Re: [PATCH] ARM: OMAP AM35x: clockdomain data: fix resolving dependency problem

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On Mon, Jul 02, 2012 at 05:54:57AM +0000, Kim, Milo wrote:
> In am35x board , iva2 clock domain doesn't be used.
> So mpu_am35x_clkdm should be used rather than mpu_3xxx_clkdm.
> OMAP3430 : mpu_3xxx_clkdm (with iva2 clkdm)
> AM35x    : mpu_am35x_clkdm (without iva2 clkdm)
> 
> For the compatibility with omap3430, this patch has no conflict because mpu_3xxx_clkdm was already defined in clock domains for omap3430.
> So this can be removed from common clock domain.
> 
> Below error can be fixed with this patch.
> 
> [    0.000000] AM3517 ES1.1 (l2cache sgx neon )
> [    0.000000] ------------[ cut here ]------------
> [    0.000000] WARNING: at arch/arm/mach-omap2/clockdomain.c:237 _resolve_clkdm_deps+0x68/0x108()
> [    0.000000] clockdomain: mpu_clkdm: could not find clkdm iva2_clkdm while resolving dependencies - should never happen
> [    0.000000] Modules linked in:
> [    0.000000] [<c001bd3c>] (unwind_backtrace+0x0/0xf4) from [<c0040c2c>] (warn_slowpath_common+0x4c/0x64)
> [    0.000000] [<c0040c2c>] (warn_slowpath_common+0x4c/0x64) from [<c0040cd8>] (warn_slowpath_fmt+0x30/0x40)
> [    0.000000] [<c0040cd8>] (warn_slowpath_fmt+0x30/0x40) from [<c003256c>] (_resolve_clkdm_deps+0x68/0x108)
> [    0.000000] [<c003256c>] (_resolve_clkdm_deps+0x68/0x108) from [<c0032640>] (clkdm_complete_init+0x34/0x90)
> [    0.000000] [<c0032640>] (clkdm_complete_init+0x34/0x90) from [<c06d7600>] (omap3_init_early+0x20/0x30)
> [    0.000000] [<c06d7600>] (omap3_init_early+0x20/0x30) from [<c06d3230>] (setup_arch+0x834/0x94c)
> [    0.000000] [<c06d3230>] (setup_arch+0x834/0x94c) from [<c06cf6b0>] (start_kernel+0x88/0x2fc)
> [    0.000000] [<c06cf6b0>] (start_kernel+0x88/0x2fc) from [<80008044>] (0x80008044)
> 
> Signed-off-by: Milo(Woogyom) Kim <milo.kim@xxxxxx>
> ---
>  arch/arm/mach-omap2/clockdomains3xxx_data.c |    1 -
>  1 files changed, 0 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/clockdomains3xxx_data.c b/arch/arm/mach-omap2/clockdomains3xxx_data.c
> index d625844..56089c4 100644
> --- a/arch/arm/mach-omap2/clockdomains3xxx_data.c
> +++ b/arch/arm/mach-omap2/clockdomains3xxx_data.c
> @@ -454,7 +454,6 @@ static struct clkdm_autodep clkdm_am35x_autodeps[] = {
>  
>  static struct clockdomain *clockdomains_common[] __initdata = {
>  	&wkup_common_clkdm,
> -	&mpu_3xxx_clkdm,
>  	&neon_clkdm,
>  	&core_l3_3xxx_clkdm,
>  	&core_l4_3xxx_clkdm,
> -- 
> 1.7.2.5

Hi Milo.

Thanks for the patch but this issue should already be fixed in a patch
that Tony just made a pull request for
(http://www.spinics.net/lists/linux-omap/msg73080.html).

>From that email (and branch in the email), look for this patch:

> Mark A. Greer (4):

>      ARM: OMAP AM35x: clockdomain data: Fix clockdomain dependencies

Please take a look as another set of eyes never hurts. :)

Mark
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