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From: Stephen Boyd <sboyd@kernel.org>
To: Jeffrey Hugo <jhugo@codeaurora.org>,
	Michael Turquette <mturquette@baylibre.com>
Cc: linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
	Miquel Raynal <miquel.raynal@bootlin.com>,
	Jerome Brunet <jbrunet@baylibre.com>,
	Russell King <linux@armlinux.org.uk>,
	Chen-Yu Tsai <wens@csie.org>, Rob Herring <robh@kernel.org>
Subject: Re: [PATCH v3 3/7] clk: Add of_clk_hw_register() API for early clk drivers
Date: Wed, 10 Apr 2019 09:49:28 -0700	[thread overview]
Message-ID: <155491496818.20095.15093722814125773505@swboyd.mtv.corp.google.com> (raw)
In-Reply-To: <f989942c-89fc-76cf-af1b-2ac352d6e60c@codeaurora.org>

Quoting Jeffrey Hugo (2019-04-08 14:46:11)
> On 4/4/2019 3:53 PM, Stephen Boyd wrote:
> > In some circumstances drivers register clks early and don't have access
> > to a struct device because the device model isn't initialized yet. Add
> > an API to let drivers register clks associated with a struct device_node
> > so that these drivers can participate in getting parent clks through DT.
> 
> NACK.  This patch broke boot for me.  I had to pull the below from JTAG. 

No early printk support on this board? Sadness.

>   What do you need to debug this?
> 

Hopefully nothing.

> [    0.000000] Unable to handle kernel read from unreadable memory at 
> virtual address 0000000000000280

I guess you pass NULL as dev to clk_hw_register(). Will fix! Thanks for
testing.

> [    0.000000] Mem abort info:

  reply	other threads:[~2019-04-10 16:49 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-04 21:53 [PATCH v3 0/7] Rewrite clk parent handling Stephen Boyd
2019-04-04 21:53 ` [PATCH v3 1/7] clkdev: Hold clocks_mutex while iterating clocks list Stephen Boyd
2019-04-05  6:51   ` Vaittinen, Matti
2019-04-05 20:37     ` Stephen Boyd
2019-04-08 10:49       ` Matti Vaittinen
2019-04-08 17:00         ` Stephen Boyd
2019-04-08 22:21           ` Russell King - ARM Linux admin
2019-04-09  5:31             ` Vaittinen, Matti
2019-04-09  8:57               ` Russell King - ARM Linux admin
2019-04-10 16:45                 ` Stephen Boyd
2019-04-04 21:53 ` [PATCH v3 2/7] clk: Prepare for clk registration API that uses DT nodes Stephen Boyd
2019-04-04 21:53 ` [PATCH v3 3/7] clk: Add of_clk_hw_register() API for early clk drivers Stephen Boyd
2019-04-08 21:46   ` Jeffrey Hugo
2019-04-10 16:49     ` Stephen Boyd [this message]
2019-04-10 16:53     ` Stephen Boyd
2019-04-10 19:39       ` Jeffrey Hugo
2019-04-10 21:45         ` Stephen Boyd
2019-04-10 22:18           ` Jeffrey Hugo
2019-04-11 17:32             ` Jeffrey Hugo
2019-04-04 21:53 ` [PATCH v3 4/7] clk: Allow parents to be specified without string names Stephen Boyd
2019-04-04 21:53 ` [PATCH v3 5/7] clk: Look for parents with clkdev based clk_lookups Stephen Boyd
2019-04-04 21:53 ` [PATCH v3 6/7] clk: Allow parents to be specified via clkspec index Stephen Boyd
2019-04-04 21:53 ` [PATCH v3 7/7] clk: fixed-factor: Let clk framework find parent Stephen Boyd

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