I found many variations of the bug in these device drivers (and some USB drivers I already send patches for in a separate series). In each case, the power management operations structure conditionally references suspend/resume functions, but the functions are hidden in an incorrect #ifdef or not hidden at all. We could try to correct the #ifdefs, but it seems easier to just mark those functions as __maybe_unused, which has the same effect but provides better compile-time test coverage and (subjectively) looks a bit nicer. I have a patch series that avoids all warnings in ARM randconfig builds, and I have verified that all these patches fix a warning that is still present in today's linux-next, and that they do not introduce new warnings in any configuration I found. Note that all these drivers are ARM specific, so I assume that all portable drivers got fixed already when someone rand into the problem on x86. There are no dependencies between the patches, so I'd appreciate subsystem maintainers to put them directly into their git trees. Arnd Arnd Bergmann (14): pinctrl: at91: use __maybe_unused to hide pm functions irqchip: st: use __maybe_unused to hide st_irq_syscfg_resume power: ipaq-micro-battery: use __maybe_unused to hide pm functions power: pm2301-charger: use __maybe_unused to hide pm functions mfd: ipaq-micro: use __maybe_unused to hide pm functions dma: sirf: use __maybe_unused to hide pm functions hw_random: exynos: use __maybe_unused to hide pm functions scsi: mvumi: use __maybe_unused to hide pm functions amd-xgbe: use __maybe_unused to hide pm functions wireless: cw1200: use __maybe_unused to hide pm functions_ input: spear-keyboard: use __maybe_unused to hide pm functions keyboard: snvs-pwrkey: use __maybe_unused to hide pm functions [media] omap3isp: use IS_ENABLED() to hide pm functions ASoC: rockchip: use __maybe_unused to hide st_irq_syscfg_resume drivers/char/hw_random/exynos-rng.c | 10 ++++------ drivers/dma/sirf-dma.c | 10 ++++------ drivers/input/keyboard/snvs_pwrkey.c | 4 ++-- drivers/input/keyboard/spear-keyboard.c | 6 ++---- drivers/irqchip/irq-st.c | 2 +- drivers/media/platform/omap3isp/isp.c | 13 +------------ drivers/mfd/ipaq-micro.c | 2 +- drivers/net/ethernet/amd/xgbe/xgbe-main.c | 6 ++---- drivers/net/wireless/st/cw1200/cw1200_spi.c | 9 ++------- drivers/net/wireless/st/cw1200/pm.h | 9 +++++++-- drivers/pinctrl/pinctrl-at91-pio4.c | 4 ++-- drivers/power/ipaq_micro_battery.c | 4 ++-- drivers/power/pm2301_charger.c | 22 ++++++---------------- drivers/scsi/mvumi.c | 4 ++-- sound/soc/rockchip/rockchip_spdif.c | 4 ++-- 15 files changed, 40 insertions(+), 69 deletions(-) -- 2.7.0 Cc: herbert@xxxxxxxxxxxxxxxxxxx Cc: k.kozlowski@xxxxxxxxxxx Cc: dan.j.williams@xxxxxxxxx Cc: vinod.koul@xxxxxxxxx Cc: baohua@xxxxxxxxxx Cc: dmitry.torokhov@xxxxxxxxx Cc: tglx@xxxxxxxxxxxxx Cc: jason@xxxxxxxxxxxxxx Cc: marc.zyngier@xxxxxxx Cc: laurent.pinchart@xxxxxxxxxxxxxxxx Cc: mchehab@xxxxxxxxxxxxxxx Cc: lee.jones@xxxxxxxxxx Cc: kvalo@xxxxxxxxxxxxxx Cc: ludovic.desroches@xxxxxxxxx Cc: linus.walleij@xxxxxxxxxx Cc: sre@xxxxxxxxxx Cc: dbaryshkov@xxxxxxxxx Cc: JBottomley@xxxxxxxx Cc: martin.petersen@xxxxxxxxxx Cc: broonie@xxxxxxxxxx Cc: linux-crypto@xxxxxxxxxxxxxxx Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx Cc: linux-samsung-soc@xxxxxxxxxxxxxxx Cc: linux-kernel@xxxxxxxxxxxxxxx Cc: dmaengine@xxxxxxxxxxxxxxx Cc: linux-input@xxxxxxxxxxxxxxx Cc: linux-media@xxxxxxxxxxxxxxx Cc: netdev@xxxxxxxxxxxxxxx Cc: linux-wireless@xxxxxxxxxxxxxxx Cc: linux-gpio@xxxxxxxxxxxxxxx Cc: linux-pm@xxxxxxxxxxxxxxx Cc: linux-scsi@xxxxxxxxxxxxxxx Cc: alsa-devel@xxxxxxxxxxxxxxxx Cc: linux-rockchip@xxxxxxxxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
