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Thu, 19 Mar 2026 13:01:21 -0700 (PDT) Received: from fedora ([2401:4900:a4b7:57e3:7cd6:8a47:3f05:6595]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35bc62e4506sm3653078a91.6.2026.03.19.13.01.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Mar 2026 13:01:21 -0700 (PDT) From: AyushMukkanwar To: gregkh@linuxfoundation.org Cc: s9430939@naver.com, architanant5@gmail.com, andriy.shevchenko@intel.com, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, AyushMukkanwar Subject: [PATCH] staging: rtl8723bs: Replace msleep with usleep_range Date: Fri, 20 Mar 2026 01:24:37 +0530 Message-ID: <20260319195437.53068-1-ayushmukkanwar@gmail.com> X-Mailer: git-send-email 2.53.0 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" The checkpatch.pl script flagged a warning regarding the use of msleep() for less than 20ms. msleep() relies on jiffies and can be inaccurate for short durations, leading to inefficient delays. Replace msleep(10) with usleep_range(10000, 12000) to allow for timer coalescing. This gives the kernel scheduler a 2ms window to group wakeups, improving overall system power efficiency while maintaining the required 10ms minimum delay. Signed-off-by: AyushMukkanwar --- drivers/staging/rtl8723bs/core/rtw_cmd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/rtl8723bs/core/rtw_cmd.c b/drivers/staging/rtl= 8723bs/core/rtw_cmd.c index abb84f8aecbe..bab48392f296 100644 --- a/drivers/staging/rtl8723bs/core/rtw_cmd.c +++ b/drivers/staging/rtl8723bs/core/rtw_cmd.c @@ -214,7 +214,7 @@ void _rtw_free_evt_priv(struct evt_priv *pevtpriv) { _cancel_workitem_sync(&pevtpriv->c2h_wk); while (pevtpriv->c2h_wk_alive) - msleep(10); + usleep_range(10000, 12000); =20 while (!rtw_cbuf_empty(pevtpriv->c2h_queue)) { void *c2h =3D rtw_cbuf_pop(pevtpriv->c2h_queue); --=20 2.53.0