<yhchuang@xxxxxxxxxxx> writes:
> From: Tzu-En Huang <tehuang@xxxxxxxxxxx>
>
> The temperature of the chip can affect the output power
> of the RF components. Hence driver requires to compensate
> the power by adjusting the power index recorded in the
> power swing table.
>
> And if the difference of current thermal value to the
> default thermal value exceeds a threshold, the RF IQK
> should be triggered to re-calibrate the characteristics
> of the RF components, to keep the output IQ vectors of
> the RF components orthogonal enough.
>
> Signed-off-by: Tzu-En Huang <tehuang@xxxxxxxxxxx>
> Signed-off-by: Yan-Hsuan Chuang <yhchuang@xxxxxxxxxxx>
[...]
> +/* This table stores the values of TX power that will be adjusted by power
> + * tracking.
> + *
> + * For 5G bands, there are 3 different settings.
> + * For 2G there are cck rate and ofdm rate with different settings.
> + */
> +struct rtw_pwr_track_tbl {
> + const u8 *pwrtrk_5gb_n[RTW_PWRTRACK_5G_BAND_SIZE];
> + const u8 *pwrtrk_5gb_p[RTW_PWRTRACK_5G_BAND_SIZE];
> + const u8 *pwrtrk_5ga_n[RTW_PWRTRACK_5G_BAND_SIZE];
> + const u8 *pwrtrk_5ga_p[RTW_PWRTRACK_5G_BAND_SIZE];
> + const u8 *pwrtrk_2gb_n;
> + const u8 *pwrtrk_2gb_p;
> + const u8 *pwrtrk_2ga_n;
> + const u8 *pwrtrk_2ga_p;
> + const u8 *pwrtrk_2g_cckb_n;
> + const u8 *pwrtrk_2g_cckb_p;
> + const u8 *pwrtrk_2g_ccka_n;
> + const u8 *pwrtrk_2g_ccka_p;
> +};
[...]
> +void rtw_phy_config_swing_table(struct rtw_dev *rtwdev,
> + struct rtw_swing_table *swing_table)
> +{
> + const struct rtw_pwr_track_tbl *tbl = rtwdev->chip->pwr_track_tbl;
> + u8 channel = rtwdev->hal.current_channel;
> +
> + if (channel >= 1 && channel <= 14) {
> + if (rtwdev->dm_info.tx_rate <= DESC_RATE11M) {
> + swing_table->tup[0] = (u8 *)tbl->pwrtrk_2g_ccka_p;
> + swing_table->tdown[0] = (u8 *)tbl->pwrtrk_2g_ccka_n;
> + swing_table->tup[1] = (u8 *)tbl->pwrtrk_2g_cckb_p;
> + swing_table->tdown[1] = (u8 *)tbl->pwrtrk_2g_cckb_n;
> + } else {
> + swing_table->tup[0] = (u8 *)tbl->pwrtrk_2ga_p;
> + swing_table->tdown[0] = (u8 *)tbl->pwrtrk_2ga_n;
> + swing_table->tup[1] = (u8 *)tbl->pwrtrk_2gb_p;
> + swing_table->tdown[1] = (u8 *)tbl->pwrtrk_2gb_n;
> + }
This is ugly and immeadiately caught my attention, don't cast away the
const. It's const for a reason and if you cast it away you most likely
you create a bug somewhere. It's better to avoid casting as much as
possible as they get abused so easily.
I stopped reviewing here, will continue later.
--
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
