On Tue, Aug 27, 2013 at 11:27:55PM +0200, Sebastian Hesselbarth wrote:
> Most DT ARM machs require common clock providers initialized before timers.
> Currently, arch/arm machs use .init_time to call clk_of_init right before
> clocksource_of_init. This prevents to remove that hook and use the default
> hook instead. clk_of_init is safe to call for non-DT platforms, so add
> the call to ARM arch time_init by default. While at it, also reorder includes
> alphabetically.
>
> Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx>
> ---
> Changelog:
> v1->v2:
> - reorder includes alphabetically
>
> Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: linux-tegra@xxxxxxxxxxxxxxx
> Cc: kernel@xxxxxxxxxxx
> Cc: linux-samsung-soc@xxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> ---
> arch/arm/kernel/time.c | 24 ++++++++++++++----------
> 1 files changed, 14 insertions(+), 10 deletions(-)
>
> diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
> index 98aee32..dd1028e 100644
> --- a/arch/arm/kernel/time.c
> +++ b/arch/arm/kernel/time.c
> @@ -11,25 +11,26 @@
[ ... ]
> void __init time_init(void)
> {
> + /* initalize common clocks before timers */
> + of_clk_init(NULL);
> +
> if (machine_desc->init_time)
> machine_desc->init_time();
> else
This forces zynq to move some initialization our clock code relies on to
init_irq(). Also, the current code already takes an approach of
doing either common init or machine specific init.
I think it might be better to move the call to of_clk_init() down into
the else branch of the if-else.
Though, this probably contradicts the purpose of the whole series.
Sören
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