From: Andre Przywara <andre.przywara@arm.com>
To: Samuel Holland <samuel@sholland.org>
Cc: u-boot@lists.denx.de, Jagan Teki <jagan@amarulasolutions.com>,
Lukasz Majewski <lukma@denx.de>,
Sean Anderson <seanga2@gmail.com>, Bin Meng <bmeng.cn@gmail.com>,
Heinrich Schuchardt <xypron.glpk@gmx.de>,
Maxime Ripard <maxime.ripard@bootlin.com>
Subject: Re: [PATCH 3/7] reset: sunxi: Get the reset count from the CCU descriptor
Date: Sun, 26 Jun 2022 11:51:16 +0100 [thread overview]
Message-ID: <20220626115116.4ba47fd6@slackpad.lan> (raw)
In-Reply-To: <20220509052937.42283-4-samuel@sholland.org>
On Mon, 9 May 2022 00:29:33 -0500
Samuel Holland <samuel@sholland.org> wrote:
> This allows all of the clock drivers to use a common bind function.
Looks good, and a nice cleanup. Added the F1C100s on the way.
> Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Thanks,
Andre
> ---
>
> drivers/clk/sunxi/clk_a10.c | 7 +------
> drivers/clk/sunxi/clk_a10s.c | 7 +------
> drivers/clk/sunxi/clk_a23.c | 7 +------
> drivers/clk/sunxi/clk_a31.c | 7 +------
> drivers/clk/sunxi/clk_a31_r.c | 7 +------
> drivers/clk/sunxi/clk_a64.c | 7 +------
> drivers/clk/sunxi/clk_a80.c | 12 +-----------
> drivers/clk/sunxi/clk_a83t.c | 7 +------
> drivers/clk/sunxi/clk_h3.c | 7 +------
> drivers/clk/sunxi/clk_h6.c | 7 +------
> drivers/clk/sunxi/clk_h616.c | 7 +------
> drivers/clk/sunxi/clk_h6_r.c | 7 +------
> drivers/clk/sunxi/clk_r40.c | 7 +------
> drivers/clk/sunxi/clk_sunxi.c | 5 +++++
> drivers/clk/sunxi/clk_v3s.c | 7 +------
> drivers/reset/reset-sunxi.c | 6 ++----
> include/clk/sunxi.h | 9 +++++++--
> 17 files changed, 28 insertions(+), 95 deletions(-)
>
> diff --git a/drivers/clk/sunxi/clk_a10.c b/drivers/clk/sunxi/clk_a10.c
> index 6b58cffc8a..e5374f6cf0 100644
> --- a/drivers/clk/sunxi/clk_a10.c
> +++ b/drivers/clk/sunxi/clk_a10.c
> @@ -69,11 +69,6 @@ static const struct ccu_desc a10_ccu_desc = {
> .num_resets = ARRAY_SIZE(a10_resets),
> };
>
> -static int a10_clk_bind(struct udevice *dev)
> -{
> - return sunxi_reset_bind(dev, ARRAY_SIZE(a10_resets));
> -}
> -
> static const struct udevice_id a10_ccu_ids[] = {
> { .compatible = "allwinner,sun4i-a10-ccu",
> .data = (ulong)&a10_ccu_desc },
> @@ -89,5 +84,5 @@ U_BOOT_DRIVER(clk_sun4i_a10) = {
> .priv_auto = sizeof(struct ccu_priv),
> .ops = &sunxi_clk_ops,
> .probe = sunxi_clk_probe,
> - .bind = a10_clk_bind,
> + .bind = sunxi_clk_bind,
> };
> diff --git a/drivers/clk/sunxi/clk_a10s.c b/drivers/clk/sunxi/clk_a10s.c
> index 81b146ce1e..07d518c121 100644
> --- a/drivers/clk/sunxi/clk_a10s.c
> +++ b/drivers/clk/sunxi/clk_a10s.c
> @@ -54,11 +54,6 @@ static const struct ccu_desc a10s_ccu_desc = {
> .num_resets = ARRAY_SIZE(a10s_resets),
> };
>
> -static int a10s_clk_bind(struct udevice *dev)
> -{
> - return sunxi_reset_bind(dev, ARRAY_SIZE(a10s_resets));
> -}
> -
> static const struct udevice_id a10s_ccu_ids[] = {
> { .compatible = "allwinner,sun5i-a10s-ccu",
> .data = (ulong)&a10s_ccu_desc },
> @@ -74,5 +69,5 @@ U_BOOT_DRIVER(clk_sun5i_a10s) = {
> .priv_auto = sizeof(struct ccu_priv),
> .ops = &sunxi_clk_ops,
> .probe = sunxi_clk_probe,
> - .bind = a10s_clk_bind,
> + .bind = sunxi_clk_bind,
> };
> diff --git a/drivers/clk/sunxi/clk_a23.c b/drivers/clk/sunxi/clk_a23.c
> index c7c78bc7d8..9c0e5db07c 100644
> --- a/drivers/clk/sunxi/clk_a23.c
> +++ b/drivers/clk/sunxi/clk_a23.c
> @@ -73,11 +73,6 @@ static const struct ccu_desc a23_ccu_desc = {
> .num_resets = ARRAY_SIZE(a23_resets),
> };
>
> -static int a23_clk_bind(struct udevice *dev)
> -{
> - return sunxi_reset_bind(dev, ARRAY_SIZE(a23_resets));
> -}
> -
> static const struct udevice_id a23_clk_ids[] = {
> { .compatible = "allwinner,sun8i-a23-ccu",
> .data = (ulong)&a23_ccu_desc },
> @@ -93,5 +88,5 @@ U_BOOT_DRIVER(clk_sun8i_a23) = {
> .priv_auto = sizeof(struct ccu_priv),
> .ops = &sunxi_clk_ops,
> .probe = sunxi_clk_probe,
> - .bind = a23_clk_bind,
> + .bind = sunxi_clk_bind,
> };
> diff --git a/drivers/clk/sunxi/clk_a31.c b/drivers/clk/sunxi/clk_a31.c
> index c8c7f4ecf5..3d0767e290 100644
> --- a/drivers/clk/sunxi/clk_a31.c
> +++ b/drivers/clk/sunxi/clk_a31.c
> @@ -94,11 +94,6 @@ static const struct ccu_desc a31_ccu_desc = {
> .num_resets = ARRAY_SIZE(a31_resets),
> };
>
> -static int a31_clk_bind(struct udevice *dev)
> -{
> - return sunxi_reset_bind(dev, ARRAY_SIZE(a31_resets));
> -}
> -
> static const struct udevice_id a31_clk_ids[] = {
> { .compatible = "allwinner,sun6i-a31-ccu",
> .data = (ulong)&a31_ccu_desc },
> @@ -112,5 +107,5 @@ U_BOOT_DRIVER(clk_sun6i_a31) = {
> .priv_auto = sizeof(struct ccu_priv),
> .ops = &sunxi_clk_ops,
> .probe = sunxi_clk_probe,
> - .bind = a31_clk_bind,
> + .bind = sunxi_clk_bind,
> };
> diff --git a/drivers/clk/sunxi/clk_a31_r.c b/drivers/clk/sunxi/clk_a31_r.c
> index 7bf1c4578c..04c238204d 100644
> --- a/drivers/clk/sunxi/clk_a31_r.c
> +++ b/drivers/clk/sunxi/clk_a31_r.c
> @@ -35,11 +35,6 @@ static const struct ccu_desc a31_r_ccu_desc = {
> .num_resets = ARRAY_SIZE(a31_r_resets),
> };
>
> -static int a31_r_clk_bind(struct udevice *dev)
> -{
> - return sunxi_reset_bind(dev, ARRAY_SIZE(a31_r_resets));
> -}
> -
> static const struct udevice_id a31_r_clk_ids[] = {
> { .compatible = "allwinner,sun8i-a83t-r-ccu",
> .data = (ulong)&a31_r_ccu_desc },
> @@ -57,5 +52,5 @@ U_BOOT_DRIVER(clk_sun6i_a31_r) = {
> .priv_auto = sizeof(struct ccu_priv),
> .ops = &sunxi_clk_ops,
> .probe = sunxi_clk_probe,
> - .bind = a31_r_clk_bind,
> + .bind = sunxi_clk_bind,
> };
> diff --git a/drivers/clk/sunxi/clk_a64.c b/drivers/clk/sunxi/clk_a64.c
> index 6da861ddc1..b41260cbe6 100644
> --- a/drivers/clk/sunxi/clk_a64.c
> +++ b/drivers/clk/sunxi/clk_a64.c
> @@ -80,11 +80,6 @@ static const struct ccu_desc a64_ccu_desc = {
> .num_resets = ARRAY_SIZE(a64_resets),
> };
>
> -static int a64_clk_bind(struct udevice *dev)
> -{
> - return sunxi_reset_bind(dev, ARRAY_SIZE(a64_resets));
> -}
> -
> static const struct udevice_id a64_ccu_ids[] = {
> { .compatible = "allwinner,sun50i-a64-ccu",
> .data = (ulong)&a64_ccu_desc },
> @@ -98,5 +93,5 @@ U_BOOT_DRIVER(clk_sun50i_a64) = {
> .priv_auto = sizeof(struct ccu_priv),
> .ops = &sunxi_clk_ops,
> .probe = sunxi_clk_probe,
> - .bind = a64_clk_bind,
> + .bind = sunxi_clk_bind,
> };
> diff --git a/drivers/clk/sunxi/clk_a80.c b/drivers/clk/sunxi/clk_a80.c
> index 7025d3cbe6..a3ad3b7804 100644
> --- a/drivers/clk/sunxi/clk_a80.c
> +++ b/drivers/clk/sunxi/clk_a80.c
> @@ -86,16 +86,6 @@ static const struct ccu_desc a80_mmc_clk_desc = {
> .num_resets = ARRAY_SIZE(a80_mmc_resets),
> };
>
> -static int a80_clk_bind(struct udevice *dev)
> -{
> - ulong count = ARRAY_SIZE(a80_resets);
> -
> - if (device_is_compatible(dev, "allwinner,sun9i-a80-mmc-config-clk"))
> - count = ARRAY_SIZE(a80_mmc_resets);
> -
> - return sunxi_reset_bind(dev, count);
> -}
> -
> static const struct udevice_id a80_ccu_ids[] = {
> { .compatible = "allwinner,sun9i-a80-ccu",
> .data = (ulong)&a80_ccu_desc },
> @@ -111,5 +101,5 @@ U_BOOT_DRIVER(clk_sun9i_a80) = {
> .priv_auto = sizeof(struct ccu_priv),
> .ops = &sunxi_clk_ops,
> .probe = sunxi_clk_probe,
> - .bind = a80_clk_bind,
> + .bind = sunxi_clk_bind,
> };
> diff --git a/drivers/clk/sunxi/clk_a83t.c b/drivers/clk/sunxi/clk_a83t.c
> index c50d253f84..cad5b484cf 100644
> --- a/drivers/clk/sunxi/clk_a83t.c
> +++ b/drivers/clk/sunxi/clk_a83t.c
> @@ -77,11 +77,6 @@ static const struct ccu_desc a83t_ccu_desc = {
> .num_resets = ARRAY_SIZE(a83t_resets),
> };
>
> -static int a83t_clk_bind(struct udevice *dev)
> -{
> - return sunxi_reset_bind(dev, ARRAY_SIZE(a83t_resets));
> -}
> -
> static const struct udevice_id a83t_clk_ids[] = {
> { .compatible = "allwinner,sun8i-a83t-ccu",
> .data = (ulong)&a83t_ccu_desc },
> @@ -95,5 +90,5 @@ U_BOOT_DRIVER(clk_sun8i_a83t) = {
> .priv_auto = sizeof(struct ccu_priv),
> .ops = &sunxi_clk_ops,
> .probe = sunxi_clk_probe,
> - .bind = a83t_clk_bind,
> + .bind = sunxi_clk_bind,
> };
> diff --git a/drivers/clk/sunxi/clk_h3.c b/drivers/clk/sunxi/clk_h3.c
> index 22c2b236a8..3b4e9af111 100644
> --- a/drivers/clk/sunxi/clk_h3.c
> +++ b/drivers/clk/sunxi/clk_h3.c
> @@ -93,11 +93,6 @@ static const struct ccu_desc h3_ccu_desc = {
> .num_resets = ARRAY_SIZE(h3_resets),
> };
>
> -static int h3_clk_bind(struct udevice *dev)
> -{
> - return sunxi_reset_bind(dev, ARRAY_SIZE(h3_resets));
> -}
> -
> static const struct udevice_id h3_ccu_ids[] = {
> { .compatible = "allwinner,sun8i-h3-ccu",
> .data = (ulong)&h3_ccu_desc },
> @@ -113,5 +108,5 @@ U_BOOT_DRIVER(clk_sun8i_h3) = {
> .priv_auto = sizeof(struct ccu_priv),
> .ops = &sunxi_clk_ops,
> .probe = sunxi_clk_probe,
> - .bind = h3_clk_bind,
> + .bind = sunxi_clk_bind,
> };
> diff --git a/drivers/clk/sunxi/clk_h6.c b/drivers/clk/sunxi/clk_h6.c
> index 6521811215..93343b090d 100644
> --- a/drivers/clk/sunxi/clk_h6.c
> +++ b/drivers/clk/sunxi/clk_h6.c
> @@ -94,11 +94,6 @@ static const struct ccu_desc h6_ccu_desc = {
> .num_resets = ARRAY_SIZE(h6_resets),
> };
>
> -static int h6_clk_bind(struct udevice *dev)
> -{
> - return sunxi_reset_bind(dev, ARRAY_SIZE(h6_resets));
> -}
> -
> static const struct udevice_id h6_ccu_ids[] = {
> { .compatible = "allwinner,sun50i-h6-ccu",
> .data = (ulong)&h6_ccu_desc },
> @@ -112,5 +107,5 @@ U_BOOT_DRIVER(clk_sun50i_h6) = {
> .priv_auto = sizeof(struct ccu_priv),
> .ops = &sunxi_clk_ops,
> .probe = sunxi_clk_probe,
> - .bind = h6_clk_bind,
> + .bind = sunxi_clk_bind,
> };
> diff --git a/drivers/clk/sunxi/clk_h616.c b/drivers/clk/sunxi/clk_h616.c
> index 26f74c0fa0..e791736093 100644
> --- a/drivers/clk/sunxi/clk_h616.c
> +++ b/drivers/clk/sunxi/clk_h616.c
> @@ -112,11 +112,6 @@ static const struct ccu_desc h616_ccu_desc = {
> .num_resets = ARRAY_SIZE(h616_resets),
> };
>
> -static int h616_clk_bind(struct udevice *dev)
> -{
> - return sunxi_reset_bind(dev, ARRAY_SIZE(h616_resets));
> -}
> -
> static const struct udevice_id h616_ccu_ids[] = {
> { .compatible = "allwinner,sun50i-h616-ccu",
> .data = (ulong)&h616_ccu_desc },
> @@ -130,5 +125,5 @@ U_BOOT_DRIVER(clk_sun50i_h616) = {
> .priv_auto = sizeof(struct ccu_priv),
> .ops = &sunxi_clk_ops,
> .probe = sunxi_clk_probe,
> - .bind = h616_clk_bind,
> + .bind = sunxi_clk_bind,
> };
> diff --git a/drivers/clk/sunxi/clk_h6_r.c b/drivers/clk/sunxi/clk_h6_r.c
> index fee9604551..0f5cefd687 100644
> --- a/drivers/clk/sunxi/clk_h6_r.c
> +++ b/drivers/clk/sunxi/clk_h6_r.c
> @@ -39,11 +39,6 @@ static const struct ccu_desc h6_r_ccu_desc = {
> .num_resets = ARRAY_SIZE(h6_r_resets),
> };
>
> -static int h6_r_clk_bind(struct udevice *dev)
> -{
> - return sunxi_reset_bind(dev, ARRAY_SIZE(h6_r_resets));
> -}
> -
> static const struct udevice_id h6_r_clk_ids[] = {
> { .compatible = "allwinner,sun50i-h6-r-ccu",
> .data = (ulong)&h6_r_ccu_desc },
> @@ -59,5 +54,5 @@ U_BOOT_DRIVER(clk_sun6i_h6_r) = {
> .priv_auto = sizeof(struct ccu_priv),
> .ops = &sunxi_clk_ops,
> .probe = sunxi_clk_probe,
> - .bind = h6_r_clk_bind,
> + .bind = sunxi_clk_bind,
> };
> diff --git a/drivers/clk/sunxi/clk_r40.c b/drivers/clk/sunxi/clk_r40.c
> index 456a38a159..a59ac06975 100644
> --- a/drivers/clk/sunxi/clk_r40.c
> +++ b/drivers/clk/sunxi/clk_r40.c
> @@ -104,11 +104,6 @@ static const struct ccu_desc r40_ccu_desc = {
> .num_resets = ARRAY_SIZE(r40_resets),
> };
>
> -static int r40_clk_bind(struct udevice *dev)
> -{
> - return sunxi_reset_bind(dev, ARRAY_SIZE(r40_resets));
> -}
> -
> static const struct udevice_id r40_clk_ids[] = {
> { .compatible = "allwinner,sun8i-r40-ccu",
> .data = (ulong)&r40_ccu_desc },
> @@ -122,5 +117,5 @@ U_BOOT_DRIVER(clk_sun8i_r40) = {
> .priv_auto = sizeof(struct ccu_priv),
> .ops = &sunxi_clk_ops,
> .probe = sunxi_clk_probe,
> - .bind = r40_clk_bind,
> + .bind = sunxi_clk_bind,
> };
> diff --git a/drivers/clk/sunxi/clk_sunxi.c b/drivers/clk/sunxi/clk_sunxi.c
> index 3108e5b66d..e1129f6ccf 100644
> --- a/drivers/clk/sunxi/clk_sunxi.c
> +++ b/drivers/clk/sunxi/clk_sunxi.c
> @@ -64,6 +64,11 @@ struct clk_ops sunxi_clk_ops = {
> .disable = sunxi_clk_disable,
> };
>
> +int sunxi_clk_bind(struct udevice *dev)
> +{
> + return sunxi_reset_bind(dev);
> +}
> +
> int sunxi_clk_probe(struct udevice *dev)
> {
> struct ccu_priv *priv = dev_get_priv(dev);
> diff --git a/drivers/clk/sunxi/clk_v3s.c b/drivers/clk/sunxi/clk_v3s.c
> index ab21cd791b..c6a17b4535 100644
> --- a/drivers/clk/sunxi/clk_v3s.c
> +++ b/drivers/clk/sunxi/clk_v3s.c
> @@ -54,11 +54,6 @@ static const struct ccu_desc v3s_ccu_desc = {
> .num_resets = ARRAY_SIZE(v3s_resets),
> };
>
> -static int v3s_clk_bind(struct udevice *dev)
> -{
> - return sunxi_reset_bind(dev, ARRAY_SIZE(v3s_resets));
> -}
> -
> static const struct udevice_id v3s_clk_ids[] = {
> { .compatible = "allwinner,sun8i-v3s-ccu",
> .data = (ulong)&v3s_ccu_desc },
> @@ -74,5 +69,5 @@ U_BOOT_DRIVER(clk_sun8i_v3s) = {
> .priv_auto = sizeof(struct ccu_priv),
> .ops = &sunxi_clk_ops,
> .probe = sunxi_clk_probe,
> - .bind = v3s_clk_bind,
> + .bind = sunxi_clk_bind,
> };
> diff --git a/drivers/reset/reset-sunxi.c b/drivers/reset/reset-sunxi.c
> index 8b95938dfe..4d02d02834 100644
> --- a/drivers/reset/reset-sunxi.c
> +++ b/drivers/reset/reset-sunxi.c
> @@ -19,7 +19,6 @@
>
> struct sunxi_reset_priv {
> void *base;
> - ulong count;
> const struct ccu_desc *desc;
> };
>
> @@ -35,7 +34,7 @@ static int sunxi_reset_request(struct reset_ctl *reset_ctl)
>
> debug("%s: (RST#%ld)\n", __func__, reset_ctl->id);
>
> - if (reset_ctl->id >= priv->count)
> + if (reset_ctl->id >= priv->desc->num_resets)
> return -EINVAL;
>
> return 0;
> @@ -99,7 +98,7 @@ static int sunxi_reset_probe(struct udevice *dev)
> return 0;
> }
>
> -int sunxi_reset_bind(struct udevice *dev, ulong count)
> +int sunxi_reset_bind(struct udevice *dev)
> {
> struct udevice *rst_dev;
> struct sunxi_reset_priv *priv;
> @@ -112,7 +111,6 @@ int sunxi_reset_bind(struct udevice *dev, ulong count)
> return ret;
> }
> priv = malloc(sizeof(struct sunxi_reset_priv));
> - priv->count = count;
> priv->desc = (const struct ccu_desc *)dev_get_driver_data(dev);
> dev_set_priv(rst_dev, priv);
>
> diff --git a/include/clk/sunxi.h b/include/clk/sunxi.h
> index 5471b9c831..c798c226f5 100644
> --- a/include/clk/sunxi.h
> +++ b/include/clk/sunxi.h
> @@ -80,6 +80,12 @@ struct ccu_priv {
> const struct ccu_desc *desc;
> };
>
> +/**
> + * sunxi_clk_bind - common sunxi clock bind
> + * @dev: clock device
> + */
> +int sunxi_clk_bind(struct udevice *dev);
> +
> /**
> * sunxi_clk_probe - common sunxi clock probe
> * @dev: clock device
> @@ -92,9 +98,8 @@ extern struct clk_ops sunxi_clk_ops;
> * sunxi_reset_bind() - reset binding
> *
> * @dev: reset device
> - * @count: reset count
> * Return: 0 success, or error value
> */
> -int sunxi_reset_bind(struct udevice *dev, ulong count);
> +int sunxi_reset_bind(struct udevice *dev);
>
> #endif /* _CLK_SUNXI_H */
next prev parent reply other threads:[~2022-06-27 0:48 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-09 5:29 [PATCH 0/7] clk: sunxi: Out-of-bounds access fix and driver cleanup Samuel Holland
2022-05-09 5:29 ` [PATCH 1/7] clk: sunxi: Store the array sizes in the CCU descriptor Samuel Holland
2022-06-25 17:10 ` Andre Przywara
2022-05-09 5:29 ` [PATCH 2/7] clk: sunxi: Prevent out-of-bounds gate array access Samuel Holland
2022-06-26 10:43 ` Andre Przywara
2022-05-09 5:29 ` [PATCH 3/7] reset: sunxi: Get the reset count from the CCU descriptor Samuel Holland
2022-06-26 10:51 ` Andre Przywara [this message]
2022-05-09 5:29 ` [PATCH 4/7] clk: sunxi: Use a single driver for all variants Samuel Holland
2022-06-27 0:43 ` Andre Przywara
2022-05-09 5:29 ` [PATCH 5/7] clk: sunxi: Convert driver private data to platform data Samuel Holland
2022-06-27 19:34 ` Andre Przywara
2022-05-09 5:29 ` [PATCH 6/7] reset: " Samuel Holland
2022-06-27 19:41 ` Andre Przywara
2022-05-09 5:29 ` [PATCH 7/7] reset: sunxi: Reuse the platform data from the clock driver Samuel Holland
2022-06-27 23:45 ` Andre Przywara
2022-05-10 23:24 ` [PATCH 0/7] clk: sunxi: Out-of-bounds access fix and driver cleanup Andre Przywara
2022-05-11 15:48 ` Sean Anderson
2022-06-28 0:40 ` Andre Przywara
2022-06-28 2:45 ` Samuel Holland
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