2022-04-07 21:18:01

by Finn Thain

[permalink] [raw]
Subject: [PATCH v2] macintosh/via-pmu: Fix build failure when CONFIG_INPUT is disabled

drivers/macintosh/via-pmu-event.o: In function `via_pmu_event':
via-pmu-event.c:(.text+0x44): undefined reference to `input_event'
via-pmu-event.c:(.text+0x68): undefined reference to `input_event'
via-pmu-event.c:(.text+0x94): undefined reference to `input_event'
via-pmu-event.c:(.text+0xb8): undefined reference to `input_event'
drivers/macintosh/via-pmu-event.o: In function `via_pmu_event_init':
via-pmu-event.c:(.init.text+0x20): undefined reference to `input_allocate_device'
via-pmu-event.c:(.init.text+0xc4): undefined reference to `input_register_device'
via-pmu-event.c:(.init.text+0xd4): undefined reference to `input_free_device'
make[1]: *** [Makefile:1155: vmlinux] Error 1
make: *** [Makefile:350: __build_one_by_one] Error 2

Don't call into the input subsystem unless CONFIG_INPUT is built-in.

Cc: Christophe Leroy <[email protected]>
Cc: Randy Dunlap <[email protected]>
Cc: Geert Uytterhoeven <[email protected]>
Reported-by: kernel test robot <[email protected]>
Signed-off-by: Finn Thain <[email protected]>
---
Changed since v1:
- Adopted IS_ENABLED to avoid an ifdef as suggested by Christophe.
- Added the ADB_PMU_EVENT symbol as suggested by Geert, though this
adds a new Kconfig symbol for little gain AFAICS.
---
drivers/macintosh/Kconfig | 4 ++++
drivers/macintosh/Makefile | 3 ++-
drivers/macintosh/via-pmu.c | 2 +-
3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig
index 5cdc361da37c..3942db15a2b8 100644
--- a/drivers/macintosh/Kconfig
+++ b/drivers/macintosh/Kconfig
@@ -67,6 +67,10 @@ config ADB_PMU
this device; you should do so if your machine is one of those
mentioned above.

+config ADB_PMU_EVENT
+ def_bool y
+ depends on ADB_PMU && INPUT=y
+
config ADB_PMU_LED
bool "Support for the Power/iBook front LED"
depends on PPC_PMAC && ADB_PMU
diff --git a/drivers/macintosh/Makefile b/drivers/macintosh/Makefile
index 49819b1b6f20..712edcb3e0b0 100644
--- a/drivers/macintosh/Makefile
+++ b/drivers/macintosh/Makefile
@@ -12,7 +12,8 @@ obj-$(CONFIG_MAC_EMUMOUSEBTN) += mac_hid.o
obj-$(CONFIG_INPUT_ADBHID) += adbhid.o
obj-$(CONFIG_ANSLCD) += ans-lcd.o

-obj-$(CONFIG_ADB_PMU) += via-pmu.o via-pmu-event.o
+obj-$(CONFIG_ADB_PMU) += via-pmu.o
+obj-$(CONFIG_ADB_PMU_EVENT) += via-pmu-event.o
obj-$(CONFIG_ADB_PMU_LED) += via-pmu-led.o
obj-$(CONFIG_PMAC_BACKLIGHT) += via-pmu-backlight.o
obj-$(CONFIG_ADB_CUDA) += via-cuda.o
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index 399074306a74..495fd35b11de 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -1463,7 +1463,7 @@ pmu_handle_data(unsigned char *data, int len)
pmu_pass_intr(data, len);
/* len == 6 is probably a bad check. But how do I
* know what PMU versions send what events here? */
- if (len == 6) {
+ if (IS_ENABLED(CONFIG_ADB_PMU_EVENT) && len == 6) {
via_pmu_event(PMU_EVT_POWER, !!(data[1]&8));
via_pmu_event(PMU_EVT_LID, data[1]&1);
}
--
2.32.0


2022-05-24 13:51:28

by Michael Ellerman

[permalink] [raw]
Subject: Re: [PATCH v2] macintosh/via-pmu: Fix build failure when CONFIG_INPUT is disabled

On Thu, 07 Apr 2022 20:11:32 +1000, Finn Thain wrote:
> drivers/macintosh/via-pmu-event.o: In function `via_pmu_event':
> via-pmu-event.c:(.text+0x44): undefined reference to `input_event'
> via-pmu-event.c:(.text+0x68): undefined reference to `input_event'
> via-pmu-event.c:(.text+0x94): undefined reference to `input_event'
> via-pmu-event.c:(.text+0xb8): undefined reference to `input_event'
> drivers/macintosh/via-pmu-event.o: In function `via_pmu_event_init':
> via-pmu-event.c:(.init.text+0x20): undefined reference to `input_allocate_device'
> via-pmu-event.c:(.init.text+0xc4): undefined reference to `input_register_device'
> via-pmu-event.c:(.init.text+0xd4): undefined reference to `input_free_device'
> make[1]: *** [Makefile:1155: vmlinux] Error 1
> make: *** [Makefile:350: __build_one_by_one] Error 2
>
> [...]

Applied to powerpc/next.

[1/1] macintosh/via-pmu: Fix build failure when CONFIG_INPUT is disabled
https://git.kernel.org/powerpc/c/86ce436e30d86327c9f5260f718104ae7b21f506

cheers