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Thu, 21 May 2026 03:43:55 -0700 (PDT) From: Hungyu Lin To: gregkh@linuxfoundation.org Cc: dan.carpenter@linaro.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Hungyu Lin Subject: [PATCH v2 1/2] staging: rtl8723bs: simplify LPS_RF_ON_check control flow Date: Thu, 21 May 2026 10:43:15 +0000 Message-Id: <20260521104316.27739-2-dennylin0707@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260521104316.27739-1-dennylin0707@gmail.com> References: <20260521104316.27739-1-dennylin0707@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Replace err + break pattern with direct returns to simplify the control flow and improve readability. No functional change intended. Signed-off-by: Hungyu Lin --- v2: - Drop unrelated comment formatting changes drivers/staging/rtl8723bs/core/rtw_pwrctrl.c | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) diff --git a/drivers/staging/rtl8723bs/core/rtw_pwrctrl.c b/drivers/staging= /rtl8723bs/core/rtw_pwrctrl.c index ca1cb58fc801..56dbe0f36d65 100644 --- a/drivers/staging/rtl8723bs/core/rtw_pwrctrl.c +++ b/drivers/staging/rtl8723bs/core/rtw_pwrctrl.c @@ -397,27 +397,21 @@ s32 LPS_RF_ON_check(struct adapter *padapter, u32 del= ay_ms) { unsigned long start_time; u8 bAwake =3D false; - s32 err =3D 0; =20 start_time =3D jiffies; while (1) { rtw_hal_get_hwreg(padapter, HW_VAR_FWLPS_RF_ON, &bAwake); if (bAwake) - break; + return 0; =20 - if (padapter->bSurpriseRemoved) { - err =3D -2; - break; - } + if (padapter->bSurpriseRemoved) + return -2; + + if (jiffies_to_msecs(jiffies - start_time) > delay_ms) + return -1; =20 - if (jiffies_to_msecs(jiffies - start_time) > delay_ms) { - err =3D -1; - break; - } msleep(1); 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Thu, 21 May 2026 03:43:56 -0700 (PDT) From: Hungyu Lin To: gregkh@linuxfoundation.org Cc: dan.carpenter@linaro.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Hungyu Lin Subject: [PATCH v2 2/2] staging: rtl8723bs: convert LPS_RF_ON_check to errno Date: Thu, 21 May 2026 10:43:16 +0000 Message-Id: <20260521104316.27739-3-dennylin0707@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260521104316.27739-1-dennylin0707@gmail.com> References: <20260521104316.27739-1-dennylin0707@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Convert LPS_RF_ON_check() to return standard kernel error codes. Replace -1 and -2 with -ETIMEDOUT and -ENODEV respectively. No functional change intended as callers currently ignore the return value. Signed-off-by: Hungyu Lin --- drivers/staging/rtl8723bs/core/rtw_pwrctrl.c | 12 ++++++------ drivers/staging/rtl8723bs/include/rtw_pwrctrl.h | 2 +- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/staging/rtl8723bs/core/rtw_pwrctrl.c b/drivers/staging= /rtl8723bs/core/rtw_pwrctrl.c index 56dbe0f36d65..661d4a7eb797 100644 --- a/drivers/staging/rtl8723bs/core/rtw_pwrctrl.c +++ b/drivers/staging/rtl8723bs/core/rtw_pwrctrl.c @@ -389,11 +389,11 @@ void rtw_set_ps_mode(struct adapter *padapter, u8 ps_= mode, =20 /* * Return: - *0: Leave OK - *-1: Timeout - *-2: Other error + * 0: Leave OK + * -ETIMEDOUT: Timeout + * -ENODEV: Other error */ -s32 LPS_RF_ON_check(struct adapter *padapter, u32 delay_ms) +int LPS_RF_ON_check(struct adapter *padapter, u32 delay_ms) { unsigned long start_time; u8 bAwake =3D false; @@ -405,10 +405,10 @@ s32 LPS_RF_ON_check(struct adapter *padapter, u32 del= ay_ms) return 0; =20 if (padapter->bSurpriseRemoved) - return -2; + return -ENODEV; =20 if (jiffies_to_msecs(jiffies - start_time) > delay_ms) - return -1; + return -ETIMEDOUT; =20 msleep(1); } diff --git a/drivers/staging/rtl8723bs/include/rtw_pwrctrl.h b/drivers/stag= ing/rtl8723bs/include/rtw_pwrctrl.h index c27d07861b8c..7dc9c4e2dfd2 100644 --- a/drivers/staging/rtl8723bs/include/rtw_pwrctrl.h +++ b/drivers/staging/rtl8723bs/include/rtw_pwrctrl.h @@ -233,7 +233,7 @@ int ips_leave(struct adapter *padapter); =20 void rtw_ps_processor(struct adapter *padapter); =20 -s32 LPS_RF_ON_check(struct adapter *padapter, u32 delay_ms); +int LPS_RF_ON_check(struct adapter *padapter, u32 delay_ms); void LPS_Enter(struct adapter *padapter, const char *msg); void LPS_Leave(struct adapter *padapter, const char *msg); void traffic_check_for_leave_lps(struct adapter *padapter, u8 tx, u32 tx_p= ackets); --=20 2.34.1