Hi,
On Thu, Jun 29, 2017 at 02:10:09PM +0200, Benjamin Tissoires wrote:
> [...]
>
> + /* get design capacity */
> + ret = i2c_smbus_read_word_data(client,
> + MSHW0011_BAT0_REG_DESIGN_CAPACITY);
> + if (ret < 0) {
> + dev_err(&client->dev, "Error reading design capacity: %d\n",
> + ret);
> + return ret;
> + }
> + bix->design_capacity = le16_to_cpu(ret);i2c_smbus_read_word_data() returns native endianess for little-endian bus (it basically has builtin le16_to_cpu). Your conversion actually _breaks_ support on big endian machines by converting it back. That seems to be a common mistake in the kernel and it might be a good idea to add some Coccinelle script for it? -- Sebastian
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