[PATCH 1/5] cpufreq: ti: Add EPROBE_DEFER for K3 SoCs

Akashdeep Kaur
2026-03-30T12:01:22Z

Defer probe when k3-socinfo hasn't registered the SoC device yet.
Fixes incorrect revision detection when ti-cpufreq probes first.

Signed-off-by: Akashdeep Kaur <a-kaur@ti.com>
---
drivers/cpufreq/ti-cpufreq.c | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/drivers/cpufreq/ti-cpufreq.c b/drivers/cpufreq/ti-cpufreq.c
index 3d1129aeed02..88f7912ef6a8 100644
--- a/drivers/cpufreq/ti-cpufreq.c
+++ b/drivers/cpufreq/ti-cpufreq.c
@@ -441,6 +441,15 @@ static int ti_cpufreq_get_rev(struct ti_cpufreq_data *opp_data,
*/
*revision_value = 0x1;
goto done;
+ } else if (opp_data->soc_data == &am625_soc_data ||
+ opp_data->soc_data == &am62a7_soc_data ||
+ opp_data->soc_data == &am62l3_soc_data ||
+ opp_data->soc_data == &am62p5_soc_data) {
+ /*
+ * For K3 SoCs, if soc_device_match fails, socinfo hasn't
+ * probed yet. Defer probe to wait for it.
+ */
+ return -EPROBE_DEFER;
}

ret = regmap_read(opp_data->syscon, opp_data->soc_data->rev_offset,
--
2.34.1