static int __devinit da9052_spi_probe(struct spi_device *spi) { int ret; const struct spi_device_id *id = spi_get_device_id(spi); struct da9052 *da9052 = kzalloc(sizeof(struct da9052), GFP_KERNEL); if (!da9052) return -ENOMEM; spi->mode = SPI_MODE_0 | SPI_CPOL; spi->bits_per_word = 8; spi_setup(spi); da9052->dev = &spi->dev; da9052->chip_irq = spi->irq; dev_set_drvdata(&spi->dev, da9052); da9052_regmap_config.read_flag_mask = 1; da9052_regmap_config.write_flag_mask = 0; da9052->regmap = regmap_init_spi(spi, &da9052_regmap_config); if (IS_ERR(da9052->regmap)) { ret = PTR_ERR(da9052->regmap); dev_err(&spi->dev, "Failed to allocate register map: %d\n", ret); goto err; } ret = da9052_device_init(da9052, id->driver_data); if (ret != 0) goto err_regmap; return 0; err_regmap: regmap_exit(da9052->regmap); err: kfree(da9052); return ret; }
static int da9052_spi_probe(struct spi_device *spi) { struct regmap_config config; int ret; const struct spi_device_id *id = spi_get_device_id(spi); struct da9052 *da9052; da9052 = devm_kzalloc(&spi->dev, sizeof(struct da9052), GFP_KERNEL); if (!da9052) return -ENOMEM; spi->mode = SPI_MODE_0; spi->bits_per_word = 8; spi_setup(spi); da9052->dev = &spi->dev; da9052->chip_irq = spi->irq; spi_set_drvdata(spi, da9052); config = da9052_regmap_config; config.read_flag_mask = 1; config.reg_bits = 7; config.pad_bits = 1; config.val_bits = 8; config.use_single_rw = 1; da9052->regmap = devm_regmap_init_spi(spi, &config); if (IS_ERR(da9052->regmap)) { ret = PTR_ERR(da9052->regmap); dev_err(&spi->dev, "Failed to allocate register map: %d\n", ret); return ret; } return da9052_device_init(da9052, id->driver_data); }