From: Pramod Gurav <pramod.gurav.etc@xxxxxxxxx>
REGMAP_SPMI module calls some functions from SPMI hence build breaks
when SPMI is not enabled while compiling REGMAP_SPMI with below linker
errors:
drivers/built-in.o: In function `regmap_spmi_ext_read':
:(.text+0x1143ec): undefined reference to `spmi_ext_register_read'
:(.text+0x11443c): undefined reference to `spmi_ext_register_readl'
drivers/built-in.o: In function `regmap_spmi_ext_gather_write':
:(.text+0x1144c4): undefined reference to `spmi_ext_register_write'
:(.text+0x114520): undefined reference to `spmi_ext_register_writel'
drivers/built-in.o: In function `regmap_spmi_base_read':
:(.text+0x1145b8): undefined reference to `spmi_register_read'
drivers/built-in.o: In function `regmap_spmi_base_gather_write':
:(.text+0x114630): undefined reference to `spmi_register_write'
:(.text+0x11465c): undefined reference to `spmi_register_zero_write'
Signed-off-by: Pramod Gurav <pramod.gurav.etc@xxxxxxxxx>
CC: Josh Cartwright <joshc@xxxxxxxxxxxxxx>
CC: Mark Brown <broonie@xxxxxxxxxx>
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This was found when I enabled support for Qualcomm QPNP PMICs and was
compiling it. It selects REGMAP_SPMI and hence the crash.