The wistron_btns driver calls rtc_cmos_read(), which isn't
available with UML builds, so disable this driver on UML.
Prevents this build error:
ld: drivers/input/misc/wistron_btns.o: in function `poll_bios':
wistron_btns.c:(.text+0x4be): undefined reference to `rtc_cmos_read'
Fixes: 0bbadafdc49d ("um: allow disabling NO_IOMEM") # v5.14+
Signed-off-by: Randy Dunlap <rdun...@infradead.org>
Cc: Johannes Berg <johannes.b...@intel.com>
Cc: Richard Weinberger <rich...@nod.at>
Cc: Dmitry Torokhov <dmitry.torok...@gmail.com>
Cc: Miloslav Trmac <m...@volny.cz>
Cc: linux-in...@vger.kernel.org
Cc: linux-um@lists.infradead.org
---
drivers/input/misc/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -- a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -330,7 +330,7 @@ config INPUT_CPCAP_PWRBUTTON
config INPUT_WISTRON_BTNS
tristate "x86 Wistron laptop button interface"
- depends on X86_32
+ depends on X86_32 && !UML
select INPUT_SPARSEKMAP
select NEW_LEDS
select LEDS_CLASS
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