Message ID | 20240126074045.20159-4-nylon.chen@sifive.com |
---|---|
State | Superseded |
Headers | show
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[59.124.168.89]) by smtp.gmail.com with ESMTPSA id n3-20020a170902e54300b001d4816958c2sm521066plf.166.2024.01.25.23.41.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Jan 2024 23:41:06 -0800 (PST) From: Nylon Chen <nylon.chen@sifive.com> To: linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pwm@vger.kernel.org, conor@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, palmer@dabbelt.com, paul.walmsley@sifive.com, aou@eecs.berkeley.edu, thierry.reding@gmail.com, u.kleine-koenig@pengutronix.de Cc: vincent.chen@sifive.com, zong.li@sifive.com, nylon.chen@sifive.com, nylon7717@gmail.com Subject: [PATCH v8 3/3] pwm: sifive: Fix the error in the idempotent test within the pwm_apply_state_debug function Date: Fri, 26 Jan 2024 15:40:45 +0800 Message-ID: <20240126074045.20159-4-nylon.chen@sifive.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240126074045.20159-1-nylon.chen@sifive.com> References: <20240126074045.20159-1-nylon.chen@sifive.com> Precedence: bulk X-Mailing-List: linux-pwm@vger.kernel.org List-Id: <linux-pwm.vger.kernel.org> List-Subscribe: <mailto:linux-pwm+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-pwm+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit |
Series |
Change PWM-controlled LED pin active mode and algorithm
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expand
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diff --git a/drivers/pwm/pwm-sifive.c b/drivers/pwm/pwm-sifive.c index b07c8598bb21..7cf7a76cdb44 100644 --- a/drivers/pwm/pwm-sifive.c +++ b/drivers/pwm/pwm-sifive.c @@ -101,7 +101,7 @@ static void pwm_sifive_update_clock(struct pwm_sifive_ddata *ddata, /* As scale <= 15 the shift operation cannot overflow. */ num = (unsigned long long)NSEC_PER_SEC << (PWM_SIFIVE_CMPWIDTH + scale); - ddata->real_period = div64_ul(num, rate); + ddata->real_period = DIV_ROUND_UP_ULL(num, rate); dev_dbg(ddata->chip.dev, "New real_period = %u ns\n", ddata->real_period); }