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From:   Guru Das Srinagesh <gurus@codeaurora.org>
To:     linux-pwm@vger.kernel.org,
        Thierry Reding <thierry.reding@gmail.com>,
        =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= 
        <u.kleine-koenig@pengutronix.de>
Cc:     Subbaraman Narayanamurthy <subbaram@codeaurora.org>,
        David Collins <collinsd@codeaurora.org>,
        linux-kernel@vger.kernel.org, Joe Perches <joe@perches.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Lee Jones <lee.jones@linaro.org>,
        Arnd Bergmann <arnd@arndb.de>,
        Geert Uytterhoeven <geert@linux-m68k.org>,
        Guenter Roeck <linux@roeck-us.net>,
        Daniel Thompson <daniel.thompson@linaro.org>,
        Dan Carpenter <dan.carpenter@oracle.com>,
        linux-arm-kernel@lists.infradead.org,
        Guru Das Srinagesh <gurus@codeaurora.org>
Subject: [PATCH v15 07/11] pwm: sifive: Use 64-bit division macro
Date:   Tue, 26 May 2020 10:35:07 -0700
Message-Id: <d0c834872cc4e162b2358f801aca783f7e1cc214.1590514331.git.gurus@codeaurora.org>
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References: <cover.1590514331.git.gurus@codeaurora.org>
In-Reply-To: <cover.1590514331.git.gurus@codeaurora.org>
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Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Since the PWM framework is switching struct pwm_args.period's datatype
to u64, prepare for this transition by using DIV64_U64_ROUND_CLOSEST to
handle a 64-bit divisor.

Signed-off-by: Guru Das Srinagesh <gurus@codeaurora.org>
Acked-by: Palmer Dabbelt <palmerdabbelt@google.com>
---
 drivers/pwm/pwm-sifive.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pwm/pwm-sifive.c b/drivers/pwm/pwm-sifive.c
index cc63f9b..62de0bb 100644
--- a/drivers/pwm/pwm-sifive.c
+++ b/drivers/pwm/pwm-sifive.c
@@ -181,7 +181,7 @@ static int pwm_sifive_apply(struct pwm_chip *chip, struct pwm_device *pwm,
 	 * consecutively
 	 */
 	num = (u64)duty_cycle * (1U << PWM_SIFIVE_CMPWIDTH);
-	frac = DIV_ROUND_CLOSEST_ULL(num, state->period);
+	frac = DIV64_U64_ROUND_CLOSEST(num, state->period);
 	/* The hardware cannot generate a 100% duty cycle */
 	frac = min(frac, (1U << PWM_SIFIVE_CMPWIDTH) - 1);
 
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