linux-imx
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committed 084181fe8ccx
.state = xilinx_spi_state, .write_init = xilinx_spi_write_init, .write = xilinx_spi_write, .write_complete = xilinx_spi_write_complete,};static int xilinx_spi_probe(struct spi_device *spi){ struct xilinx_spi_conf *conf; struct fpga_manager *mgr; int ret; conf = devm_kzalloc(&spi->dev, sizeof(*conf), GFP_KERNEL); if (!conf) return -ENOMEM; conf->spi = spi; /* PROGRAM_B is active low */ conf->prog_b = devm_gpiod_get(&spi->dev, "prog_b", GPIOD_OUT_LOW); if (IS_ERR(conf->prog_b)) { return PTR_ERR(conf->prog_b); } conf->done = devm_gpiod_get(&spi->dev, "done", GPIOD_IN); if (IS_ERR(conf->done)) { dev_err(&spi->dev, "Failed to get DONE gpio: %ld\n", PTR_ERR(conf->done)); return PTR_ERR(conf->done); } mgr = fpga_mgr_create(&spi->dev, "Xilinx Slave Serial FPGA Manager", &xilinx_spi_ops, conf); mgr = devm_fpga_mgr_create(&spi->dev, "Xilinx Slave Serial FPGA Manager", &xilinx_spi_ops, conf); if (!mgr) return -ENOMEM; spi_set_drvdata(spi, mgr); ret = fpga_mgr_register(mgr); if (ret) fpga_mgr_free(mgr); return ret; return fpga_mgr_register(mgr);}static int xilinx_spi_remove(struct spi_device *spi){ struct fpga_manager *mgr = spi_get_drvdata(spi); fpga_mgr_unregister(mgr); return 0;}