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remoteproc: qcom_wcnss: Fix on platforms without fallback regulators

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[ Upstream commit 4ca45af0a56d00b86285d6fdd720dca3215059a7 ]

Recent change to handle platforms with only single power domain broke
pronto-v3 which requires power domains and doesn't have fallback voltage
regulators in case power domains are missing. Add a check to verify
the number of fallback voltage regulators before using the code which
handles single power domain situation.

Fixes: 65991ea8a6d1 ("remoteproc: qcom_wcnss: Handle platforms with only single power domain")
Signed-off-by: Matti Lehtimäki <matti.lehtimaki@gmail.com>
Tested-by: Luca Weiss <luca.weiss@fairphone.com> # sdm632-fairphone-fp3
Link: https://lore.kernel.org/r/20250511234026.94735-1-matti.lehtimaki@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Matti Lehtimäki
2025-05-12 02:40:15 +03:00
committed by Greg Kroah-Hartman
parent 5ff1a234fa
commit c2b52d947c
1 changed files with 2 additions and 1 deletions
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3
drivers/remoteproc/qcom_wcnss.c
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@@ -456,7 +456,8 @@ static int wcnss_init_regulators(struct qcom_wcnss *wcnss,
if (wcnss->num_pds) {
info += wcnss->num_pds;
/* Handle single power domain case */
num_vregs += num_pd_vregs - wcnss->num_pds;
if (wcnss->num_pds < num_pd_vregs)
num_vregs += num_pd_vregs - wcnss->num_pds;
} else {
num_vregs += num_pd_vregs;
}