linux-kernel - Re: [PATCH net-next v6 8/8] mfd: zl3073x: Register DPLL sub-device during init

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Message-ID: <20250501132201.GP1567507@google.com>
Date: Thu, 1 May 2025 14:22:01 +0100
From: Lee Jones <lee@...nel.org>
To: Ivan Vecera <ivecera@...hat.com>
Cc: netdev@...r.kernel.org, Vadim Fedorenko <vadim.fedorenko@...ux.dev>,
	Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>,
	Jiri Pirko <jiri@...nulli.us>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Prathosh Satish <Prathosh.Satish@...rochip.com>,
	"David S. Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>, Andy Shevchenko <andy@...nel.org>,
	Michal Schmidt <mschmidt@...hat.com>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org
Subject: Re: [PATCH net-next v6 8/8] mfd: zl3073x: Register DPLL sub-device
 during init

On Wed, 30 Apr 2025, Ivan Vecera wrote:

> Register DPLL sub-devices to expose the functionality provided
> by ZL3073x chip family. Each sub-device represents one of
> the available DPLL channels.
> 
> Signed-off-by: Ivan Vecera <ivecera@...hat.com>
> ---
> v4->v6:
> * no change
> v3->v4:
> * use static mfd cells
> ---
>  drivers/mfd/zl3073x-core.c | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 
> diff --git a/drivers/mfd/zl3073x-core.c b/drivers/mfd/zl3073x-core.c
> index 050dc57c90c3..3e665cdf228f 100644
> --- a/drivers/mfd/zl3073x-core.c
> +++ b/drivers/mfd/zl3073x-core.c
> @@ -7,6 +7,7 @@
>  #include <linux/device.h>
>  #include <linux/export.h>
>  #include <linux/math64.h>
> +#include <linux/mfd/core.h>
>  #include <linux/mfd/zl3073x.h>
>  #include <linux/module.h>
>  #include <linux/netlink.h>
> @@ -755,6 +756,14 @@ static void zl3073x_devlink_unregister(void *ptr)
>  	devlink_unregister(ptr);
>  }
>  
> +static const struct mfd_cell zl3073x_dpll_cells[] = {
> +	MFD_CELL_BASIC("zl3073x-dpll", NULL, NULL, 0, 0),
> +	MFD_CELL_BASIC("zl3073x-dpll", NULL, NULL, 0, 1),
> +	MFD_CELL_BASIC("zl3073x-dpll", NULL, NULL, 0, 2),
> +	MFD_CELL_BASIC("zl3073x-dpll", NULL, NULL, 0, 3),
> +	MFD_CELL_BASIC("zl3073x-dpll", NULL, NULL, 0, 4),
> +};

What other devices / subsystems will be involved when this is finished?

-- 
Lee Jones [李琼斯]