Hi Jean, FYI, kernel build failed on tree: git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging.git i2c-for-linus head: c415b303a704e5c5f766fc0404093910c36cc4ab commit: 3ad7ea18ae8c7ddda46b7276e0bda73e707ea9c1 [9/15] i2c-i801: Support SMBus multiplexing on Asus Z8 series config: parisc-allyesconfig It's also failing in Linus' master and linux-next. All error/warnings: drivers/i2c/busses/i2c-i801.c: In function 'match_gpio_chip_by_label': drivers/i2c/busses/i2c-i801.c:1014:21: error: dereferencing pointer to incomplete type drivers/i2c/busses/i2c-i801.c: In function 'i801_add_mux': drivers/i2c/busses/i2c-i801.c:1031:2: error: implicit declaration of function 'gpiochip_find' [-Werror=implicit-function-declaration] drivers/i2c/busses/i2c-i801.c:1031:7: warning: assignment makes pointer from integer without a cast [enabled by default] drivers/i2c/busses/i2c-i801.c:1050:27: error: dereferencing pointer to incomplete type drivers/i2c/busses/i2c-i801.c: In function 'match_gpio_chip_by_label': drivers/i2c/busses/i2c-i801.c:1015:1: warning: control reaches end of non-void function [-Wreturn-type] cc1: some warnings being treated as errors vim +1014 drivers/i2c/busses/i2c-i801.c 3ad7ea18 Jean Delvare 2012-10-05 1008 { } 3ad7ea18 Jean Delvare 2012-10-05 1009 }; 3ad7ea18 Jean Delvare 2012-10-05 1010 3ad7ea18 Jean Delvare 2012-10-05 1011 static int __devinit match_gpio_chip_by_label(struct gpio_chip *chip, 3ad7ea18 Jean Delvare 2012-10-05 1012 void *data) 3ad7ea18 Jean Delvare 2012-10-05 1013 { 3ad7ea18 Jean Delvare 2012-10-05 @1014 return !strcmp(chip->label, data); 3ad7ea18 Jean Delvare 2012-10-05 1015 } 3ad7ea18 Jean Delvare 2012-10-05 1016 3ad7ea18 Jean Delvare 2012-10-05 1017 /* Setup multiplexing if needed */ --- 0-DAY kernel build testing backend Open Source Technology Center Fengguang Wu, Yuanhan Liu Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html