Re: [PATCH v2] NFC: trf7970a: disable all regulators on removal

[Krzysztof Kozlowski <krzk@kernel.org>]

On 18/04/2024 21:25, Paul Geurts wrote:
> During module probe, regulator 'vin' and 'vdd-io' are used and enabled,
> but the vdd-io regulator overwrites the 'vin' regulator pointer. During
> remove, only the vdd-io is disabled, as the vin regulator pointer is not
> available anymore. When regulator_put() is called during resource
> cleanup a kernel warning is given, as the regulator is still enabled.
> 
> Store the two regulators in separate pointers and disable both the
> regulators on module remove.
> 
> Fixes: 49d22c70aaf0 ("NFC: trf7970a: Add device tree option of 1.8 Volt IO voltage")
> Signed-off-by: Paul Geurts <paul_geurts@live.nl>

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Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof