Hi Chris, [auto build test WARNING on: drm/drm-next] [also build test WARNING on: v4.4-rc1 next-20151118] [cannot apply to: rockchip/for-next] url: https://github.com/0day-ci/linux/commits/Chris-Zhong/Add-mipi-dsi-support-for-rk3288/20151119-114228 base: git://people.freedesktop.org/~airlied/linux.git drm-next config: sparc-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 # save the attached .config to linux build tree make.cross ARCH=sparc All warnings (new ones prefixed by >>): drivers/gpu/drm/bridge/dw_mipi_dsi.c: In function 'dw_mipi_dsi_dcs_short_write': >> drivers/gpu/drm/bridge/dw_mipi_dsi.c:525:4: warning: format '%d' expects argument of type 'int', but argument 3 has type 'size_t' [-Wformat=] msg->tx_len); ^ drivers/gpu/drm/bridge/dw_mipi_dsi.c: In function 'dw_mipi_dsi_dcs_long_write': drivers/gpu/drm/bridge/dw_mipi_dsi.c:542:4: warning: format '%d' expects argument of type 'int', but argument 3 has type 'size_t' [-Wformat=] msg->tx_len); ^ vim +525 drivers/gpu/drm/bridge/dw_mipi_dsi.c 509 if (ret < 0) { 510 dev_err(dsi->dev, "failed to write command FIFO\n"); 511 return ret; 512 } 513 514 return 0; 515 } 516 517 static int dw_mipi_dsi_dcs_short_write(struct dw_mipi_dsi *dsi, 518 const struct mipi_dsi_msg *msg) 519 { 520 const u16 *tx_buf = msg->tx_buf; 521 u32 val = GEN_HDATA(*tx_buf) | GEN_HTYPE(msg->type); 522 523 if (msg->tx_len > 2) { 524 dev_err(dsi->dev, "too long tx buf length %d for short write\n", > 525 msg->tx_len); 526 return -EINVAL; 527 } 528 529 return dw_mipi_dsi_gen_pkt_hdr_write(dsi, val); 530 } 531 532 static int dw_mipi_dsi_dcs_long_write(struct dw_mipi_dsi *dsi, 533 const struct mipi_dsi_msg *msg) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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