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Fri, 6 Sep 2024 11:39:40 GMT Received: from hu-skakitap-hyd.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Fri, 6 Sep 2024 04:39:36 -0700 From: Satya Priya Kakitapalli To: Michael Turquette , Stephen Boyd , Bjorn Andersson CC: Dmitry Baryshkov , Satya Priya Kakitapalli , , , , Ajit Pandey , Taniya Das , Imran Shaik , Jagadeesh Kona , "Dan Carpenter" , Vladimir Zapolskiy , Jon Hunter , "kernel test robot" Subject: [PATCH V3] clk: qcom: clk-alpha-pll: Simplify the zonda_pll_adjust_l_val() Date: Fri, 6 Sep 2024 17:09:05 +0530 Message-ID: <20240906113905.641336-1-quic_skakitap@quicinc.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: d0yfOX_VjtyYl2xHa4V5VIv2t0LHPGcb X-Proofpoint-GUID: d0yfOX_VjtyYl2xHa4V5VIv2t0LHPGcb X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_01,2024-09-05_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 suspectscore=0 clxscore=1011 priorityscore=1501 phishscore=0 malwarescore=0 bulkscore=0 mlxscore=0 adultscore=0 spamscore=0 impostorscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2408220000 definitions=main-2409060084 In zonda_pll_adjust_l_val() replace the divide operator with comparison operator to fix below build error and smatch warning. drivers/clk/qcom/clk-alpha-pll.o: In function `clk_zonda_pll_set_rate': clk-alpha-pll.c:(.text+0x45dc): undefined reference to `__aeabi_uldivmod' smatch warnings: drivers/clk/qcom/clk-alpha-pll.c:2129 zonda_pll_adjust_l_val() warn: replace divide condition '(remainder * 2) / prate' with '(remainder * 2) >= prate' Fixes: f4973130d255 ("clk: qcom: clk-alpha-pll: Update set_rate for Zonda PLL") Reported-by: Jon Hunter Reported-by: kernel test robot Reported-by: Dan Carpenter Closes: https://lore.kernel.org/r/202408110724.8pqbpDiD-lkp@intel.com/ Signed-off-by: Satya Priya Kakitapalli Reviewed-by: Vladimir Zapolskiy Tested-by: Jon Hunter --- drivers/clk/qcom/clk-alpha-pll.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c index 019713c38f25..f9105443d7db 100644 --- a/drivers/clk/qcom/clk-alpha-pll.c +++ b/drivers/clk/qcom/clk-alpha-pll.c @@ -2176,10 +2176,8 @@ static void zonda_pll_adjust_l_val(unsigned long rate, unsigned long prate, u32 quotient = rate; remainder = do_div(quotient, prate); - *l = quotient; - if ((remainder * 2) / prate) - *l = *l + 1; + *l = rate + (u32)(remainder * 2 >= prate); } static int clk_zonda_pll_set_rate(struct clk_hw *hw, unsigned long rate,