Hi Jacob, [auto build test WARNING on rockchip/for-next] [also build test WARNING on v4.13-rc3 next-20170803] [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/Jacob-Chen/rockchip-rga-v4l2-m2m-support/20170802-235943 base: https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git for-next reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) vim +/case +159 drivers/media/platform/rockchip-rga/rga.c 150 151 static int rga_s_ctrl(struct v4l2_ctrl *ctrl) 152 { 153 struct rga_ctx *ctx = container_of(ctrl->handler, struct rga_ctx, 154 ctrl_handler); 155 unsigned long flags; 156 157 spin_lock_irqsave(&ctx->rga->ctrl_lock, flags); 158 switch (ctrl->id) { > 159 case V4L2_CID_PORTER_DUFF_MODE: 160 ctx->op = ctrl->val; 161 break; 162 case V4L2_CID_HFLIP: 163 ctx->hflip = ctrl->val; 164 break; 165 case V4L2_CID_VFLIP: 166 ctx->vflip = ctrl->val; 167 break; 168 case V4L2_CID_ROTATE: 169 ctx->rotate = ctrl->val; 170 break; 171 case V4L2_CID_BG_COLOR: 172 ctx->fill_color = ctrl->val; 173 break; 174 } 175 spin_unlock_irqrestore(&ctx->rga->ctrl_lock, flags); 176 return 0; 177 } 178 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html