Extern or forward variable declaration at include/linux/nvmem-consumer.h, line 21 References: drivers/bluetooth/hci_ll.c, line 702 drivers/cpufreq/qcom-cpufreq-kryo.c, line 80 drivers/gpu/drm/msm/adreno/a5xx_gpu.c, line 1253 drivers/net/ethernet/ni/nixge.c, line 1166 drivers/nvmem/core.c, line 49 drivers/nvmem/core.c, line 281 drivers/nvmem/core.c, line 283 drivers/nvmem/core.c, line 298 drivers/nvmem/core.c, line 308 drivers/nvmem/core.c, line 312 drivers/nvmem/core.c, line 318 drivers/nvmem/core.c, line 327 drivers/nvmem/core.c, line 364 drivers/nvmem/core.c, line 619 drivers/nvmem/core.c, line 633 drivers/nvmem/core.c, line 810 drivers/nvmem/core.c, line 812 drivers/nvmem/core.c, line 835 drivers/nvmem/core.c, line 839 drivers/nvmem/core.c, line 924 drivers/nvmem/core.c, line 926 drivers/nvmem/core.c, line 944 drivers/nvmem/core.c, line 957 drivers/nvmem/core.c, line 959 drivers/nvmem/core.c, line 979 drivers/nvmem/core.c, line 994 drivers/nvmem/core.c, line 1010 drivers/nvmem/core.c, line 1019 drivers/nvmem/core.c, line 1047 drivers/nvmem/core.c, line 1077 drivers/nvmem/core.c, line 1100 drivers/nvmem/core.c, line 1162 drivers/nvmem/core.c, line 1201 drivers/nvmem/core.c, line 1240 drivers/nvmem/core.c, line 1271 drivers/of/of_net.c, line 95 drivers/phy/qualcomm/phy-qcom-qusb2.c, line 282 drivers/thermal/mtk_thermal.c, line 598 drivers/thermal/qcom/tsens-common.c, line 33 drivers/watchdog/rave-sp-wdt.c, line 258 include/linux/nvmem-consumer.h, line 21 include/linux/nvmem-consumer.h, line 35 include/linux/nvmem-consumer.h, line 36 include/linux/nvmem-consumer.h, line 37 include/linux/nvmem-consumer.h, line 38 include/linux/nvmem-consumer.h, line 39 include/linux/nvmem-consumer.h, line 40 include/linux/nvmem-consumer.h, line 60 include/linux/nvmem-consumer.h, line 66 include/linux/nvmem-consumer.h, line 73 include/linux/nvmem-consumer.h, line 77 include/linux/nvmem-consumer.h, line 81 include/linux/nvmem-consumer.h, line 86 include/linux/nvmem-consumer.h, line 149 include/linux/nvmem-consumer.h, line 154