Hi, [auto build test WARNING on net-next/master] [also build test WARNING on v4.7-rc7 next-20160722] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Uwe-Kleine-K-nig/net-davinci_cpdma-remove-excessive-dump-of-register-values-to-kernel-log/20160723-041616 config: arm-multi_v7_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 5.4.0-6) 5.4.0 20160609 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 # save the attached .config to linux build tree make.cross ARCH=arm All warnings (new ones prefixed by >>): >> drivers/net/ethernet/ti/davinci_cpdma.c:100:20: warning: 'cpdma_state_str' defined but not used [-Wunused-variable] static const char *cpdma_state_str[] = { "idle", "active", "teardown" }; ^ vim +/cpdma_state_str +100 drivers/net/ethernet/ti/davinci_cpdma.c c767db51 drivers/net/ethernet/ti/davinci_cpdma.c Olof Johansson 2013-12-11 84 phys_addr_t phys; 84092996 drivers/net/ethernet/ti/davinci_cpdma.c Arnd Bergmann 2016-01-29 85 dma_addr_t hw_addr; ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 86 void __iomem *iomap; /* ioremap map */ ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 87 void *cpumap; /* dma_alloc map */ ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 88 int desc_size, mem_size; ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 89 int num_desc, used_desc; ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 90 struct device *dev; 742fb20f drivers/net/ethernet/ti/davinci_cpdma.c Grygorii Strashko 2016-06-27 91 struct gen_pool *gen_pool; ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 92 }; ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 93 ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 94 enum cpdma_state { ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 95 CPDMA_STATE_IDLE, ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 96 CPDMA_STATE_ACTIVE, ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 97 CPDMA_STATE_TEARDOWN, ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 98 }; ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 99 32a6d90b drivers/net/ethernet/ti/davinci_cpdma.c Arnd Bergmann 2012-04-20 @100 static const char *cpdma_state_str[] = { "idle", "active", "teardown" }; ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 101 ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 102 struct cpdma_ctlr { ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 103 enum cpdma_state state; ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 104 struct cpdma_params params; ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 105 struct device *dev; ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 106 struct cpdma_desc_pool *pool; ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 107 spinlock_t lock; ef8c2dab drivers/net/davinci_cpdma.c Cyril Chemparathy 2010-09-15 108 struct cpdma_chan *channels[2 * CPDMA_MAX_CHANNELS]; :::::: The code at line 100 was first introduced by commit :::::: 32a6d90bb341417b9a3a42fcbebd9b092396dee6 davinci_cpdma: export symbols used by other drivers :::::: TO: Arnd Bergmann <arnd@xxxxxxxx> :::::: CC: David S. Miller <davem@xxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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