Hi, [auto build test WARNING on tty/tty-testing] [also build test WARNING on v4.7-rc3 next-20160617] [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/Andy-Shevchenko/serial-8250-split-LPSS-to-8250_lpss-enable-DMA-on-Quark/20160617-204834 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing config: x86_64-allmodconfig (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): drivers/tty/serial/8250/8250_lpss.c: In function 'qrk_serial_exit_dma': >> drivers/tty/serial/8250/8250_lpss.c:202:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] struct dw_dma_slave *param = &lpss->dma_param; ^~~~~~ vim +202 drivers/tty/serial/8250/8250_lpss.c 186 /* Special DMA address for UART */ 187 dma->rx_dma_addr = 0xfffff000; 188 dma->tx_dma_addr = 0xfffff000; 189 190 param->dma_dev = &pdev->dev; 191 param->src_id = 0; 192 param->dst_id = 1; 193 param->hs_polarity = true; 194 195 lpss->dma_maxburst = 8; 196 return 0; 197 } 198 199 static void qrk_serial_exit_dma(struct lpss8250 *lpss) 200 { 201 qrk_serial_exit_dma(lpss); > 202 struct dw_dma_slave *param = &lpss->dma_param; 203 204 if (!param->dma_dev) 205 return; 206 dw_dma_remove(&lpss->dma_chip); 207 } 208 #else /* CONFIG_SERIAL_8250_DMA */ 209 static int qrk_serial_setup_dma(struct lpss8250 *lpss, struct uart_port *port) 210 { --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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