Function prototype or declaration at include/linux/spi/spi.h, line 489 References: drivers/spi/spi-adi-v3.c, line 958 drivers/spi/spi-atmel.c, line 1494 drivers/spi/spi-bcm63xx-hsspi.c, line 450 drivers/spi/spi-bcm63xx.c, line 455 drivers/spi/spi-cadence.c, line 662 drivers/spi/spi-coldfire-qspi.c, line 485 drivers/spi/spi-dln2.c, line 840 drivers/spi/spi-dw.c, line 736 drivers/spi/spi-fsl-dspi.c, line 441 drivers/spi/spi-fsl-espi.c, line 836 drivers/spi/spi-img-spfi.c, line 713 drivers/spi/spi-meson-spifc.c, line 408 drivers/spi/spi-pl022.c, line 2326 drivers/spi/spi-pl022.c, line 2346 drivers/spi/spi-pxa2xx.c, line 1495 drivers/spi/spi-qup.c, line 725 drivers/spi/spi-rockchip.c, line 794 drivers/spi/spi-s3c24xx.c, line 647 drivers/spi/spi-s3c64xx.c, line 1262 drivers/spi/spi-sirf.c, line 812 drivers/spi/spi-st-ssc4.c, line 472 drivers/spi/spi-tegra114.c, line 1188 drivers/spi/spi-tegra20-sflash.c, line 573 drivers/spi/spi-tegra20-slink.c, line 1189 drivers/spi/spi.c, line 1781 drivers/spi/spi.c, line 1794 include/linux/spi/spi.h, line 489