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clk: tegra: make tegra_clocks_apply_init_table() arch_initcall

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tegra_clocks_apply_init_table() needs to be called after the udelay
loop has been calibrated (see commit
441f199a37 ("clk: tegra: defer
application of init table") for why that is).  On existing Tegra SoCs
this was done by calling tegra_clocks_apply_init_table() from
tegra_dt_init(). To make this also work on ARM64, we need to change
this into an initcall. tegra_dt_init() is called from
customize_machine which is an arch_initcall. Therefore this should
also work on existing 32bit Tegra SoCs.

Tested on Tegra20 (ventana), Tegra30 (beaverboard), Tegra124 (jetson TK1) and
Tegra132.

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
[paul@pwsan.com: tweaked the commit message]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <pwalmsley@nvidia.com>
Cc: Thierry Reding <treding@nvidia.com>
Cc: Prashant Gaikwad <pgaikwad@nvidia.com>
Cc: Mike Turquette <mturquette@linaro.org>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Alexandre Courbot <gnurou@gmail.com>
This commit is contained in:
Peter De Schrijver 2014-12-16 12:38:27 -08:00
parent ca036b261c
commit d0a57bd5b5
3 changed files with 5 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/mach-tegra/tegra.c
View File

@ -91,8 +91,6 @@ static void __init tegra_dt_init(void)
struct soc_device *soc_dev; struct soc_device *soc_dev;
struct device *parent = NULL; struct device *parent = NULL;
tegra_clocks_apply_init_table();
soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL); soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
if (!soc_dev_attr) if (!soc_dev_attr)
goto out; goto out;

7
drivers/clk/tegra/clk.c
View File

@ -302,10 +302,13 @@ struct clk ** __init tegra_lookup_dt_id(int clk_id,
tegra_clk_apply_init_table_func tegra_clk_apply_init_table; tegra_clk_apply_init_table_func tegra_clk_apply_init_table;
void __init tegra_clocks_apply_init_table(void) static int __init tegra_clocks_apply_init_table(void)
{ {
if (!tegra_clk_apply_init_table) if (!tegra_clk_apply_init_table)
return; return 0;
tegra_clk_apply_init_table(); tegra_clk_apply_init_table();
return 0;
} }
arch_initcall(tegra_clocks_apply_init_table);

2
include/linux/clk/tegra.h
View File

@ -120,6 +120,4 @@ static inline void tegra_cpu_clock_resume(void)
} }
#endif #endif
void tegra_clocks_apply_init_table(void);
#endif /* __LINUX_CLK_TEGRA_H_ */ #endif /* __LINUX_CLK_TEGRA_H_ */