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[2a02:3100:903d:3d00:b0e7:6bd7:f613:784b]) by smtp.googlemail.com with ESMTPSA id m9-20020a170906848900b00947a97a42f2sm7594773ejx.103.2023.04.12.12.23.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 12 Apr 2023 12:23:35 -0700 (PDT) Message-ID: Date: Wed, 12 Apr 2023 21:21:48 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: [PATCH v3 3/4] pwm: meson: change clk/pwm gate from mask to bit Content-Language: en-US From: Heiner Kallweit To: Jerome Brunet , Martin Blumenstingl , Neil Armstrong , Kevin Hilman , =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , "thierry.reding@gmail.com" Cc: "linux-arm-kernel@lists.infradead.org" , "open list:ARM/Amlogic Meson..." , linux-pwm@vger.kernel.org References: <29973c8a-2b14-3d0c-bee8-8aff36c265e3@gmail.com> In-Reply-To: <29973c8a-2b14-3d0c-bee8-8aff36c265e3@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org Change single-bit values from mask to bit. This facilitates CCF initialization for the clock gate in a follow-up patch. Signed-off-by: Heiner Kallweit --- drivers/pwm/pwm-meson.c | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c index 2a86867c1..40a8709ff 100644 --- a/drivers/pwm/pwm-meson.c +++ b/drivers/pwm/pwm-meson.c @@ -49,16 +49,16 @@ #define PWM_HIGH_MASK GENMASK(31, 16) #define REG_MISC_AB 0x8 -#define MISC_B_CLK_EN BIT(23) -#define MISC_A_CLK_EN BIT(15) +#define MISC_B_CLK_EN 23 +#define MISC_A_CLK_EN 15 #define MISC_CLK_DIV_MASK 0x7f #define MISC_B_CLK_DIV_SHIFT 16 #define MISC_A_CLK_DIV_SHIFT 8 #define MISC_B_CLK_SEL_SHIFT 6 #define MISC_A_CLK_SEL_SHIFT 4 #define MISC_CLK_SEL_MASK 0x3 -#define MISC_B_EN BIT(1) -#define MISC_A_EN BIT(0) +#define MISC_B_EN 1 +#define MISC_A_EN 0 #define MESON_NUM_PWMS 2 #define MESON_MAX_MUX_PARENTS 4 @@ -67,22 +67,22 @@ static struct meson_pwm_channel_data { u8 reg_offset; u8 clk_sel_shift; u8 clk_div_shift; - u32 clk_en_mask; - u32 pwm_en_mask; + u8 clk_en_bit; + u8 pwm_en_bit; } meson_pwm_per_channel_data[MESON_NUM_PWMS] = { { .reg_offset = REG_PWM_A, .clk_sel_shift = MISC_A_CLK_SEL_SHIFT, .clk_div_shift = MISC_A_CLK_DIV_SHIFT, - .clk_en_mask = MISC_A_CLK_EN, - .pwm_en_mask = MISC_A_EN, + .clk_en_bit = MISC_A_CLK_EN, + .pwm_en_bit = MISC_A_EN, }, { .reg_offset = REG_PWM_B, .clk_sel_shift = MISC_B_CLK_SEL_SHIFT, .clk_div_shift = MISC_B_CLK_DIV_SHIFT, - .clk_en_mask = MISC_B_CLK_EN, - .pwm_en_mask = MISC_B_EN, + .clk_en_bit = MISC_B_CLK_EN, + .pwm_en_bit = MISC_B_EN, } }; @@ -231,7 +231,7 @@ static void meson_pwm_enable(struct meson_pwm *meson, struct pwm_device *pwm) value = readl(meson->base + REG_MISC_AB); value &= ~(MISC_CLK_DIV_MASK << channel_data->clk_div_shift); value |= channel->pre_div << channel_data->clk_div_shift; - value |= channel_data->clk_en_mask; + value |= BIT(channel_data->clk_en_bit); writel(value, meson->base + REG_MISC_AB); value = FIELD_PREP(PWM_HIGH_MASK, channel->hi) | @@ -239,7 +239,7 @@ static void meson_pwm_enable(struct meson_pwm *meson, struct pwm_device *pwm) writel(value, meson->base + channel_data->reg_offset); value = readl(meson->base + REG_MISC_AB); - value |= channel_data->pwm_en_mask; + value |= BIT(channel_data->pwm_en_bit); writel(value, meson->base + REG_MISC_AB); spin_unlock_irqrestore(&meson->lock, flags); @@ -253,7 +253,7 @@ static void meson_pwm_disable(struct meson_pwm *meson, struct pwm_device *pwm) spin_lock_irqsave(&meson->lock, flags); value = readl(meson->base + REG_MISC_AB); - value &= ~meson_pwm_per_channel_data[pwm->hwpwm].pwm_en_mask; + value &= ~BIT(meson_pwm_per_channel_data[pwm->hwpwm].pwm_en_bit); writel(value, meson->base + REG_MISC_AB); spin_unlock_irqrestore(&meson->lock, flags); @@ -335,7 +335,7 @@ static int meson_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, value = readl(meson->base + REG_MISC_AB); - tmp = channel_data->pwm_en_mask | channel_data->clk_en_mask; + tmp = BIT(channel_data->pwm_en_bit) | BIT(channel_data->clk_en_bit); state->enabled = (value & tmp) == tmp; tmp = value >> channel_data->clk_div_shift; -- 2.40.0