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Re: [PATCH 1/1] New driver: rtl8723au (mac80211)

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Joe Perches <joe@xxxxxxxxxxx> writes:
> On Mon, 2015-03-23 at 16:25 -0400, Jes.Sorensen@xxxxxxxxxx wrote:
>> From: Jes Sorensen <Jes.Sorensen@xxxxxxxxxx>
>> 
>> This is an alternate driver for the Realtek 8723AU (rtl8723au) written
>> from scratch utilizing the mac80211 stack.
>
> trivia:
>
>> diff --git a/drivers/net/wireless/rtl8xxxu.c b/drivers/net/wireless/rtl8xxxu.c
> [
>> +#define USB_VENDER_ID_REALTEK		0x0BDA
>
> realtek can't spell.  VENDOR

Rather minor, but sure, I'll fix that up.

>> +/* Minimum IEEE80211_MAX_FRAME_LEN */
>> +#define RTL_RX_BUFFER_SIZE		IEEE80211_MAX_FRAME_LEN
>> +
>> +static struct usb_device_id dev_table[] = {
>
> const
>
>> +	{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDER_ID_REALTEK, 0x8724,
>> +				       0xff, 0xff, 0xff)},
>> +	{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDER_ID_REALTEK, 0x1724,
>> +				       0xff, 0xff, 0xff)},
>> +	{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDER_ID_REALTEK, 0x0724,
>> +				       0xff, 0xff, 0xff)},
>> +	{ }
>> +};
>
>> +static int rtl8xxxu_read_efuse(struct rtl8xxxu_priv *priv)
>> +{
>
> []
>
>> +	while (efuse_addr < EFUSE_REAL_CONTENT_LEN_8723A) {
>> +		ret = rtl8xxxu_read_efuse8(priv, efuse_addr++, &header);
>> +		if (ret || header == 0xff)
>> +			goto exit;
>
> break and no exit label would be more common
>
> []
>
>> +exit:
>> +	rtl8723au_write8(priv, REG_EFUSE_ACCESS, EFUSE_ACCESS_DISABLE);
>> +
>> +	if (priv->efuse_wifi.efuse.rtl_id != cpu_to_le16(0x8129))
>> +		ret = EINVAL;
>
> -EINVAL

This needs to be fixed, however the return code isn't actually checked
at present, which is a bigger issue. It's a highly unlikely error
condition, so it can easily be fixed in a follow-on patch.

>> +static bool rtl8xxxu_simularity_compare(struct rtl8xxxu_priv *priv,
>> +					int result[][8], int c1, int c2)
>
> Looking through git history, simularity seems to be used
> because realtek can't spell.

It might be the case, but until I see some actual evidence of this, I am
not going to spend cycles on it. It's hardly something justifying the
patch noise in the first place.

Jes
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