Re: [PATCH 08/10] mfd: rtsx: add support for rts524A

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On 01/18/2015 08:20 PM, Lee Jones wrote:
>> +static int rts524a_optimize_phy(struct rtsx_pcr *pcr)
>> >+{
>> >+	int err;
>> >+
>> >+	err = rtsx_pci_write_register(pcr, RTS524A_PM_CTRL3,
>> >+		D3_DELINK_MODE_EN, 0x00);
>> >+	if (err < 0)
>> >+		return err;
> if (err)
>
err value will never be positive, but I have to make it consistence
with driver in other place, because all the check using if (err < 0) form.
And maybe, it make reserved for future the function may return positive
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