Re: [PATCH] gpu: drm: i915: intel_sideband.c: Remove some unused functions

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On Sun, 07 Dec 2014, Rickard Strandqvist <rickard_strandqvist@xxxxxxxxxxxxxxxxxx> wrote:
> Removes some functions that are not used anywhere:
> vlv_flisdsi_read() vlv_gps_core_write() vlv_gps_core_read()
> vlv_ccu_write() vlv_ccu_read() vlv_gpio_nc_read()

I'd let them be.

BR,
Jani.


>
> This was partially found by using a static code analysis program called cppcheck.
>
> Signed-off-by: Rickard Strandqvist <rickard_strandqvist@xxxxxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/i915_drv.h       |    6 -----
>  drivers/gpu/drm/i915/intel_sideband.c |   44 ---------------------------------
>  2 files changed, 50 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 16a6f6d..d248957 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -2849,23 +2849,17 @@ int sandybridge_pcode_write(struct drm_i915_private *dev_priv, u8 mbox, u32 val)
>  u32 vlv_punit_read(struct drm_i915_private *dev_priv, u8 addr);
>  void vlv_punit_write(struct drm_i915_private *dev_priv, u8 addr, u32 val);
>  u32 vlv_nc_read(struct drm_i915_private *dev_priv, u8 addr);
> -u32 vlv_gpio_nc_read(struct drm_i915_private *dev_priv, u32 reg);
>  void vlv_gpio_nc_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
>  u32 vlv_cck_read(struct drm_i915_private *dev_priv, u32 reg);
>  void vlv_cck_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
> -u32 vlv_ccu_read(struct drm_i915_private *dev_priv, u32 reg);
> -void vlv_ccu_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
>  u32 vlv_bunit_read(struct drm_i915_private *dev_priv, u32 reg);
>  void vlv_bunit_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
> -u32 vlv_gps_core_read(struct drm_i915_private *dev_priv, u32 reg);
> -void vlv_gps_core_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
>  u32 vlv_dpio_read(struct drm_i915_private *dev_priv, enum pipe pipe, int reg);
>  void vlv_dpio_write(struct drm_i915_private *dev_priv, enum pipe pipe, int reg, u32 val);
>  u32 intel_sbi_read(struct drm_i915_private *dev_priv, u16 reg,
>  		   enum intel_sbi_destination destination);
>  void intel_sbi_write(struct drm_i915_private *dev_priv, u16 reg, u32 value,
>  		     enum intel_sbi_destination destination);
> -u32 vlv_flisdsi_read(struct drm_i915_private *dev_priv, u32 reg);
>  void vlv_flisdsi_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
>  
>  int vlv_gpu_freq(struct drm_i915_private *dev_priv, int val);
> diff --git a/drivers/gpu/drm/i915/intel_sideband.c b/drivers/gpu/drm/i915/intel_sideband.c
> index 01d841e..5939171 100644
> --- a/drivers/gpu/drm/i915/intel_sideband.c
> +++ b/drivers/gpu/drm/i915/intel_sideband.c
> @@ -129,14 +129,6 @@ u32 vlv_nc_read(struct drm_i915_private *dev_priv, u8 addr)
>  	return val;
>  }
>  
> -u32 vlv_gpio_nc_read(struct drm_i915_private *dev_priv, u32 reg)
> -{
> -	u32 val = 0;
> -	vlv_sideband_rw(dev_priv, PCI_DEVFN(2, 0), IOSF_PORT_GPIO_NC,
> -			SB_CRRDDA_NP, reg, &val);
> -	return val;
> -}
> -
>  void vlv_gpio_nc_write(struct drm_i915_private *dev_priv, u32 reg, u32 val)
>  {
>  	vlv_sideband_rw(dev_priv, PCI_DEVFN(2, 0), IOSF_PORT_GPIO_NC,
> @@ -157,34 +149,6 @@ void vlv_cck_write(struct drm_i915_private *dev_priv, u32 reg, u32 val)
>  			SB_CRWRDA_NP, reg, &val);
>  }
>  
> -u32 vlv_ccu_read(struct drm_i915_private *dev_priv, u32 reg)
> -{
> -	u32 val = 0;
> -	vlv_sideband_rw(dev_priv, PCI_DEVFN(2, 0), IOSF_PORT_CCU,
> -			SB_CRRDDA_NP, reg, &val);
> -	return val;
> -}
> -
> -void vlv_ccu_write(struct drm_i915_private *dev_priv, u32 reg, u32 val)
> -{
> -	vlv_sideband_rw(dev_priv, PCI_DEVFN(2, 0), IOSF_PORT_CCU,
> -			SB_CRWRDA_NP, reg, &val);
> -}
> -
> -u32 vlv_gps_core_read(struct drm_i915_private *dev_priv, u32 reg)
> -{
> -	u32 val = 0;
> -	vlv_sideband_rw(dev_priv, PCI_DEVFN(2, 0), IOSF_PORT_GPS_CORE,
> -			SB_CRRDDA_NP, reg, &val);
> -	return val;
> -}
> -
> -void vlv_gps_core_write(struct drm_i915_private *dev_priv, u32 reg, u32 val)
> -{
> -	vlv_sideband_rw(dev_priv, PCI_DEVFN(2, 0), IOSF_PORT_GPS_CORE,
> -			SB_CRWRDA_NP, reg, &val);
> -}
> -
>  u32 vlv_dpio_read(struct drm_i915_private *dev_priv, enum pipe pipe, int reg)
>  {
>  	u32 val = 0;
> @@ -267,14 +231,6 @@ void intel_sbi_write(struct drm_i915_private *dev_priv, u16 reg, u32 value,
>  	}
>  }
>  
> -u32 vlv_flisdsi_read(struct drm_i915_private *dev_priv, u32 reg)
> -{
> -	u32 val = 0;
> -	vlv_sideband_rw(dev_priv, DPIO_DEVFN, IOSF_PORT_FLISDSI, SB_CRRDDA_NP,
> -			reg, &val);
> -	return val;
> -}
> -
>  void vlv_flisdsi_write(struct drm_i915_private *dev_priv, u32 reg, u32 val)
>  {
>  	vlv_sideband_rw(dev_priv, DPIO_DEVFN, IOSF_PORT_FLISDSI, SB_CRWRDA_NP,
> -- 
> 1.7.10.4
>

-- 
Jani Nikula, Intel Open Source Technology Center
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