linux-kernel - Re: [PATCH V3 7/7] ARM: DRA: Enable Crossbar IP support for DRA7XX

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Date:	Tue, 12 Nov 2013 11:17:21 +0530
From:	Sricharan R <r.sricharan@...com>
To:	Rajendra Nayak <rnayak@...com>
CC:	<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-doc@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-omap@...r.kernel.org>, <linus.walleij@...aro.org>,
	<linux@....linux.org.uk>, <tony@...mide.com>,
	<marc.zyngier@....com>, <grant.likely@...aro.org>,
	<mark.rutland@....com>, <robherring2@...il.com>,
	<tglx@...utronix.de>, <santosh.shilimkar@...com>,
	<galak@...eaurora.org>
Subject: Re: [PATCH V3 7/7] ARM: DRA: Enable Crossbar IP support for DRA7XX

Hi Rajendra,

On Tuesday 12 November 2013 11:11 AM, Rajendra Nayak wrote:
> On Tuesday 05 November 2013 06:44 PM, Sricharan R wrote:
>> Enable the crossbar IP support for DRA7xx soc.
>>
>> Cc: Santosh Shilimkar <santosh.shilimkar@...com>
>> Cc: Rajendra Nayak <rnayak@...com>
>> Cc: Tony Lindgren <tony@...mide.com>
>> Signed-off-by: Sricharan R <r.sricharan@...com>
>> ---
>>  arch/arm/mach-omap2/Kconfig        |    1 +
>>  arch/arm/mach-omap2/omap4-common.c |    4 ++++
>>  2 files changed, 5 insertions(+)
>>
>> diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
>> index b5fb5f7..2086c65 100644
>> --- a/arch/arm/mach-omap2/Kconfig
>> +++ b/arch/arm/mach-omap2/Kconfig
>> @@ -141,6 +141,7 @@ config SOC_DRA7XX
>>  	select ARM_GIC
>>  	select HAVE_SMP
>>  	select COMMON_CLK
>> +	select IRQ_CROSSBAR
>>  
>>  comment "OMAP Core Type"
>>  	depends on ARCH_OMAP2
>> diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
>> index 5791143..274cbfa 100644
>> --- a/arch/arm/mach-omap2/omap4-common.c
>> +++ b/arch/arm/mach-omap2/omap4-common.c
>> @@ -22,6 +22,7 @@
>>  #include <linux/of_platform.h>
>>  #include <linux/export.h>
>>  #include <linux/irqchip/arm-gic.h>
>> +#include <linux/irqchip/irq-crossbar.h>
>>  #include <linux/of_address.h>
>>  #include <linux/reboot.h>
>>  
>> @@ -282,9 +283,12 @@ void __init omap_gic_of_init(void)
>>  
>>  skip_errata_init:
>>  	omap_wakeupgen_init();
>> +	if (soc_is_dra7xx())
>> +		crossbar_init();
> Its good if this is called irqcrossbar_init() to avoid confusion
> with the dma crossbar which also exists in dra7 devices.
>
 Ya makes sense. Will change this.

Regards,
 Sricharan

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