linux-kernel - [PATCH v8 01/14] clk: tegra: provide dummy cpu car ops

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Date:	Fri, 22 Mar 2013 14:39:18 +0200
From:	Peter De Schrijver <pdeschrijver@...dia.com>
To:	Peter De Schrijver <pdeschrijver@...dia.com>
CC:	<linux-arm-kernel@...ts.infradead.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Rob Landley <rob@...dley.net>,
	Stephen Warren <swarren@...dotorg.org>,
	Russell King <linux@....linux.org.uk>,
	Prashant Gaikwad <pgaikwad@...dia.com>,
	Simon Glass <sjg@...omium.org>,
	Rhyland Klein <rklein@...dia.com>,
	Pritesh Raithatha <praithatha@...dia.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Hiroshi Doyu <hdoyu@...dia.com>,
	Laxman Dewangan <ldewangan@...dia.com>,
	Andrew Chew <achew@...dia.com>,
	Mike Turquette <mturquette@...aro.org>,
	Thierry Reding <thierry.reding@...onic-design.de>,
	<devicetree-discuss@...ts.ozlabs.org>, <linux-doc@...r.kernel.org>,
	<linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v8 01/14] clk: tegra: provide dummy cpu car ops

tegra_boot_secondary() relies on some of the car ops. This means having an
uninitialized tegra_cpu_car_ops will lead to an early boot panic.
Providing a dummy struct avoids this and makes adding Tegra114 clock support
in a bisectable way a lot easier.

Signed-off-by: Peter De Schrijver <pdeschrijver@...dia.com>
---
 drivers/clk/tegra/clk.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c
index a603b9a..a6f2fa6 100644
--- a/drivers/clk/tegra/clk.c
+++ b/drivers/clk/tegra/clk.c
@@ -22,7 +22,8 @@
 #include "clk.h"
 
 /* Global data of Tegra CPU CAR ops */
-struct tegra_cpu_car_ops *tegra_cpu_car_ops;
+static struct tegra_cpu_car_ops dummy_car_ops;
+struct tegra_cpu_car_ops *tegra_cpu_car_ops = &dummy_car_ops;
 
 void __init tegra_init_dup_clks(struct tegra_clk_duplicate *dup_list,
 				struct clk *clks[], int clk_max)
-- 
1.7.7.rc0.72.g4b5ea.dirty

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