diff options
| -rw-r--r-- | drivers/mfd/intel_soc_pmic_bxtwc.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/drivers/mfd/intel_soc_pmic_bxtwc.c b/drivers/mfd/intel_soc_pmic_bxtwc.c index 1496a862baa6..8c3cbf63c6ad 100644 --- a/drivers/mfd/intel_soc_pmic_bxtwc.c +++ b/drivers/mfd/intel_soc_pmic_bxtwc.c @@ -238,15 +238,14 @@ static int regmap_ipc_byte_reg_read(void *context, unsigned int reg, u8 ipc_out[4]; struct intel_soc_pmic *pmic = context; + if (!pmic) + return -EINVAL; + if (reg & REG_ADDR_MASK) i2c_addr = (reg & REG_ADDR_MASK) >> REG_ADDR_SHIFT; - else { + else i2c_addr = BXTWC_DEVICE1_ADDR; - if (!i2c_addr) { - dev_err(pmic->dev, "I2C address not set\n"); - return -EINVAL; - } - } + reg &= REG_OFFSET_MASK; ipc_in[0] = reg; @@ -271,15 +270,14 @@ static int regmap_ipc_byte_reg_write(void *context, unsigned int reg, u8 ipc_in[3]; struct intel_soc_pmic *pmic = context; + if (!pmic) + return -EINVAL; + if (reg & REG_ADDR_MASK) i2c_addr = (reg & REG_ADDR_MASK) >> REG_ADDR_SHIFT; - else { + else i2c_addr = BXTWC_DEVICE1_ADDR; - if (!i2c_addr) { - dev_err(pmic->dev, "I2C address not set\n"); - return -EINVAL; - } - } + reg &= REG_OFFSET_MASK; ipc_in[0] = reg; |