Re: [PATCH v4 3/4] ARM: DRA7: hwmod: Add ocp2scp3 and sata hwmods

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On 06/18/2014 01:29 PM, Rajendra Nayak wrote:
> On Wednesday 18 June 2014 01:32 PM, Roger Quadros wrote:
>> On 04/23/2014 08:35 PM, Roger Quadros wrote:
>>> From: Nikhil Devshatwar <nikhil.nd@xxxxxx>
>>>
>>> Add hwmods for ocp2scp3 and sata modules.
> 
> From what I see this is actually adding the ocp2scp3 data and fixing up some
> of the sata data which is already added and erroneous.
> 
> It would help if this is split up and the changelog explains whats fixed up for
> sata and why. Like for instance I see the opt clock data being removed but no
> mention of why.

OK. I will split this up into 2 patches, one to add ocp2scp3 data and the other to fix sata hwmod.

cheers,
-roger

>  
>>>
>>> [Roger Q] Clean up.
>>>
>>> CC: Benoit Cousson <bcousson@xxxxxxxxxxxx>
>>> CC: Paul Walmsley <paul@xxxxxxxxx>
>>> Signed-off-by: Balaji T K <balajitk@xxxxxx>
>>> Signed-off-by: Nikhil Devshatwar <nikhil.nd@xxxxxx>
>>> Signed-off-by: Roger Quadros <rogerq@xxxxxx>
>>
>> Tested-by: Roger Quadros <rogerq@xxxxxx>
>> against 3.16-rc1, no dependency patches needed.
>>
>> Nishant/Rajendra,
>>
>> Could you please review this? We need this for 3.16 SATA support and
>> Paul won't take this in without your reviewed-by tag. Thanks.
>>
>> cheers,
>> -roger
>>
>>> ---
>>>  arch/arm/mach-omap2/omap_hwmod_7xx_data.c | 31 ++++++++++++++++++++++++++-----
>>>  1 file changed, 26 insertions(+), 5 deletions(-)
>>>
>>> diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
>>> index 810c205..b02a4ab 100644
>>> --- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
>>> +++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
>>> @@ -1215,6 +1215,30 @@ static struct omap_hwmod dra7xx_ocp2scp1_hwmod = {
>>>  	},
>>>  };
>>>  
>>> +/* ocp2scp3 */
>>> +static struct omap_hwmod dra7xx_ocp2scp3_hwmod;
>>> +
>>> +/* l4_cfg -> ocp2scp3 */
>>> +static struct omap_hwmod_ocp_if dra7xx_l4_cfg__ocp2scp3 = {
>>> +	.master		= &dra7xx_l4_cfg_hwmod,
>>> +	.slave		= &dra7xx_ocp2scp3_hwmod,
>>> +	.clk		= "l4_root_clk_div",
>>> +	.user		= OCP_USER_MPU | OCP_USER_SDMA,
>>> +};
> 
> All hwmod data files are organized in a certain way with all the hwmod/IP block info on top
> and Interface structs at the bottom. Can we follow the same for ocp2scp3? It helps with better
> readability.
>  
>>> +
>>> +static struct omap_hwmod dra7xx_ocp2scp3_hwmod = {
>>> +	.name		= "ocp2scp3",
>>> +	.class		= &dra7xx_ocp2scp_hwmod_class,
>>> +	.clkdm_name	= "l3init_clkdm",
> 
> No main_clk?
> 
> regards,
> Rajendra
> 
>>> +	.prcm = {
>>> +		.omap4 = {
>>> +			.clkctrl_offs = DRA7XX_CM_L3INIT_OCP2SCP3_CLKCTRL_OFFSET,
>>> +			.context_offs = DRA7XX_RM_L3INIT_OCP2SCP3_CONTEXT_OFFSET,
>>> +			.modulemode   = MODULEMODE_HWCTRL,
>>> +		},
>>> +	},
>>> +};
>>> +
>>>  /*
>>>   * 'qspi' class
>>>   *
>>> @@ -1268,9 +1292,6 @@ static struct omap_hwmod_class dra7xx_sata_hwmod_class = {
>>>  };
>>>  
>>>  /* sata */
>>> -static struct omap_hwmod_opt_clk sata_opt_clks[] = {
>>> -	{ .role = "ref_clk", .clk = "sata_ref_clk" },
>>> -};
>>>  
>>>  static struct omap_hwmod dra7xx_sata_hwmod = {
>>>  	.name		= "sata",
>>> @@ -1278,6 +1299,7 @@ static struct omap_hwmod dra7xx_sata_hwmod = {
>>>  	.clkdm_name	= "l3init_clkdm",
>>>  	.flags		= HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY,
>>>  	.main_clk	= "func_48m_fclk",
>>> +	.mpu_rt_idx	= 1,
>>>  	.prcm = {
>>>  		.omap4 = {
>>>  			.clkctrl_offs = DRA7XX_CM_L3INIT_SATA_CLKCTRL_OFFSET,
>>> @@ -1285,8 +1307,6 @@ static struct omap_hwmod dra7xx_sata_hwmod = {
>>>  			.modulemode   = MODULEMODE_SWCTRL,
>>>  		},
>>>  	},
>>> -	.opt_clks	= sata_opt_clks,
>>> -	.opt_clks_cnt	= ARRAY_SIZE(sata_opt_clks),
>>>  };
>>>  
>>>  /*
>>> @@ -2682,6 +2702,7 @@ static struct omap_hwmod_ocp_if *dra7xx_hwmod_ocp_ifs[] __initdata = {
>>>  	&dra7xx_l4_per1__mmc4,
>>>  	&dra7xx_l4_cfg__mpu,
>>>  	&dra7xx_l4_cfg__ocp2scp1,
>>> +	&dra7xx_l4_cfg__ocp2scp3,
>>>  	&dra7xx_l3_main_1__qspi,
>>>  	&dra7xx_l4_cfg__sata,
>>>  	&dra7xx_l4_cfg__smartreflex_core,
>>>
>>
> 

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