From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out4436.biz.mail.alibaba.com (out4436.biz.mail.alibaba.com [47.88.44.36]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F37E7168 for ; Fri, 21 Jan 2022 11:55:38 +0000 (UTC) X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R121e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04395;MF=jiapeng.chong@linux.alibaba.com;NM=1;PH=DS;RN=5;SR=0;TI=SMTPD_---0V2RJRP6_1642765797; Received: from localhost(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0V2RJRP6_1642765797) by smtp.aliyun-inc.com(127.0.0.1); Fri, 21 Jan 2022 19:50:02 +0800 From: Jiapeng Chong To: gregkh@linuxfoundation.org Cc: linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Jiapeng Chong , Abaci Robot Subject: [PATCH] staging: pi433: using div64_u64() instead of do_div() Date: Fri, 21 Jan 2022 19:49:55 +0800 Message-Id: <20220121114955.96979-1-jiapeng.chong@linux.alibaba.com> X-Mailer: git-send-email 2.20.1.7.g153144c Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Clean the following coccicheck warning: ./drivers/staging/pi433/rf69.c:286:1-7: WARNING: do_div() does a 64-by-32 division, please consider using div64_u64 instead. ./drivers/staging/pi433/rf69.c:332:1-7: WARNING: do_div() does a 64-by-32 division, please consider using div64_u64 instead. Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong --- drivers/staging/pi433/rf69.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/pi433/rf69.c b/drivers/staging/pi433/rf69.c index d64df072d8e8..ae4adeb00ce1 100644 --- a/drivers/staging/pi433/rf69.c +++ b/drivers/staging/pi433/rf69.c @@ -283,7 +283,7 @@ int rf69_set_deviation(struct spi_device *spi, u32 deviation) // calculate register settings f_reg = deviation * factor; - do_div(f_reg, f_step); + div64_u64(f_reg, f_step); msb = (f_reg & 0xff00) >> 8; lsb = (f_reg & 0xff); @@ -329,7 +329,7 @@ int rf69_set_frequency(struct spi_device *spi, u32 frequency) // calculate reg settings f_reg = frequency * factor; - do_div(f_reg, f_step); + div64_u64(f_reg, f_step); msb = (f_reg & 0xff0000) >> 16; mid = (f_reg & 0xff00) >> 8; -- 2.20.1.7.g153144c