linux-kernel - Re: [PATCH V3 04/10] ARM: OMAP3: hwmod: rename the smartreflex entries

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Date:	Mon, 07 May 2012 16:39:53 -0700
From:	Kevin Hilman <khilman@...com>
To:	"J\, KEERTHY" <j-keerthy@...com>
Cc:	"AnilKumar\, Chimata" <anilkumar@...com>,
	"linux-omap\@vger.kernel.org" <linux-omap@...r.kernel.org>,
	"linux-arm-kernel\@lists.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"rjw\@sisk.pl" <rjw@...k.pl>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-pm\@lists.linux-foundation.org" 
	<linux-pm@...ts.linux-foundation.org>,
	"Pihet-XID\, Jean" <j-pihet@...com>
Subject: Re: [PATCH V3 04/10] ARM: OMAP3: hwmod: rename the smartreflex entries

"J, KEERTHY" <j-keerthy@...com> writes:

> Hi AnilKumar,
>
> Thanks for reviewing.
>
> On Fri, May 4, 2012 at 2:00 PM, AnilKumar, Chimata <anilkumar@...com> wrote:
>> On Thu, Apr 26, 2012 at 23:10:35, J, KEERTHY wrote:
>>> From: Jean Pihet <j-pihet@...com>
>>>
>>> Change the name field value to better reflect the smartreflex
>>> integration in the system.
>>>
>>> Signed-off-by: Jean Pihet <j-pihet@...com>
>>> Signed-off-by: J Keerthy <j-keerthy@...com>
>>> ---
>>>  arch/arm/mach-omap2/omap_hwmod_3xxx_data.c |    8 ++++----
>>>  arch/arm/mach-omap2/smartreflex.c          |    2 +-
>>>  2 files changed, 5 insertions(+), 5 deletions(-)
>>>
>>> diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
>>> index 144d118..15907b0 100644
>>> --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
>>> +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
>>> @@ -1324,7 +1324,7 @@ static struct omap_hwmod_irq_info omap3_smartreflex_mpu_irqs[] = {
>>>  };
>>>
>>>  static struct omap_hwmod omap34xx_sr1_hwmod = {
>>> -     .name           = "sr1",
>>> +     .name           = "smartreflex_mpu_iva",
>>>       .class          = &omap34xx_smartreflex_hwmod_class,
>>>       .main_clk       = "sr1_fck",
>>>       .prcm           = {
>>> @@ -1342,7 +1342,7 @@ static struct omap_hwmod omap34xx_sr1_hwmod = {
>>>  };
>>>
>>>  static struct omap_hwmod omap36xx_sr1_hwmod = {
>>> -     .name           = "sr1",
>>> +     .name           = "smartreflex_mpu_iva",
>>>       .class          = &omap36xx_smartreflex_hwmod_class,
>>>       .main_clk       = "sr1_fck",
>>>       .prcm           = {
>>> @@ -1369,7 +1369,7 @@ static struct omap_hwmod_irq_info omap3_smartreflex_core_irqs[] = {
>>>  };
>>>
>>>  static struct omap_hwmod omap34xx_sr2_hwmod = {
>>> -     .name           = "sr2",
>>> +     .name           = "smartreflex_core",
>>>       .class          = &omap34xx_smartreflex_hwmod_class,
>>>       .main_clk       = "sr2_fck",
>>>       .prcm           = {
>>> @@ -1387,7 +1387,7 @@ static struct omap_hwmod omap34xx_sr2_hwmod = {
>>>  };
>>>
>>>  static struct omap_hwmod omap36xx_sr2_hwmod = {
>>> -     .name           = "sr2",
>>> +     .name           = "smartreflex_core",
>>>       .class          = &omap36xx_smartreflex_hwmod_class,
>>>       .main_clk       = "sr2_fck",
>>>       .prcm           = {
>>> diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c
>>> index 2edd1e2..d859277 100644
>>> --- a/arch/arm/mach-omap2/smartreflex.c
>>> +++ b/arch/arm/mach-omap2/smartreflex.c
>>> @@ -183,7 +183,7 @@ static void sr_set_regfields(struct omap_sr *sr)
>>>               sr->err_weight = OMAP3430_SR_ERRWEIGHT;
>>>               sr->err_maxlimit = OMAP3430_SR_ERRMAXLIMIT;
>>>               sr->accum_data = OMAP3430_SR_ACCUMDATA;
>>> -             if (!(strcmp(sr->name, "sr1"))) {
>>> +             if (!(strcmp(sr->name, "smartreflex_mpu_iva"))) {
>>
>> What if voltage rail is different for mpu and iva? I have seen some devices
>> supports SmartReflex have different voltage rails for mpu and iva.
>>
>
> I get the point. OMAP3 iva and mpu have a common rail. OMAP4 onwards
> even we have different rails for mpu and iva. I will enhance the checks here.

Rather than enhancing the checks, this SoC specific data should probably
just be made part of the SoC specific hwmod dev_attr.

Kevin

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