linux-kernel - Re: [PATCH 17/89] clk: bcm: rpi: Pass the clocks data to the firmware function

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Date:   Thu, 12 Mar 2020 18:09:37 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Eric Anholt <eric@...olt.net>, Maxime Ripard <maxime@...no.tech>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
Cc:     dri-devel@...ts.freedesktop.org,
        linux-rpi-kernel@...ts.infradead.org,
        bcm-kernel-feedback-list@...adcom.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        Tim Gover <tim.gover@...pberrypi.com>,
        Phil Elwell <phil@...pberrypi.com>,
        Maxime Ripard <maxime@...no.tech>,
        Michael Turquette <mturquette@...libre.com>,
        linux-clk@...r.kernel.org
Subject: Re: [PATCH 17/89] clk: bcm: rpi: Pass the clocks data to the firmware function

Quoting Maxime Ripard (2020-02-24 01:06:19)
> The raspberry_clock_property only takes the clock ID as an argument, but
> now that we have a clock data structure it makes more sense to just pass
> that structure instead.
> 
> Cc: Michael Turquette <mturquette@...libre.com>
> Cc: Stephen Boyd <sboyd@...nel.org>
> Cc: linux-clk@...r.kernel.org
> Signed-off-by: Maxime Ripard <maxime@...no.tech>
> ---
>  drivers/clk/bcm/clk-raspberrypi.c | 29 ++++++++++++++---------------
>  1 file changed, 14 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-raspberrypi.c
> index e796dabbc641..3b2da62a72f5 100644
> --- a/drivers/clk/bcm/clk-raspberrypi.c
> +++ b/drivers/clk/bcm/clk-raspberrypi.c
> @@ -67,11 +67,12 @@ struct raspberrypi_firmware_prop {
>         __le32 disable_turbo;
>  } __packed;
>  
> -static int raspberrypi_clock_property(struct rpi_firmware *firmware, u32 tag,
> -                                     u32 clk, u32 *val)
> +static int raspberrypi_clock_property(struct rpi_firmware *firmware,
> +                                     struct raspberrypi_clk_data *data,

Can data be const?

> +                                     u32 tag, u32 *val)
>  {
>         struct raspberrypi_firmware_prop msg = {
> -               .id = cpu_to_le32(clk),
> +               .id = cpu_to_le32(data->id),
>                 .val = cpu_to_le32(*val),
>                 .disable_turbo = cpu_to_le32(1),
>         };