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sdhci_fsl_fdt: Skip vccq reconfiguration without regulator

Description

sdhci_fsl_fdt: Skip vccq reconfiguration without regulator

There is no need to preform any voltage reconfiguration
in case the vccq regulator is not physically attached to the
slot.

Submitted by: Lukasz Hajec <lha@semihalf.com>
Obtained from: Semihalf
Sponsored by: Alstom Group
Differential Revision: https://reviews.freebsd.org/D30355

Details

Provenance
mwAuthored on May 20 2021, 9:16 AM
Differential Revision
D30355: sdhci_fsl_fdt.c: Check SoC support before
Parents
rGc1a148873d64: sys/*/conf/*, docs: fix links to handbook
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