Hi Bryan, After merging the leds tree, today's linux-next build (x86_64 allmodconfig) failed like this: drivers/built-in.o: In function `lp55xx_unregister_leds': (.text+0x161dab): undefined reference to `led_classdev_unregister' Caused by commit 14732b162d34 ("leds-lp55xx: use lp55xx_unregister_leds()"). drivers/built-in.o: In function `lp55xx_init_led': leds-lp55xx-common.c:(.text+0x161f23): undefined reference to `led_classdev_register' leds-lp55xx-common.c:(.text+0x161f9f): undefined reference to `led_classdev_unregister' Caused by commit b5370ff365fa ("eds-lp55xx: use lp55xx_init_led() common function"). drivers/built-in.o: In function `lp55xx_read': (.text+0x1621b3): undefined reference to `i2c_smbus_read_byte_data' drivers/built-in.o: In function `lp55xx_init_device': (.text+0x1622f0): undefined reference to `i2c_smbus_write_byte_data' drivers/built-in.o: In function `lp55xx_init_device': (.text+0x162331): undefined reference to `i2c_smbus_write_byte_data' drivers/built-in.o: In function `lp55xx_update_bits': (.text+0x162492): undefined reference to `i2c_smbus_write_byte_data' drivers/built-in.o: In function `lp55xx_write': (.text+0x1624c5): undefined reference to `i2c_smbus_write_byte_data' Caused by commit 597eb710be87 ("leds-lp55xx: add new common driver for lp5521/5523"). I have used the leds tree from next-20130122 for today. -- Cheers, Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
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