tree: https://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb add_pwrseq_for_usb head: 236dd95c9a8872af797cc504ea9d0fe74b8c55d3 commit: d178023ba59940c022fcd0be5b65a0b328fa368a [13/16] usb: core: add power sequence handling for USB devices config: sh-titan_defconfig (attached as .config) compiler: sh4-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout d178023ba59940c022fcd0be5b65a0b328fa368a # save the attached .config to linux build tree make.cross ARCH=sh All warnings (new ones prefixed by >>): In file included from drivers/usb/core/hub.c:29:0: include/linux/pwrseq.h: In function 'pwrseq_pre_power_on': include/linux/pwrseq.h:49:46: warning: no return statement in function returning non-void [-Wreturn-type] static inline int pwrseq_pre_power_on(struct pwrseq *pwrseq) {} ^ include/linux/pwrseq.h: In function 'pwrseq_alloc': include/linux/pwrseq.h:53:3: warning: no return statement in function returning non-void [-Wreturn-type] const char *dev_name) {} ^ include/linux/pwrseq.h: At top level: >> include/linux/pwrseq.h:54:39: warning: 'struct mmc_host' declared inside parameter list static inline void pwrseq_free(struct mmc_host *host) {} ^ >> include/linux/pwrseq.h:54:39: warning: its scope is only this definition or declaration, which is probably not what you want drivers/usb/core/hub.c: In function 'hub_of_pwrseq_off': drivers/usb/core/hub.c:1698:15: error: passing argument 1 of 'pwrseq_free' from incompatible pointer type [-Werror=incompatible-pointer-types] pwrseq_free(hdev_pwrseq); ^ In file included from drivers/usb/core/hub.c:29:0: include/linux/pwrseq.h:54:20: note: expected 'struct mmc_host *' but argument is of type 'struct pwrseq *' static inline void pwrseq_free(struct mmc_host *host) {} ^ drivers/usb/core/hub.c: In function 'hub_of_pwrseq_on': drivers/usb/core/hub.c:1742:14: error: passing argument 1 of 'pwrseq_free' from incompatible pointer type [-Werror=incompatible-pointer-types] pwrseq_free(hdev_pwrseq); ^ In file included from drivers/usb/core/hub.c:29:0: include/linux/pwrseq.h:54:20: note: expected 'struct mmc_host *' but argument is of type 'struct pwrseq *' static inline void pwrseq_free(struct mmc_host *host) {} ^ cc1: some warnings being treated as errors vim +54 include/linux/pwrseq.h 3aa8793f drivers/mmc/core/pwrseq.h Ulf Hansson 2014-11-28 43 04001411 include/linux/pwrseq.h Krzysztof Kozlowski 2016-06-09 44 static inline int pwrseq_register(struct pwrseq *pwrseq) d97a1e5d drivers/mmc/core/pwrseq.h Srinivas Kandagatla 2016-04-14 45 { d97a1e5d drivers/mmc/core/pwrseq.h Srinivas Kandagatla 2016-04-14 46 return -ENOSYS; d97a1e5d drivers/mmc/core/pwrseq.h Srinivas Kandagatla 2016-04-14 47 } 04001411 include/linux/pwrseq.h Krzysztof Kozlowski 2016-06-09 48 static inline void pwrseq_unregister(struct pwrseq *pwrseq) {} 210f01d9 include/linux/pwrseq.h Peter Chen 2016-06-15 @49 static inline int pwrseq_pre_power_on(struct pwrseq *pwrseq) {} c2f5b6a4 include/linux/pwrseq.h Krzysztof Kozlowski 2016-06-09 50 static inline void pwrseq_post_power_on(struct pwrseq *pwrseq) {} c2f5b6a4 include/linux/pwrseq.h Krzysztof Kozlowski 2016-06-09 51 static inline void pwrseq_power_off(struct pwrseq *pwrseq) {} 210f01d9 include/linux/pwrseq.h Peter Chen 2016-06-15 52 static inline struct pwrseq *pwrseq_alloc(struct device_node *np, 210f01d9 include/linux/pwrseq.h Peter Chen 2016-06-15 @53 const char *dev_name) {} 210f01d9 include/linux/pwrseq.h Peter Chen 2016-06-15 @54 static inline void pwrseq_free(struct mmc_host *host) {} 3aa8793f drivers/mmc/core/pwrseq.h Ulf Hansson 2014-11-28 55 57402ee8 include/linux/pwrseq.h Krzysztof Kozlowski 2016-06-09 56 #endif /* CONFIG_POWER_SEQ */ 3aa8793f drivers/mmc/core/pwrseq.h Ulf Hansson 2014-11-28 57 :::::: The code at line 54 was first introduced by commit :::::: 210f01d924a442bc83b11f8bb2c0ee6845fa2e20 power: pwrseq: change common helpers as generic :::::: TO: Peter Chen <peter.chen@xxxxxxx> :::::: CC: Peter Chen <peter.chen@xxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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