pxa2xx_spi_dma_stop 1177 drivers/spi/spi-pxa2xx.c 		pxa2xx_spi_dma_stop(drv_data);
pxa2xx_spi_dma_stop  134 drivers/spi/spi-pxa2xx.h extern void pxa2xx_spi_dma_stop(struct driver_data *drv_data);