Subject: Re: [PATCH 3/3] interconnect: imx8: Remove the imx_icc_node_adj_desc

From: Abel Vesa <[email-masked]>
Date: Sat, 1 Jan 2022 18:24:03 +0200

On 22-01-01 17:52:45, Abel Vesa wrote:
> Now that the imx generic interconnect doesn't use the
> imx_icc_node_adj_desc, we remove it from all the i.MX8M
> platform drivers.
> 
> Signed-off-by: Abel Vesa <[email-masked]>
> ---
>  drivers/interconnect/imx/imx.h    | 19 ++++-------------
>  drivers/interconnect/imx/imx8mm.c | 32 +++++++++-------------------
>  drivers/interconnect/imx/imx8mn.c | 28 +++++++------------------
>  drivers/interconnect/imx/imx8mq.c | 35 ++++++++++---------------------
>  4 files changed, 33 insertions(+), 81 deletions(-)
> 
> diff --git a/drivers/interconnect/imx/imx.h b/drivers/interconnect/imx/imx.h
> index 75da51076c68..5c9f5138f6aa 100644
> --- a/drivers/interconnect/imx/imx.h
> +++ b/drivers/interconnect/imx/imx.h
> @@ -14,15 +14,6 @@
>  
>  #define IMX_ICC_MAX_LINKS	4
>  
> -/*
> - * struct imx_icc_node_adj - Describe a dynamic adjustable node
> - */
> -struct imx_icc_node_adj_desc {
> -	unsigned int bw_mul, bw_div;
> -	const char *phandle_name;
> -	bool main_noc;
> -};
> -
>  /*
>   * struct imx_icc_node - Describe an interconnect node
>   * @name: name of the node
> @@ -35,23 +26,21 @@ struct imx_icc_node_desc {
>  	u16 id;
>  	u16 links[IMX_ICC_MAX_LINKS];
>  	u16 num_links;
> -	const struct imx_icc_node_adj_desc *adj;
>  };
>  
> -#define DEFINE_BUS_INTERCONNECT(_name, _id, _adj, ...)			\
> +#define DEFINE_BUS_INTERCONNECT(_name, _id, ...)			\
>  	{								\
>  		.id = _id,						\
>  		.name = _name,						\
> -		.adj = _adj,						\
>  		.num_links = ARRAY_SIZE(((int[]){ __VA_ARGS__ })),	\
>  		.links = { __VA_ARGS__ },				\
>  	}
>  
>  #define DEFINE_BUS_MASTER(_name, _id, _dest_id)				\
> -	DEFINE_BUS_INTERCONNECT(_name, _id, NULL, _dest_id)
> +	DEFINE_BUS_INTERCONNECT(_name, _id, _dest_id)
>  
> -#define DEFINE_BUS_SLAVE(_name, _id, _adj)				\
> -	DEFINE_BUS_INTERCONNECT(_name, _id, _adj)
> +#define DEFINE_BUS_SLAVE(_name, _id)					\
> +	DEFINE_BUS_INTERCONNECT(_name, _id)
>  
>  int imx_icc_register(struct platform_device *pdev,
>  		     struct imx_icc_node_desc *nodes,
> diff --git a/drivers/interconnect/imx/imx8mm.c b/drivers/interconnect/imx/imx8mm.c
> index 1083490bb391..0c16110bef9d 100644
> --- a/drivers/interconnect/imx/imx8mm.c
> +++ b/drivers/interconnect/imx/imx8mm.c
> @@ -14,18 +14,6 @@
>  
>  #include "imx.h"
>  
> -static const struct imx_icc_node_adj_desc imx8mm_dram_adj = {
> -	.bw_mul = 1,
> -	.bw_div = 16,
> -	.phandle_name = "fsl,ddrc",
> -};
> -
> -static const struct imx_icc_node_adj_desc imx8mm_noc_adj = {
> -	.bw_mul = 1,
> -	.bw_div = 16,
> -	.main_noc = true,
> -};
> -
>  /*
>   * Describe bus masters, slaves and connections between them
>   *
> @@ -33,43 +21,43 @@ static const struct imx_icc_node_adj_desc imx8mm_noc_adj = {
>   * PL301 nics which are skipped/merged into PL301_MAIN
>   */
>  static struct imx_icc_node_desc nodes[] = {
> -	DEFINE_BUS_INTERCONNECT("NOC", IMX8MM_ICN_NOC, &imx8mm_noc_adj,
> +	DEFINE_BUS_INTERCONNECT("NOC", IMX8MM_ICN_NOC,
>  			IMX8MM_ICS_DRAM, IMX8MM_ICN_MAIN),
>  
> -	DEFINE_BUS_SLAVE("DRAM", IMX8MM_ICS_DRAM, &imx8mm_dram_adj),
> -	DEFINE_BUS_SLAVE("OCRAM", IMX8MM_ICS_OCRAM, NULL),
> +	DEFINE_BUS_SLAVE("DRAM", IMX8MM_ICS_DRAM),
> +	DEFINE_BUS_SLAVE("OCRAM", IMX8MM_ICS_OCRAM),
>  	DEFINE_BUS_MASTER("A53", IMX8MM_ICM_A53, IMX8MM_ICN_NOC),
>  
>  	/* VPUMIX */
>  	DEFINE_BUS_MASTER("VPU H1", IMX8MM_ICM_VPU_H1, IMX8MM_ICN_VIDEO),
>  	DEFINE_BUS_MASTER("VPU G1", IMX8MM_ICM_VPU_G1, IMX8MM_ICN_VIDEO),
>  	DEFINE_BUS_MASTER("VPU G2", IMX8MM_ICM_VPU_G2, IMX8MM_ICN_VIDEO),
> -	DEFINE_BUS_INTERCONNECT("PL301_VIDEO", IMX8MM_ICN_VIDEO, NULL, IMX8MM_ICN_NOC),
> +	DEFINE_BUS_INTERCONNECT("PL301_VIDEO", IMX8MM_ICN_VIDEO, IMX8MM_ICN_NOC),
>  
>  	/* GPUMIX */
>  	DEFINE_BUS_MASTER("GPU 2D", IMX8MM_ICM_GPU2D, IMX8MM_ICN_GPU),
>  	DEFINE_BUS_MASTER("GPU 3D", IMX8MM_ICM_GPU3D, IMX8MM_ICN_GPU),
> -	DEFINE_BUS_INTERCONNECT("PL301_GPU", IMX8MM_ICN_GPU, NULL, IMX8MM_ICN_NOC),
> +	DEFINE_BUS_INTERCONNECT("PL301_GPU", IMX8MM_ICN_GPU, IMX8MM_ICN_NOC),
>  
>  	/* DISPLAYMIX */
>  	DEFINE_BUS_MASTER("CSI", IMX8MM_ICM_CSI, IMX8MM_ICN_MIPI),
>  	DEFINE_BUS_MASTER("LCDIF", IMX8MM_ICM_LCDIF, IMX8MM_ICN_MIPI),
> -	DEFINE_BUS_INTERCONNECT("PL301_MIPI", IMX8MM_ICN_MIPI, NULL, IMX8MM_ICN_NOC),
> +	DEFINE_BUS_INTERCONNECT("PL301_MIPI", IMX8MM_ICN_MIPI, IMX8MM_ICN_NOC),
>  
>  	/* HSIO */
>  	DEFINE_BUS_MASTER("USB1", IMX8MM_ICM_USB1, IMX8MM_ICN_HSIO),
>  	DEFINE_BUS_MASTER("USB2", IMX8MM_ICM_USB2, IMX8MM_ICN_HSIO),
>  	DEFINE_BUS_MASTER("PCIE", IMX8MM_ICM_PCIE, IMX8MM_ICN_HSIO),
> -	DEFINE_BUS_INTERCONNECT("PL301_HSIO", IMX8MM_ICN_HSIO, NULL, IMX8MM_ICN_NOC),
> +	DEFINE_BUS_INTERCONNECT("PL301_HSIO", IMX8MM_ICN_HSIO, IMX8MM_ICN_NOC),
>  
>  	/* Audio */
>  	DEFINE_BUS_MASTER("SDMA2", IMX8MM_ICM_SDMA2, IMX8MM_ICN_AUDIO),
>  	DEFINE_BUS_MASTER("SDMA3", IMX8MM_ICM_SDMA3, IMX8MM_ICN_AUDIO),
> -	DEFINE_BUS_INTERCONNECT("PL301_AUDIO", IMX8MM_ICN_AUDIO, NULL, IMX8MM_ICN_MAIN),
> +	DEFINE_BUS_INTERCONNECT("PL301_AUDIO", IMX8MM_ICN_AUDIO, IMX8MM_ICN_MAIN),
>  
>  	/* Ethernet */
>  	DEFINE_BUS_MASTER("ENET", IMX8MM_ICM_ENET, IMX8MM_ICN_ENET),
> -	DEFINE_BUS_INTERCONNECT("PL301_ENET", IMX8MM_ICN_ENET, NULL, IMX8MM_ICN_MAIN),
> +	DEFINE_BUS_INTERCONNECT("PL301_ENET", IMX8MM_ICN_ENET, IMX8MM_ICN_MAIN),
>  
>  	/* Other */
>  	DEFINE_BUS_MASTER("SDMA1", IMX8MM_ICM_SDMA1, IMX8MM_ICN_MAIN),
> @@ -77,7 +65,7 @@ static struct imx_icc_node_desc nodes[] = {
>  	DEFINE_BUS_MASTER("USDHC1", IMX8MM_ICM_USDHC1, IMX8MM_ICN_MAIN),
>  	DEFINE_BUS_MASTER("USDHC2", IMX8MM_ICM_USDHC2, IMX8MM_ICN_MAIN),
>  	DEFINE_BUS_MASTER("USDHC3", IMX8MM_ICM_USDHC3, IMX8MM_ICN_MAIN),
> -	DEFINE_BUS_INTERCONNECT("PL301_MAIN", IMX8MM_ICN_MAIN, NULL,
> +	DEFINE_BUS_INTERCONNECT("PL301_MAIN", IMX8MM_ICN_MAIN,
>  			IMX8MM_ICN_NOC, IMX8MM_ICS_OCRAM),
>  };
>  
> diff --git a/drivers/interconnect/imx/imx8mn.c b/drivers/interconnect/imx/imx8mn.c
> index ad97e55fd4e5..8d16bd5cf006 100644
> --- a/drivers/interconnect/imx/imx8mn.c
> +++ b/drivers/interconnect/imx/imx8mn.c
> @@ -11,18 +11,6 @@
>  
>  #include "imx.h"
>  
> -static const struct imx_icc_node_adj_desc imx8mn_dram_adj = {
> -	.bw_mul = 1,
> -	.bw_div = 4,
> -	.phandle_name = "fsl,ddrc",
> -};
> -
> -static const struct imx_icc_node_adj_desc imx8mn_noc_adj = {
> -	.bw_mul = 1,
> -	.bw_div = 4,
> -	.main_noc = true,
> -};
> -
>  /*
>   * Describe bus masters, slaves and connections between them
>   *
> @@ -30,23 +18,23 @@ static const struct imx_icc_node_adj_desc imx8mn_noc_adj = {
>   * PL301 nics which are skipped/merged into PL301_MAIN
>   */
>  static struct imx_icc_node_desc nodes[] = {
> -	DEFINE_BUS_INTERCONNECT("NOC", IMX8MN_ICN_NOC, &imx8mn_noc_adj,
> +	DEFINE_BUS_INTERCONNECT("NOC", IMX8MN_ICN_NOC,
>  			IMX8MN_ICS_DRAM, IMX8MN_ICN_MAIN),
>  
> -	DEFINE_BUS_SLAVE("DRAM", IMX8MN_ICS_DRAM, &imx8mn_dram_adj),
> -	DEFINE_BUS_SLAVE("OCRAM", IMX8MN_ICS_OCRAM, NULL),
> +	DEFINE_BUS_SLAVE("DRAM", IMX8MN_ICS_DRAM),
> +	DEFINE_BUS_SLAVE("OCRAM", IMX8MN_ICS_OCRAM),
>  	DEFINE_BUS_MASTER("A53", IMX8MN_ICM_A53, IMX8MN_ICN_NOC),
>  
>  	/* GPUMIX */
>  	DEFINE_BUS_MASTER("GPU", IMX8MN_ICM_GPU, IMX8MN_ICN_GPU),
> -	DEFINE_BUS_INTERCONNECT("PL301_GPU", IMX8MN_ICN_GPU, NULL, IMX8MN_ICN_NOC),
> +	DEFINE_BUS_INTERCONNECT("PL301_GPU", IMX8MN_ICN_GPU, IMX8MN_ICN_NOC),
>  
>  	/* DISPLAYMIX */
>  	DEFINE_BUS_MASTER("CSI1", IMX8MN_ICM_CSI1, IMX8MN_ICN_MIPI),
>  	DEFINE_BUS_MASTER("CSI2", IMX8MN_ICM_CSI2, IMX8MN_ICN_MIPI),
>  	DEFINE_BUS_MASTER("ISI", IMX8MN_ICM_ISI, IMX8MN_ICN_MIPI),
>  	DEFINE_BUS_MASTER("LCDIF", IMX8MN_ICM_LCDIF, IMX8MN_ICN_MIPI),
> -	DEFINE_BUS_INTERCONNECT("PL301_MIPI", IMX8MN_ICN_MIPI, NULL, IMX8MN_ICN_NOC),
> +	DEFINE_BUS_INTERCONNECT("PL301_MIPI", IMX8MN_ICN_MIPI, IMX8MN_ICN_NOC),
>  
>  	/* USB goes straight to NOC */
>  	DEFINE_BUS_MASTER("USB", IMX8MN_ICM_USB, IMX8MN_ICN_NOC),
> @@ -54,11 +42,11 @@ static struct imx_icc_node_desc nodes[] = {
>  	/* Audio */
>  	DEFINE_BUS_MASTER("SDMA2", IMX8MN_ICM_SDMA2, IMX8MN_ICN_AUDIO),
>  	DEFINE_BUS_MASTER("SDMA3", IMX8MN_ICM_SDMA3, IMX8MN_ICN_AUDIO),
> -	DEFINE_BUS_INTERCONNECT("PL301_AUDIO", IMX8MN_ICN_AUDIO, NULL, IMX8MN_ICN_MAIN),
> +	DEFINE_BUS_INTERCONNECT("PL301_AUDIO", IMX8MN_ICN_AUDIO, IMX8MN_ICN_MAIN),
>  
>  	/* Ethernet */
>  	DEFINE_BUS_MASTER("ENET", IMX8MN_ICM_ENET, IMX8MN_ICN_ENET),
> -	DEFINE_BUS_INTERCONNECT("PL301_ENET", IMX8MN_ICN_ENET, NULL, IMX8MN_ICN_MAIN),
> +	DEFINE_BUS_INTERCONNECT("PL301_ENET", IMX8MN_ICN_ENET, IMX8MN_ICN_MAIN),
>  
>  	/* Other */
>  	DEFINE_BUS_MASTER("SDMA1", IMX8MN_ICM_SDMA1, IMX8MN_ICN_MAIN),
> @@ -66,7 +54,7 @@ static struct imx_icc_node_desc nodes[] = {
>  	DEFINE_BUS_MASTER("USDHC1", IMX8MN_ICM_USDHC1, IMX8MN_ICN_MAIN),
>  	DEFINE_BUS_MASTER("USDHC2", IMX8MN_ICM_USDHC2, IMX8MN_ICN_MAIN),
>  	DEFINE_BUS_MASTER("USDHC3", IMX8MN_ICM_USDHC3, IMX8MN_ICN_MAIN),
> -	DEFINE_BUS_INTERCONNECT("PL301_MAIN", IMX8MN_ICN_MAIN, NULL,
> +	DEFINE_BUS_INTERCONNECT("PL301_MAIN", IMX8MN_ICN_MAIN

Please ignore this series. This patch will break the build due to the
period missing at the end of the line. I'll resend V2 right away.

>  			IMX8MN_ICN_NOC, IMX8MN_ICS_OCRAM),
>  };
>  
> diff --git a/drivers/interconnect/imx/imx8mq.c b/drivers/interconnect/imx/imx8mq.c
> index d7768d3c6d8a..b8c36d668946 100644
> --- a/drivers/interconnect/imx/imx8mq.c
> +++ b/drivers/interconnect/imx/imx8mq.c
> @@ -12,18 +12,6 @@
>  
>  #include "imx.h"
>  
> -static const struct imx_icc_node_adj_desc imx8mq_dram_adj = {
> -	.bw_mul = 1,
> -	.bw_div = 4,
> -	.phandle_name = "fsl,ddrc",
> -};
> -
> -static const struct imx_icc_node_adj_desc imx8mq_noc_adj = {
> -	.bw_mul = 1,
> -	.bw_div = 4,
> -	.main_noc = true,
> -};
> -
>  /*
>   * Describe bus masters, slaves and connections between them
>   *
> @@ -31,43 +19,42 @@ static const struct imx_icc_node_adj_desc imx8mq_noc_adj = {
>   * PL301 nics which are skipped/merged into PL301_MAIN
>   */
>  static struct imx_icc_node_desc nodes[] = {
> -	DEFINE_BUS_INTERCONNECT("NOC", IMX8MQ_ICN_NOC, &imx8mq_noc_adj,
> -			IMX8MQ_ICS_DRAM, IMX8MQ_ICN_MAIN),
> +	DEFINE_BUS_INTERCONNECT("NOC", IMX8MQ_ICN_NOC, IMX8MQ_ICS_DRAM, IMX8MQ_ICN_MAIN),
>  
> -	DEFINE_BUS_SLAVE("DRAM", IMX8MQ_ICS_DRAM, &imx8mq_dram_adj),
> -	DEFINE_BUS_SLAVE("OCRAM", IMX8MQ_ICS_OCRAM, NULL),
> +	DEFINE_BUS_SLAVE("DRAM", IMX8MQ_ICS_DRAM),
> +	DEFINE_BUS_SLAVE("OCRAM", IMX8MQ_ICS_OCRAM),
>  	DEFINE_BUS_MASTER("A53", IMX8MQ_ICM_A53, IMX8MQ_ICN_NOC),
>  
>  	/* VPUMIX */
>  	DEFINE_BUS_MASTER("VPU", IMX8MQ_ICM_VPU, IMX8MQ_ICN_VIDEO),
> -	DEFINE_BUS_INTERCONNECT("PL301_VIDEO", IMX8MQ_ICN_VIDEO, NULL, IMX8MQ_ICN_NOC),
> +	DEFINE_BUS_INTERCONNECT("PL301_VIDEO", IMX8MQ_ICN_VIDEO, IMX8MQ_ICN_NOC),
>  
>  	/* GPUMIX */
>  	DEFINE_BUS_MASTER("GPU", IMX8MQ_ICM_GPU, IMX8MQ_ICN_GPU),
> -	DEFINE_BUS_INTERCONNECT("PL301_GPU", IMX8MQ_ICN_GPU, NULL, IMX8MQ_ICN_NOC),
> +	DEFINE_BUS_INTERCONNECT("PL301_GPU", IMX8MQ_ICN_GPU, IMX8MQ_ICN_NOC),
>  
>  	/* DISPMIX (only for DCSS) */
>  	DEFINE_BUS_MASTER("DC", IMX8MQ_ICM_DCSS, IMX8MQ_ICN_DCSS),
> -	DEFINE_BUS_INTERCONNECT("PL301_DC", IMX8MQ_ICN_DCSS, NULL, IMX8MQ_ICN_NOC),
> +	DEFINE_BUS_INTERCONNECT("PL301_DC", IMX8MQ_ICN_DCSS, IMX8MQ_ICN_NOC),
>  
>  	/* USBMIX */
>  	DEFINE_BUS_MASTER("USB1", IMX8MQ_ICM_USB1, IMX8MQ_ICN_USB),
>  	DEFINE_BUS_MASTER("USB2", IMX8MQ_ICM_USB2, IMX8MQ_ICN_USB),
> -	DEFINE_BUS_INTERCONNECT("PL301_USB", IMX8MQ_ICN_USB, NULL, IMX8MQ_ICN_NOC),
> +	DEFINE_BUS_INTERCONNECT("PL301_USB", IMX8MQ_ICN_USB, IMX8MQ_ICN_NOC),
>  
>  	/* PL301_DISPLAY (IPs other than DCSS, inside SUPERMIX) */
>  	DEFINE_BUS_MASTER("CSI1", IMX8MQ_ICM_CSI1, IMX8MQ_ICN_DISPLAY),
>  	DEFINE_BUS_MASTER("CSI2", IMX8MQ_ICM_CSI2, IMX8MQ_ICN_DISPLAY),
>  	DEFINE_BUS_MASTER("LCDIF", IMX8MQ_ICM_LCDIF, IMX8MQ_ICN_DISPLAY),
> -	DEFINE_BUS_INTERCONNECT("PL301_DISPLAY", IMX8MQ_ICN_DISPLAY, NULL, IMX8MQ_ICN_MAIN),
> +	DEFINE_BUS_INTERCONNECT("PL301_DISPLAY", IMX8MQ_ICN_DISPLAY, IMX8MQ_ICN_MAIN),
>  
>  	/* AUDIO */
>  	DEFINE_BUS_MASTER("SDMA2", IMX8MQ_ICM_SDMA2, IMX8MQ_ICN_AUDIO),
> -	DEFINE_BUS_INTERCONNECT("PL301_AUDIO", IMX8MQ_ICN_AUDIO, NULL, IMX8MQ_ICN_DISPLAY),
> +	DEFINE_BUS_INTERCONNECT("PL301_AUDIO", IMX8MQ_ICN_AUDIO, IMX8MQ_ICN_DISPLAY),
>  
>  	/* ENET */
>  	DEFINE_BUS_MASTER("ENET", IMX8MQ_ICM_ENET, IMX8MQ_ICN_ENET),
> -	DEFINE_BUS_INTERCONNECT("PL301_ENET", IMX8MQ_ICN_ENET, NULL, IMX8MQ_ICN_MAIN),
> +	DEFINE_BUS_INTERCONNECT("PL301_ENET", IMX8MQ_ICN_ENET, IMX8MQ_ICN_MAIN),
>  
>  	/* OTHER */
>  	DEFINE_BUS_MASTER("SDMA1", IMX8MQ_ICM_SDMA1, IMX8MQ_ICN_MAIN),
> @@ -76,7 +63,7 @@ static struct imx_icc_node_desc nodes[] = {
>  	DEFINE_BUS_MASTER("USDHC2", IMX8MQ_ICM_USDHC2, IMX8MQ_ICN_MAIN),
>  	DEFINE_BUS_MASTER("PCIE1", IMX8MQ_ICM_PCIE1, IMX8MQ_ICN_MAIN),
>  	DEFINE_BUS_MASTER("PCIE2", IMX8MQ_ICM_PCIE2, IMX8MQ_ICN_MAIN),
> -	DEFINE_BUS_INTERCONNECT("PL301_MAIN", IMX8MQ_ICN_MAIN, NULL,
> +	DEFINE_BUS_INTERCONNECT("PL301_MAIN", IMX8MQ_ICN_MAIN,
>  			IMX8MQ_ICN_NOC, IMX8MQ_ICS_OCRAM),
>  };
>  
> -- 
> 2.31.1
>

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