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clk: rockchip: rk3588: fix CLK_NR_CLKS usage

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CLK_NR_CLKS is not part of the DT bindings and needs to be removed
from it, just like it recently happened for other platforms. This
takes care of it by introducing a new function identifying the
maximum used clock ID at runtime.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20240126182919.48402-2-sebastian.reichel@collabora.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Sebastian Reichel 2024-01-26 19:18:22 +01:00 committed by Heiko Stuebner
parent 6613476e22
commit 2dc66a5ab2
3 changed files with 23 additions and 1 deletions
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5
drivers/clk/rockchip/clk-rk3588.c
View File

@ -2458,15 +2458,18 @@ static struct rockchip_clk_branch rk3588_clk_branches[] __initdata = {
static void __init rk3588_clk_init(struct device_node *np)
{
struct rockchip_clk_provider *ctx;
unsigned long clk_nr_clks;
void __iomem *reg_base;
clk_nr_clks = rockchip_clk_find_max_clk_id(rk3588_clk_branches,
ARRAY_SIZE(rk3588_clk_branches)) + 1;
reg_base = of_iomap(np, 0);
if (!reg_base) {
pr_err("%s: could not map cru region\n", __func__);
return;
}
ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
ctx = rockchip_clk_init(np, reg_base, clk_nr_clks);
if (IS_ERR(ctx)) {
pr_err("%s: rockchip clk init failed\n", __func__);
iounmap(reg_base);

17
drivers/clk/rockchip/clk.c
View File

@ -429,6 +429,23 @@ void rockchip_clk_register_plls(struct rockchip_clk_provider *ctx,
}
EXPORT_SYMBOL_GPL(rockchip_clk_register_plls);
unsigned long rockchip_clk_find_max_clk_id(struct rockchip_clk_branch *list,
unsigned int nr_clk)
{
unsigned long max = 0;
unsigned int idx;
for (idx = 0; idx < nr_clk; idx++, list++) {
if (list->id > max)
max = list->id;
if (list->child && list->child->id > max)
max = list->id;
}
return max;
}
EXPORT_SYMBOL_GPL(rockchip_clk_find_max_clk_id);
void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx,
struct rockchip_clk_branch *list,
unsigned int nr_clk)

2
drivers/clk/rockchip/clk.h
View File

@ -973,6 +973,8 @@ struct rockchip_clk_provider *rockchip_clk_init(struct device_node *np,
void __iomem *base, unsigned long nr_clks);
void rockchip_clk_of_add_provider(struct device_node *np,
struct rockchip_clk_provider *ctx);
unsigned long rockchip_clk_find_max_clk_id(struct rockchip_clk_branch *list,
unsigned int nr_clk);
void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx,
struct rockchip_clk_branch *list,
unsigned int nr_clk);