diff options
-rw-r--r-- | drivers/misc/eeprom/at25.c | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/drivers/misc/eeprom/at25.c b/drivers/misc/eeprom/at25.c index 6bea9c7c64a0..027840c73fc8 100644 --- a/drivers/misc/eeprom/at25.c +++ b/drivers/misc/eeprom/at25.c @@ -304,33 +304,35 @@ static int at25_ee_write(void *priv, unsigned int off, void *val, size_t count) static int at25_fw_to_chip(struct device *dev, struct spi_eeprom *chip) { u32 val; + int err; memset(chip, 0, sizeof(*chip)); strncpy(chip->name, "at25", sizeof(chip->name)); - if (device_property_read_u32(dev, "size", &val) == 0 || - device_property_read_u32(dev, "at25,byte-len", &val) == 0) { - chip->byte_len = val; - } else { + err = device_property_read_u32(dev, "size", &val); + if (err) + err = device_property_read_u32(dev, "at25,byte-len", &val); + if (err) { dev_err(dev, "Error: missing \"size\" property\n"); - return -ENODEV; + return err; } + chip->byte_len = val; - if (device_property_read_u32(dev, "pagesize", &val) == 0 || - device_property_read_u32(dev, "at25,page-size", &val) == 0) { - chip->page_size = val; - } else { + err = device_property_read_u32(dev, "pagesize", &val); + if (err) + err = device_property_read_u32(dev, "at25,page-size", &val); + if (err) { dev_err(dev, "Error: missing \"pagesize\" property\n"); - return -ENODEV; + return err; } - - if (device_property_read_u32(dev, "at25,addr-mode", &val) == 0) { - chip->flags = (u16)val; - } else { - if (device_property_read_u32(dev, "address-width", &val)) { - dev_err(dev, - "Error: missing \"address-width\" property\n"); - return -ENODEV; + chip->page_size = val; + + err = device_property_read_u32(dev, "at25,addr-mode", &val); + if (err) { + err = device_property_read_u32(dev, "address-width", &val); + if (err) { + dev_err(dev, "Error: missing \"address-width\" property\n"); + return err; } switch (val) { case 9: @@ -353,6 +355,8 @@ static int at25_fw_to_chip(struct device *dev, struct spi_eeprom *chip) } if (device_property_present(dev, "read-only")) chip->flags |= EE_READONLY; + } else { + chip->flags = (u16)val; } return 0; } |