diff options
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/da9063-core.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/mfd/da9063-core.c b/drivers/mfd/da9063-core.c index 26937cd01071..e70ae315abc7 100644 --- a/drivers/mfd/da9063-core.c +++ b/drivers/mfd/da9063-core.c @@ -110,7 +110,7 @@ static const struct mfd_cell da9063_devs[] = { int da9063_device_init(struct da9063 *da9063, unsigned int irq) { struct da9063_pdata *pdata = da9063->dev->platform_data; - int model, revision; + int model, variant_id, variant_code; int ret; if (pdata) { @@ -141,23 +141,26 @@ int da9063_device_init(struct da9063 *da9063, unsigned int irq) return -ENODEV; } - ret = regmap_read(da9063->regmap, DA9063_REG_CHIP_VARIANT, &revision); + ret = regmap_read(da9063->regmap, DA9063_REG_CHIP_VARIANT, &variant_id); if (ret < 0) { - dev_err(da9063->dev, "Cannot read chip revision id.\n"); + dev_err(da9063->dev, "Cannot read chip variant id.\n"); return -EIO; } - revision >>= DA9063_CHIP_VARIANT_SHIFT; - if (revision != 3) { - dev_err(da9063->dev, "Unknown chip revision: %d\n", revision); + + variant_code = variant_id >> DA9063_CHIP_VARIANT_SHIFT; + + dev_info(da9063->dev, + "Device detected (chip-ID: 0x%02X, var-ID: 0x%02X)\n", + model, variant_id); + + if (variant_code != PMIC_DA9063_BB) { + dev_err(da9063->dev, "Unknown chip variant code: 0x%02X\n", + variant_code); return -ENODEV; } da9063->model = model; - da9063->revision = revision; - - dev_info(da9063->dev, - "Device detected (model-ID: 0x%02X rev-ID: 0x%02X)\n", - model, revision); + da9063->variant_code = variant_code; ret = da9063_irq_init(da9063); if (ret) { |