Since commit c89c0114955a ("mfd: syscon: Set regmap max_register in
of_syscon_register") the syscon uses ioremap so it fails on COMPILE_TEST
without HAS_IOMEM:
drivers/mfd/syscon.c: In function ‘of_syscon_register’:
drivers/mfd/syscon.c:67:9: error: implicit declaration of function ‘ioremap’ [-Werror=implicit-function-declaration]
base = ioremap(res.start, resource_size(&res));
^
drivers/mfd/syscon.c:67:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
base = ioremap(res.start, resource_size(&res));
^
drivers/mfd/syscon.c:109:2: error: implicit declaration of function ‘iounmap’ [-Werror=implicit-function-declaration]
iounmap(base);
When selecting MFD_SYSCON, depend on HAS_IOMEM to avoid unmet direct
dependencies.
Reported-by: kbuild test robot <lkp@xxxxxxxxx>
Fixes: c89c0114955a ("mfd: syscon: Set regmap max_register in of_syscon_register")
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
---
drivers/mfd/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index aa21dc55eb15..2e5b1e525a1d 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1034,6 +1034,7 @@ config MFD_SUN6I_PRCM
config MFD_SYSCON
bool "System Controller Register R/W Based on Regmap"
+ depends on HAS_IOMEM
select REGMAP_MMIO
help
Select this option to enable accessing system control registers
--
2.5.0
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