Re: [PATCH v2 05/18] phy: cdns-dphy: Remove leftover code

[Aradhya Bhatia]

Hi Tomi,

Thank you for the patches!

On 02/04/25 19:00, Tomi Valkeinen wrote:
> The code in cdns-dphy has probably been part of a DSI driver in the
> past. Remove DSI defines and variables which are not used or do not
> actually do anything. Also rename cdns_dsi_get_dphy_pll_cfg() to
> cdns_get_dphy_pll_cfg(), i.e. drop the "dsi", as it's not relevant here.
> 
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
> ---
>  drivers/phy/cadence/cdns-dphy.c | 19 ++++---------------
>  1 file changed, 4 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/phy/cadence/cdns-dphy.c b/drivers/phy/cadence/cdns-dphy.c
> index f79ec4fab409..7f8b70ec10c5 100644
> --- a/drivers/phy/cadence/cdns-dphy.c
> +++ b/drivers/phy/cadence/cdns-dphy.c
> @@ -55,14 +55,6 @@
>  #define DPHY_PSM_CFG_FROM_REG		BIT(0)
>  #define DPHY_PSM_CLK_DIV(x)		((x) << 1)
>  
> -#define DSI_HBP_FRAME_OVERHEAD		12
> -#define DSI_HSA_FRAME_OVERHEAD		14
> -#define DSI_HFP_FRAME_OVERHEAD		6
> -#define DSI_HSS_VSS_VSE_FRAME_OVERHEAD	4
> -#define DSI_BLANKING_FRAME_OVERHEAD	6
> -#define DSI_NULL_FRAME_OVERHEAD		6
> -#define DSI_EOT_PKT_SIZE		4
> -
>  #define DPHY_TX_J721E_WIZ_PLL_CTRL	0xF04
>  #define DPHY_TX_J721E_WIZ_STATUS	0xF08
>  #define DPHY_TX_J721E_WIZ_RST_CTRL	0xF0C
> @@ -117,10 +109,9 @@ static const unsigned int tx_bands[] = {
>  	870, 950, 1000, 1200, 1400, 1600, 1800, 2000, 2200, 2500
>  };
>  
> -static int cdns_dsi_get_dphy_pll_cfg(struct cdns_dphy *dphy,
> -				     struct cdns_dphy_cfg *cfg,
> -				     struct phy_configure_opts_mipi_dphy *opts,
> -				     unsigned int *dsi_hfp_ext)
> +static int cdns_get_dphy_pll_cfg(struct cdns_dphy *dphy,

nit: cdns_dphy_get_pll_cfg seems more appropriate. We even have a
cdns_dphy_set_pll_cfg.

> +				 struct cdns_dphy_cfg *cfg,
> +				 struct phy_configure_opts_mipi_dphy *opts)
>  {
>  	unsigned long pll_ref_hz = clk_get_rate(dphy->pll_ref_clk);
>  	u64 dlane_bps;
> @@ -289,15 +280,13 @@ static int cdns_dphy_config_from_opts(struct phy *phy,
>  				      struct cdns_dphy_cfg *cfg)
>  {
>  	struct cdns_dphy *dphy = phy_get_drvdata(phy);
> -	unsigned int dsi_hfp_ext = 0;
>  	int ret;
>  
>  	ret = phy_mipi_dphy_config_validate(opts);
>  	if (ret)
>  		return ret;
>  
> -	ret = cdns_dsi_get_dphy_pll_cfg(dphy, cfg,
> -					opts, &dsi_hfp_ext);
> +	ret = cdns_get_dphy_pll_cfg(dphy, cfg, opts);
>  	if (ret)
>  		return ret;
>  
> 

Apart from the small comment above,

Reviewed-by: Aradhya Bhatia <aradhya.bhatia@xxxxxxxxx>

-- 
Regards
Aradhya