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[2003:f1:33dd:a400:7cb8:8412:54cd:64fd]) by smtp.googlemail.com with ESMTPSA id o8sm12794540wra.4.2019.05.25.11.11.43 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 25 May 2019 11:11:44 -0700 (PDT) From: Martin Blumenstingl To: linux-amlogic@lists.infradead.org, linux-pwm@vger.kernel.org, thierry.reding@gmail.com, u.kleine-koenig@pengutronix.de Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Martin Blumenstingl Subject: [PATCH 01/14] pwm: meson: unify the parameter list of meson_pwm_{enable,disable} Date: Sat, 25 May 2019 20:11:20 +0200 Message-Id: <20190525181133.4875-2-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190525181133.4875-1-martin.blumenstingl@googlemail.com> References: <20190525181133.4875-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a preparation for a future cleanup. Pass struct pwm_device instead of passing the individual values required by each function as these can be obtained for each struct pwm_device instance. As a nice side-effect the driver now uses "switch (pwm->hwpwm)" everywhere. Before some functions used "switch (id)" while others used "switch (pwm->hwpwm)". No functional changes. Signed-off-by: Martin Blumenstingl --- drivers/pwm/pwm-meson.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c index 5fef7e925282..3fbbc4128ce8 100644 --- a/drivers/pwm/pwm-meson.c +++ b/drivers/pwm/pwm-meson.c @@ -183,15 +183,14 @@ static int meson_pwm_calc(struct meson_pwm *meson, return 0; } -static void meson_pwm_enable(struct meson_pwm *meson, - struct meson_pwm_channel *channel, - unsigned int id) +static void meson_pwm_enable(struct meson_pwm *meson, struct pwm_device *pwm) { + struct meson_pwm_channel *channel = pwm_get_chip_data(pwm); u32 value, clk_shift, clk_enable, enable; unsigned int offset; unsigned long flags; - switch (id) { + switch (pwm->hwpwm) { case 0: clk_shift = MISC_A_CLK_DIV_SHIFT; clk_enable = MISC_A_CLK_EN; @@ -228,12 +227,12 @@ static void meson_pwm_enable(struct meson_pwm *meson, spin_unlock_irqrestore(&meson->lock, flags); } -static void meson_pwm_disable(struct meson_pwm *meson, unsigned int id) +static void meson_pwm_disable(struct meson_pwm *meson, struct pwm_device *pwm) { u32 value, enable; unsigned long flags; - switch (id) { + switch (pwm->hwpwm) { case 0: enable = MISC_A_EN; break; @@ -266,7 +265,7 @@ static int meson_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, return -EINVAL; if (!state->enabled) { - meson_pwm_disable(meson, pwm->hwpwm); + meson_pwm_disable(meson, pwm); channel->state.enabled = false; return 0; @@ -293,7 +292,7 @@ static int meson_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, } if (state->enabled && !channel->state.enabled) { - meson_pwm_enable(meson, channel, pwm->hwpwm); + meson_pwm_enable(meson, pwm); channel->state.enabled = true; } -- 2.21.0