[PATCH] soc: qcom: pmic_glink: Fix boot when QRTR=m

From: Rob Clark
Date: Wed Dec 13 2023 - 16:09:09 EST


From: Rob Clark <robdclark@xxxxxxxxxxxx>

We need to bail out before adding/removing devices, if we are going
to -EPROBE_DEFER. Otherwise boot will get stuck forever at
deferred_probe_initcall().

Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
---
drivers/soc/qcom/pmic_glink.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/soc/qcom/pmic_glink.c b/drivers/soc/qcom/pmic_glink.c
index 914057331afd..2899746af6a6 100644
--- a/drivers/soc/qcom/pmic_glink.c
+++ b/drivers/soc/qcom/pmic_glink.c
@@ -268,10 +268,16 @@ static int pmic_glink_probe(struct platform_device *pdev)
else
pg->client_mask = PMIC_GLINK_CLIENT_DEFAULT;

+ pg->pdr = pdr_handle_alloc(pmic_glink_pdr_callback, pg);
+ if (IS_ERR(pg->pdr)) {
+ ret = dev_err_probe(&pdev->dev, PTR_ERR(pg->pdr), "failed to initialize pdr\n");
+ return ret;
+ }
+
if (pg->client_mask & BIT(PMIC_GLINK_CLIENT_UCSI)) {
ret = pmic_glink_add_aux_device(pg, &pg->ucsi_aux, "ucsi");
if (ret)
- return ret;
+ goto out_release_pdr_handle;
}
if (pg->client_mask & BIT(PMIC_GLINK_CLIENT_ALTMODE)) {
ret = pmic_glink_add_aux_device(pg, &pg->altmode_aux, "altmode");
@@ -284,17 +290,11 @@ static int pmic_glink_probe(struct platform_device *pdev)
goto out_release_altmode_aux;
}

- pg->pdr = pdr_handle_alloc(pmic_glink_pdr_callback, pg);
- if (IS_ERR(pg->pdr)) {
- ret = dev_err_probe(&pdev->dev, PTR_ERR(pg->pdr), "failed to initialize pdr\n");
- goto out_release_aux_devices;
- }
-
service = pdr_add_lookup(pg->pdr, "tms/servreg", "msm/adsp/charger_pd");
if (IS_ERR(service)) {
ret = dev_err_probe(&pdev->dev, PTR_ERR(service),
"failed adding pdr lookup for charger_pd\n");
- goto out_release_pdr_handle;
+ goto out_release_aux_devices;
}

mutex_lock(&__pmic_glink_lock);
@@ -303,8 +303,6 @@ static int pmic_glink_probe(struct platform_device *pdev)

return 0;

-out_release_pdr_handle:
- pdr_handle_release(pg->pdr);
out_release_aux_devices:
if (pg->client_mask & BIT(PMIC_GLINK_CLIENT_BATT))
pmic_glink_del_aux_device(pg, &pg->ps_aux);
@@ -314,6 +312,8 @@ static int pmic_glink_probe(struct platform_device *pdev)
out_release_ucsi_aux:
if (pg->client_mask & BIT(PMIC_GLINK_CLIENT_UCSI))
pmic_glink_del_aux_device(pg, &pg->ucsi_aux);
+out_release_pdr_handle:
+ pdr_handle_release(pg->pdr);

return ret;
}
--
2.43.0