Re: [PATCH 1/2] omap3: voltage: remove unnecessary param passing

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Sanjeev Premi <premi@xxxxxx> writes:

> It is not necessary to pass the params prm_mod and
> prm_irqst_mod to omap_voltage_early_init().
>
> Signed-off-by: Sanjeev Premi <premi@xxxxxx>

Hi Sanjeev,

I also started working on cleaning some of this up, but I took a
slightly different approach[1], namely I make these offsets part of the
VDD structure so that this data stays in the data files.

I'm still working on the series, but the work-in-progress is in my
pm-wip/voltdm branch, which I expect to post for comment tomorrow.

Kevin

[1] http://git.kernel.org/?p=linux/kernel/git/khilman/linux-omap-pm.git;a=commit;h=185cdf40ad978a466106b52fce9b68ca7081f358
[2] http://git.kernel.org/?p=linux/kernel/git/khilman/linux-omap-pm.git;a=shortlog;h=refs/heads/pm-wip/voltdm

> ---
>  arch/arm/mach-omap2/voltage.c                 |   18 ++++++++++++++----
>  arch/arm/mach-omap2/voltage.h                 |    3 +--
>  arch/arm/mach-omap2/voltagedomains3xxx_data.c |    5 +----
>  arch/arm/mach-omap2/voltagedomains44xx_data.c |    6 +-----
>  4 files changed, 17 insertions(+), 15 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/voltage.c b/arch/arm/mach-omap2/voltage.c
> index c6facf7..ce3098a 100644
> --- a/arch/arm/mach-omap2/voltage.c
> +++ b/arch/arm/mach-omap2/voltage.c
> @@ -1096,12 +1096,22 @@ int __init omap_voltage_late_init(void)
>  }
>  
>  /* XXX document */
> -int __init omap_voltage_early_init(s16 prm_mod, s16 prm_irqst_ocp_mod,
> -				   struct omap_vdd_info *omap_vdd_array[],
> +int __init omap_voltage_early_init(struct omap_vdd_info *omap_vdd_array[],
>  				   u8 omap_vdd_count)
>  {
> -	prm_mod_offs = prm_mod;
> -	prm_irqst_ocp_mod_offs = prm_irqst_ocp_mod;
> +	if (cpu_is_omap44xx()) {
> +		prm_mod_offs = OMAP4430_PRM_DEVICE_INST;
> +		prm_irqst_ocp_mod_offs = OMAP4430_PRM_OCP_SOCKET_INST;
> +	} else if (cpu_is_omap34xx()) {
> +		prm_mod_offs = OMAP3430_GR_MOD;
> +		prm_irqst_ocp_mod_offs = OCP_MOD;
> +	} else {
> +		/* TODO:
> +		 * What should be done for OMAP24xx?
> +		 * Would we even reach here?
> +		 */
> +	}
> +
>  	vdd_info = omap_vdd_array;
>  	nr_scalable_vdd = omap_vdd_count;
>  	return 0;
> diff --git a/arch/arm/mach-omap2/voltage.h b/arch/arm/mach-omap2/voltage.h
> index e9f5408..b56530e 100644
> --- a/arch/arm/mach-omap2/voltage.h
> +++ b/arch/arm/mach-omap2/voltage.h
> @@ -151,8 +151,7 @@ struct omap_volt_data *omap_voltage_get_voltdata(struct voltagedomain *voltdm,
>  		unsigned long volt);
>  unsigned long omap_voltage_get_nom_volt(struct voltagedomain *voltdm);
>  struct dentry *omap_voltage_get_dbgdir(struct voltagedomain *voltdm);
> -int __init omap_voltage_early_init(s16 prm_mod, s16 prm_irqst_mod,
> -				   struct omap_vdd_info *omap_vdd_array[],
> +int __init omap_voltage_early_init(struct omap_vdd_info *omap_vdd_array[],
>  				   u8 omap_vdd_count);
>  #ifdef CONFIG_PM
>  int omap_voltage_register_pmic(struct voltagedomain *voltdm,
> diff --git a/arch/arm/mach-omap2/voltagedomains3xxx_data.c b/arch/arm/mach-omap2/voltagedomains3xxx_data.c
> index def230f..6f6999d 100644
> --- a/arch/arm/mach-omap2/voltagedomains3xxx_data.c
> +++ b/arch/arm/mach-omap2/voltagedomains3xxx_data.c
> @@ -70,8 +70,6 @@ static struct omap_vdd_info *omap3_vdd_info[] = {
>  /* OMAP3 specific voltage init functions */
>  static int __init omap3xxx_voltage_early_init(void)
>  {
> -	s16 prm_mod = OMAP3430_GR_MOD;
> -	s16 prm_irqst_ocp_mod = OCP_MOD;
>  
>  	if (!cpu_is_omap34xx())
>  		return 0;
> @@ -88,8 +86,7 @@ static int __init omap3xxx_voltage_early_init(void)
>  		omap3_vdd2_info.volt_data = omap34xx_vddcore_volt_data;
>  	}
>  
> -	return omap_voltage_early_init(prm_mod, prm_irqst_ocp_mod,
> -				       omap3_vdd_info,
> +	return omap_voltage_early_init(omap3_vdd_info,
>  				       ARRAY_SIZE(omap3_vdd_info));
>  };
>  core_initcall(omap3xxx_voltage_early_init);
> diff --git a/arch/arm/mach-omap2/voltagedomains44xx_data.c b/arch/arm/mach-omap2/voltagedomains44xx_data.c
> index cb64996..208a67d 100644
> --- a/arch/arm/mach-omap2/voltagedomains44xx_data.c
> +++ b/arch/arm/mach-omap2/voltagedomains44xx_data.c
> @@ -81,9 +81,6 @@ static struct omap_vdd_info *omap4_vdd_info[] = {
>  /* OMAP4 specific voltage init functions */
>  static int __init omap44xx_voltage_early_init(void)
>  {
> -	s16 prm_mod = OMAP4430_PRM_DEVICE_INST;
> -	s16 prm_irqst_ocp_mod = OMAP4430_PRM_OCP_SOCKET_INST;
> -
>  	if (!cpu_is_omap44xx())
>  		return 0;
>  
> @@ -95,8 +92,7 @@ static int __init omap44xx_voltage_early_init(void)
>  	omap4_vdd_iva_info.volt_data = omap44xx_vdd_iva_volt_data;
>  	omap4_vdd_core_info.volt_data = omap44xx_vdd_core_volt_data;
>  
> -	return omap_voltage_early_init(prm_mod, prm_irqst_ocp_mod,
> -				       omap4_vdd_info,
> +	return omap_voltage_early_init(omap4_vdd_info,
>  				       ARRAY_SIZE(omap4_vdd_info));
>  };
>  core_initcall(omap44xx_voltage_early_init);
--
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