linux-kernel - Re: [PATCH 2/2] arm: socfpga: Set share override bit of the l2 cache controller

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Message-ID: <546F59DD.5040809@opensource.altera.com>
Date:	Fri, 21 Nov 2014 09:27:25 -0600
From:	Dinh Nguyen <dinguyen@...nsource.altera.com>
To:	Arnd Bergmann <arnd@...db.de>,
	<linux-arm-kernel@...ts.infradead.org>
CC:	<linux@....linux.org.uk>, <dinh.linux@...il.com>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] arm: socfpga: Set share override bit of the l2 cache
 controller

Hi Arnd,

On 11/21/14, 5:04 AM, Arnd Bergmann wrote:
> On Thursday 20 November 2014 23:04:40 dinguyen@...nsource.altera.com wrote:
>>
>> ---
>>  arch/arm/mach-socfpga/socfpga.c | 3 ++-
>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/mach-socfpga/socfpga.c b/arch/arm/mach-socfpga/socfpga.c
>> index 13b1858..afc009f 100644
>> --- a/arch/arm/mach-socfpga/socfpga.c
>> +++ b/arch/arm/mach-socfpga/socfpga.c
>> @@ -105,7 +105,8 @@ static const char *altera_dt_match[] = {
>>  
>>  DT_MACHINE_START(SOCFPGA, "Altera SOCFPGA")
>>         .l2c_aux_val    = L310_AUX_CTRL_DATA_PREFETCH |
>> -                         L310_AUX_CTRL_INSTR_PREFETCH,
>> +                         L310_AUX_CTRL_INSTR_PREFETCH |
>> +                         L2C_AUX_CTRL_SHARED_OVERRIDE,
>>         .l2c_aux_mask   = ~0,
>>         .smp            = smp_ops(socfpga_smp_ops),
>>         .map_io         = socfpga_map_io,
> 
> Hi Dinh,
> 
> Please do this by putting the appropriate proterties into the
> l2x0 DT node instead.
> 

I don't see a way to do this yet in DT. Perhaps I'm missing a patchset
to allow this?

Thanks,
Dinh
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