaro.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: fu.wei@linaro.org Cc: linaro-acpi@lists.linaro.org, catalin.marinas@arm.com, will.deacon@arm.com, rruigrok@codeaurora.org, wim@iguana.be, wei@redhat.com, lorenzo.pieralisi@arm.com, al.stone@linaro.org, tn@semihalf.com, timur@codeaurora.org, daniel.lezcano@linaro.org, linux-acpi@vger.kernel.org, linux@roeck-us.net, lenb@kernel.org, harba@codeaurora.org, julien.grall@arm.com, linux-watchdog@vger.kernel.org, arnd@arndb.de, marc.zyngier@arm.com, jcm@redhat.com, cov@codeaurora.org, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, graeme.gregory@linaro.org, rjw@rjwysocki.net, linux-kernel@vger.kernel.org, leo.duran@amd.com, hanjun.guo@linaro.org, Suravee.Suthikulpanit@amd.com, sudeep.holla@arm.com, christoffer.dall@linaro.org List-Id: linux-acpi@vger.kernel.org On Tue, Feb 07, 2017 at 02:50:05AM +0800, fu.wei@linaro.org wrote: > From: Fu Wei > > The original counter frequency detection call(arch_timer_detect_rate) > include getting the frequency from the per-cpu arch-timer and the > memory-mapped (MMIO) timer interfaces. But they will be needed only when > the system initializes the relevant timer. > > This patch remove arch_timer_detect_rate founction, and use the > arch_timer_get_sysreg_freq and arch_timer_get_mmio_freq directly. > > Signed-off-by: Fu Wei Could you please fold this with the prior patch? > @@ -1087,7 +1072,12 @@ static int __init arch_timer_mem_init(struct device_node *np) > */ > if (!arch_timer_rate && > of_property_read_u32(np, "clock-frequency", &arch_timer_rate)) > - arch_timer_detect_rate(base); > + arch_timer_rate = arch_timer_get_mmio_freq(base); > + if (!arch_timer_rate) { > + pr_err(FW_BUG "frequency not available for MMIO timer.\n"); It would be better to say "MMIO frequency not available.\n" here. Thanks, Mark.