This Kconfig warning appeared after a fix to the Kconfig validation.
The GPIO_CS5535 driver depends on the MFD_CS5535 driver, but the former
is selected in places where the latter is not:
WARNING: unmet direct dependencies detected for GPIO_CS5535
Depends on [m]: GPIOLIB [=y] && (X86 [=y] || MIPS || COMPILE_TEST [=y]) && MFD_CS5535 [=m]
Selected by [y]:
- OLPC_XO1_SCI [=y] && X86_32 [=y] && OLPC [=y] && OLPC_XO1_PM [=y] && INPUT [=y]=y
The warning does seem appropriate, since the GPIO_CS5535 driver won't
work unless MFD_CS5535 is also present. However, there is no link time
dependency between the two, so this caused no problems during randconfig
testing before.
This changes the 'select GPIO_CS5535' to 'depends on GPIO_CS5535' to
avoid the issue, at the expense of making it harder to configure the
driver (one now has to select the dependencies first).
The 'select MFD_CORE' part is completely redundant, since we already
depend on MFD_CS5535 here, so I'm removing that as well.
Ideally, the private symbols exported by that cs5535 gpio driver would
just be converted to gpiolib interfaces so we could expletely avoid
this dependency.
Fixes: f622f8279581 ("kconfig: warn unmet direct dependency of tristate symbols selected by y")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
arch/x86/Kconfig | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index bf4ddea48e61..ffb2b858e2b1 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2773,11 +2773,9 @@ config OLPC_XO1_RTC
config OLPC_XO1_SCI
bool "OLPC XO-1 SCI extras"
- depends on OLPC && OLPC_XO1_PM
+ depends on OLPC && OLPC_XO1_PM && GPIO_CS5535=y
depends on INPUT=y
select POWER_SUPPLY
- select GPIO_CS5535
- select MFD_CORE
---help---
Add support for SCI-based features of the OLPC XO-1 laptop:
- EC-driven system wakeups
--
2.9.0
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