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Wed, 30 Sep 2026 11:03:42 -0700 (PDT) Message-ID: Date: Wed, 30 Sep 2026 21:03:41 +0300 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 rtw-next 2/7] wifi: rtw88: assign the RCR per chip in rtw_core_init To: Luka Gejak , Ping-Ke Shih Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, Michael Straube , Peter Robinson References: <20260930091604.52891-1-luka.gejak@linux.dev> <20260930091604.52891-3-luka.gejak@linux.dev> Content-Language: en-US From: Bitterblue Smith In-Reply-To: <20260930091604.52891-3-luka.gejak@linux.dev> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 30/09/2026 12:15, Luka Gejak wrote: > The receive control word is the same for every chip today. The generic > default is written in rtw_core_init(), so a chip that needs a different > value has to overwrite it afterwards, in its own init path, far away > from where the default is decided. I still don't understand why RTL8723B(S) would need a different value. > > Add an rcr field to struct rtw_chip_info and assign hal.rcr from it in > rtw_core_init(). Chips that do not set one keep the generic default, so > the field is optional and no existing chip changes behaviour. > > Signed-off-by: Luka Gejak > --- > drivers/net/wireless/realtek/rtw88/main.c | 10 ++++++---- > drivers/net/wireless/realtek/rtw88/main.h | 1 + > 2 files changed, 7 insertions(+), 4 deletions(-) > > diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c > index 0f23498b5c96..53d8552c0d35 100644 > --- a/drivers/net/wireless/realtek/rtw88/main.c > +++ b/drivers/net/wireless/realtek/rtw88/main.c > @@ -2191,10 +2191,12 @@ int rtw_core_init(struct rtw_dev *rtwdev) > > rtw_stats_init(rtwdev); > > - /* default rx filter setting */ > - rtwdev->hal.rcr = BIT_APP_FCS | BIT_APP_MIC | BIT_APP_ICV | > - BIT_PKTCTL_DLEN | BIT_HTC_LOC_CTRL | BIT_APP_PHYSTS | > - BIT_AB | BIT_AM | BIT_APM; > + /* default rx filter setting, or the chip's own value if it has one */ > + rtwdev->hal.rcr = chip->rcr; > + if (!chip->rcr) > + rtwdev->hal.rcr = BIT_APP_FCS | BIT_APP_MIC | BIT_APP_ICV | > + BIT_PKTCTL_DLEN | BIT_HTC_LOC_CTRL | > + BIT_APP_PHYSTS | BIT_AB | BIT_AM | BIT_APM; > > ret = rtw_load_firmware(rtwdev, RTW_NORMAL_FW); > if (ret) { > diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h > index d59f6e323adf..e0f389040089 100644 > --- a/drivers/net/wireless/realtek/rtw88/main.h > +++ b/drivers/net/wireless/realtek/rtw88/main.h > @@ -1253,6 +1253,7 @@ struct rtw_chip_info { > > /* init values */ > u8 sys_func_en; > + u32 rcr; > const struct rtw_pwr_seq_cmd * const *pwr_on_seq; > const struct rtw_pwr_seq_cmd * const *pwr_off_seq; > const struct rtw_rqpn *rqpn_table;