Andrey Skvortsov <andrej.skvortzov@xxxxxxxxx> wrote:
>
> On 25-07-11 00:11, Ping-Ke Shih wrote:
> > Andrey Skvortsov <andrej.skvortzov@xxxxxxxxx> wrote:
> > > This is needed for AP mode. Otherwise client sees the network, but
> > > can't connect to it.
> > >
> > > REG_FWHW_TXQ_CTRL+1 is set to WLAN_TXQ_RPT_EN (0x1F) in common mac
> > > init function (__rtw8723x_mac_init), but the value was overwritten
> > > from mac table later.
> > >
> > > Tables with register values for phy parameters initialization are
> > > copied from vendor driver usually. When table will be regenerated,
> > > manual modifications to it may be lost. To avoid regressions in this
> > > case new callback mac_postinit is introduced, that is called after
> > > parameters from table are set.
> > >
> > > Tested on rtl8723cs, that reuses rtw8703b driver.
> > >
> > > Signed-off-by: Andrey Skvortsov <andrej.skvortzov@xxxxxxxxx>
> > > ---
> > >
> > > Changes in v2:
> > > - introduce mac_postinit callback to avoid changing register tables
> > >
> > > Changes in v3:
> > > - merge two patches back together
> > > - remove unused initialization in rtw_mac_postinit
> > > - init unused .mac_postinit fields in drivers with NULL
> > >
> > > drivers/net/wireless/realtek/rtw88/mac.c | 11 +++++++++++
> > > drivers/net/wireless/realtek/rtw88/mac.h | 1 +
> > > drivers/net/wireless/realtek/rtw88/main.c | 6 ++++++
> > > drivers/net/wireless/realtek/rtw88/main.h | 1 +
> > > drivers/net/wireless/realtek/rtw88/rtw8703b.c | 1 +
> > > drivers/net/wireless/realtek/rtw88/rtw8723d.c | 1 +
> > > drivers/net/wireless/realtek/rtw88/rtw8723x.c | 9 ++++++++-
> > > drivers/net/wireless/realtek/rtw88/rtw8723x.h | 6 ++++++
> > > drivers/net/wireless/realtek/rtw88/rtw8812a.c | 1 +
> > > drivers/net/wireless/realtek/rtw88/rtw8814a.c | 1 +
> > > drivers/net/wireless/realtek/rtw88/rtw8821a.c | 1 +
> > > drivers/net/wireless/realtek/rtw88/rtw8821c.c | 1 +
> > > drivers/net/wireless/realtek/rtw88/rtw8822b.c | 1 +
> > > drivers/net/wireless/realtek/rtw88/rtw8822c.c | 1 +
> > > 14 files changed, 41 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/drivers/net/wireless/realtek/rtw88/mac.c b/drivers/net/wireless/realtek/rtw88/mac.c
> > > index 011b81c82f3ba..e1ec9aa401fa0 100644
> > > --- a/drivers/net/wireless/realtek/rtw88/mac.c
> > > +++ b/drivers/net/wireless/realtek/rtw88/mac.c
> > > @@ -1409,3 +1409,14 @@ int rtw_mac_init(struct rtw_dev *rtwdev)
> > >
> > > return 0;
> > > }
> > > +
> > > +int rtw_mac_postinit(struct rtw_dev *rtwdev)
> > > +{
> > > + const struct rtw_chip_info *chip = rtwdev->chip;
> > > + int ret;
> > > +
> > > + if (chip->ops->mac_postinit)
> > > + ret = chip->ops->mac_postinit(rtwdev);
> > > +
> >
> > 'ret' is not used [1].
> >
> > Prefer:
> >
> > if (!chip->ops->mac_postinit)
> > return 0;
> >
> > return chip->ops->mac_postinit(rtwdev);
> >
> > [1] http://wifibot.sipsolutions.net/results/981272/14152513/build_clang/stderr
> >
>
> Thanks, sorry I've missed warning.
> I'll use CONFIG_WERROR and change my build pipeline, so this will not happen in the future.
>
You can also check the result in patchwork [1] after a while you sent patch.
[1] https://patchwork.kernel.org/project/linux-wireless/list/
