Hi Damien.Horsley, [auto build test results on v4.3-rc3 -- if it's inappropriate base, please ignore]
config: sh-allyesconfig (attached as .config) 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 5037c15dd47c86ab337b73c7f9ffcabe1bb86f3b # save the attached .config to linux build tree make.cross ARCH=sh Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All warnings (new ones prefixed by >>): sound/soc/img/img-i2s-out.c: In function 'img_i2s_out_set_fmt': >> sound/soc/img/img-i2s-out.c:108:2: warning: 'reg' may be used uninitialized >> in this function [-Wuninitialized] sound/soc/img/img-i2s-out.c:291:6: note: 'reg' was declared here vim +/reg +108 sound/soc/img/img-i2s-out.c 92 } 93 94 static inline void img_i2s_out_writel(struct img_i2s_out *i2s, u32 val, 95 u32 reg) 96 { 97 writel(val, i2s->base + reg); 98 } 99 100 static inline u32 img_i2s_out_readl(struct img_i2s_out *i2s, u32 reg) 101 { 102 return readl(i2s->base + reg); 103 } 104 105 static inline void img_i2s_out_ch_writel(struct img_i2s_out *i2s, 106 u32 chan, u32 val, u32 reg) 107 { > 108 writel(val, i2s->channel_base + (chan * IMG_I2S_OUT_CH_STRIDE) > + reg); 109 } 110 111 static inline u32 img_i2s_out_ch_readl(struct img_i2s_out *i2s, u32 chan, 112 u32 reg) 113 { 114 return readl(i2s->channel_base + (chan * IMG_I2S_OUT_CH_STRIDE) + reg); 115 } 116 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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