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[dm][clk][rockchip] fixup rockchip clk

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Signed-off-by: GuEe-GUI <2991707448@qq.com>
This commit is contained in:
GuEe-GUI
2026-03-24 20:51:22 +08:00
committed by Rbb666
parent 25295501c0
commit e41c7ccf88
3 changed files with 49 additions and 7 deletions
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14
bsp/rockchip/dm/clk/clk-rk-gate.h
View File

@@ -27,6 +27,20 @@
.gate_flags = gf, \
}
#define GATE_NO_SET_RATE(_id, cname, pname, f, o, b, gf) \
(void *)&(struct rockchip_clk_cell) \
{ \
.cell.name = cname, \
.cell.ops = &rockchip_gate_clk_ops, \
.cell.parent_name = pname, \
.cell.parents_nr = 1, \
.cell.flags = f | RT_CLK_F_SET_RATE_PARENT, \
.id = _id, \
.gate_offset = o, \
.gate_shift = b, \
.gate_flags = gf, \
}
extern const struct rt_clk_ops rockchip_gate_clk_ops;
#endif /* __CLK_RK_GATE_H__ */

1
bsp/rockchip/dm/clk/clk-rk-half-divider.h
View File

@@ -83,6 +83,7 @@ struct rockchip_half_divider_clk_cell
}
#define COMPOSITE_NOMUX_HALFDIV(_id, cname, pname, f, mo, ds, dw, df, go, gs, gf) \
(void *)&(struct rockchip_half_divider_clk_cell) \
{ \
.rk_cell.cell.name = cname, \
.rk_cell.cell.parent_name = pname, \

37
components/drivers/clk/clk-scmi.c
View File

@@ -230,7 +230,7 @@ static rt_err_t scmi_clk_probe(struct rt_scmi_device *sdev)
for (int id = 0; id < cell_count; ++id)
{
const char *clk_name;
rt_uint32_t flags, rates_nr, rate_discrete;
rt_uint32_t flags, rate_discrete;
in.id = rt_cpu_to_le32(id);
in.rate_index = rt_cpu_to_le32(0);
@@ -242,7 +242,6 @@ static rt_err_t scmi_clk_probe(struct rt_scmi_device *sdev)
}
flags = rt_le32_to_cpu(out->num_rates_flags);
rates_nr = SCMI_NUM_REMAINING(flags);
rate_discrete = SCMI_RATE_DISCRETE(flags);
if (rate_discrete)
@@ -263,12 +262,40 @@ static rt_err_t scmi_clk_probe(struct rt_scmi_device *sdev)
if (rate_discrete)
{
for (int i = 0; i < rates_nr; ++i)
/*
* SCMI: [11:0] = rates in this message, [31:16] = remaining to query.
* Using REMAINING as the copy count overflows rates[] and corrupts heap.
*/
int idx = 0;
for (;;)
{
clk_data->info.list.rates[i] = SCMI_RATE_TO_U64(out->rate[i]);
rt_uint32_t nr = SCMI_NUM_RETURNED(flags);
rt_uint32_t remaining = SCMI_NUM_REMAINING(flags);
for (rt_uint32_t i = 0; i < nr && idx < SCMI_MAX_NUM_RATES; ++i, ++idx)
{
clk_data->info.list.rates[idx] = SCMI_RATE_TO_U64(out->rate[i]);
}
clk_data->info.list.rates_nr = rates_nr;
if (remaining == 0 || idx >= SCMI_MAX_NUM_RATES)
{
break;
}
in.rate_index = rt_cpu_to_le32(idx);
msg = RT_SCMI_MSG_RAW(SCMI_CLOCK_DESCRIBE_RATES, &in, sizeof(in), out, out_size);
if ((err = rt_scmi_process_msg(sclk->sdev, &msg)))
{
rt_free(clk_data);
goto _fail;
}
flags = rt_le32_to_cpu(out->num_rates_flags);
}
clk_data->info.list.rates_nr = idx;
}
else
{