Thread (19 messages) 19 messages, 5 authors, 2016-06-08

Re: [PATCH 4/8] mfd: ti_am335x_tscadc: Unify variable naming when refrencing ti_tscadc_dev

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From: Dave Gerlach <hidden>
Date: 2016-05-31 17:54:25
Also in: linux-iio, lkml

Hi,
On 05/31/2016 12:00 PM, Andrew F. Davis wrote:
All functions in this driver reference the same ti_tscadc_dev per device
but use several different names for this structure pointer, this can
be confusing when following the code. Use the name 'tscadc' everywhere.
$subject typo: "refrencing" should be "referencing"

Regards,
Dave
quoted hunk ↗ jump to hunk
Signed-off-by: Andrew F. Davis <redacted>
---
  drivers/mfd/ti_am335x_tscadc.c | 88 +++++++++++++++++++++---------------------
  1 file changed, 44 insertions(+), 44 deletions(-)
diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c
index 613f15d..9b293b1 100644
--- a/drivers/mfd/ti_am335x_tscadc.c
+++ b/drivers/mfd/ti_am335x_tscadc.c
@@ -34,89 +34,89 @@ static const struct regmap_config tscadc_regmap_config = {
  	.val_bits = 32,
  };

-void am335x_tsc_se_set_cache(struct ti_tscadc_dev *tsadc, u32 val)
+void am335x_tsc_se_set_cache(struct ti_tscadc_dev *tscadc, u32 val)
  {
  	unsigned long flags;

-	spin_lock_irqsave(&tsadc->reg_lock, flags);
-	tsadc->reg_se_cache |= val;
-	if (tsadc->adc_waiting)
-		wake_up(&tsadc->reg_se_wait);
-	else if (!tsadc->adc_in_use)
-		regmap_write(tsadc->regmap_tscadc, REG_SE, tsadc->reg_se_cache);
+	spin_lock_irqsave(&tscadc->reg_lock, flags);
+	tscadc->reg_se_cache |= val;
+	if (tscadc->adc_waiting)
+		wake_up(&tscadc->reg_se_wait);
+	else if (!tscadc->adc_in_use)
+		regmap_write(tscadc->regmap_tscadc, REG_SE, tscadc->reg_se_cache);

-	spin_unlock_irqrestore(&tsadc->reg_lock, flags);
+	spin_unlock_irqrestore(&tscadc->reg_lock, flags);
  }
  EXPORT_SYMBOL_GPL(am335x_tsc_se_set_cache);

-static void am335x_tscadc_need_adc(struct ti_tscadc_dev *tsadc)
+static void am335x_tscadc_need_adc(struct ti_tscadc_dev *tscadc)
  {
  	DEFINE_WAIT(wait);
  	u32 reg;

-	regmap_read(tsadc->regmap_tscadc, REG_ADCFSM, &reg);
+	regmap_read(tscadc->regmap_tscadc, REG_ADCFSM, &reg);
  	if (reg & SEQ_STATUS) {
-		tsadc->adc_waiting = true;
-		prepare_to_wait(&tsadc->reg_se_wait, &wait,
+		tscadc->adc_waiting = true;
+		prepare_to_wait(&tscadc->reg_se_wait, &wait,
  				TASK_UNINTERRUPTIBLE);
-		spin_unlock_irq(&tsadc->reg_lock);
+		spin_unlock_irq(&tscadc->reg_lock);

  		schedule();

-		spin_lock_irq(&tsadc->reg_lock);
-		finish_wait(&tsadc->reg_se_wait, &wait);
+		spin_lock_irq(&tscadc->reg_lock);
+		finish_wait(&tscadc->reg_se_wait, &wait);

  		/*
  		 * Sequencer should either be idle or
  		 * busy applying the charge step.
  		 */
-		regmap_read(tsadc->regmap_tscadc, REG_ADCFSM, &reg);
+		regmap_read(tscadc->regmap_tscadc, REG_ADCFSM, &reg);
  		WARN_ON((reg & SEQ_STATUS) && !(reg & CHARGE_STEP));
-		tsadc->adc_waiting = false;
+		tscadc->adc_waiting = false;
  	}
-	tsadc->adc_in_use = true;
+	tscadc->adc_in_use = true;
  }

-void am335x_tsc_se_set_once(struct ti_tscadc_dev *tsadc, u32 val)
+void am335x_tsc_se_set_once(struct ti_tscadc_dev *tscadc, u32 val)
  {
-	spin_lock_irq(&tsadc->reg_lock);
-	am335x_tscadc_need_adc(tsadc);
+	spin_lock_irq(&tscadc->reg_lock);
+	am335x_tscadc_need_adc(tscadc);

-	regmap_write(tsadc->regmap_tscadc, REG_SE, val);
-	spin_unlock_irq(&tsadc->reg_lock);
+	regmap_write(tscadc->regmap_tscadc, REG_SE, val);
+	spin_unlock_irq(&tscadc->reg_lock);
  }
  EXPORT_SYMBOL_GPL(am335x_tsc_se_set_once);

-void am335x_tsc_se_adc_done(struct ti_tscadc_dev *tsadc)
+void am335x_tsc_se_adc_done(struct ti_tscadc_dev *tscadc)
  {
  	unsigned long flags;

-	spin_lock_irqsave(&tsadc->reg_lock, flags);
-	tsadc->adc_in_use = false;
-	regmap_write(tsadc->regmap_tscadc, REG_SE, tsadc->reg_se_cache);
-	spin_unlock_irqrestore(&tsadc->reg_lock, flags);
+	spin_lock_irqsave(&tscadc->reg_lock, flags);
+	tscadc->adc_in_use = false;
+	regmap_write(tscadc->regmap_tscadc, REG_SE, tscadc->reg_se_cache);
+	spin_unlock_irqrestore(&tscadc->reg_lock, flags);
  }
  EXPORT_SYMBOL_GPL(am335x_tsc_se_adc_done);

-void am335x_tsc_se_clr(struct ti_tscadc_dev *tsadc, u32 val)
+void am335x_tsc_se_clr(struct ti_tscadc_dev *tscadc, u32 val)
  {
  	unsigned long flags;

-	spin_lock_irqsave(&tsadc->reg_lock, flags);
-	tsadc->reg_se_cache &= ~val;
-	regmap_write(tsadc->regmap_tscadc, REG_SE, tsadc->reg_se_cache);
-	spin_unlock_irqrestore(&tsadc->reg_lock, flags);
+	spin_lock_irqsave(&tscadc->reg_lock, flags);
+	tscadc->reg_se_cache &= ~val;
+	regmap_write(tscadc->regmap_tscadc, REG_SE, tscadc->reg_se_cache);
+	spin_unlock_irqrestore(&tscadc->reg_lock, flags);
  }
  EXPORT_SYMBOL_GPL(am335x_tsc_se_clr);

-static void tscadc_idle_config(struct ti_tscadc_dev *config)
+static void tscadc_idle_config(struct ti_tscadc_dev *tscadc)
  {
  	unsigned int idleconfig;

  	idleconfig = STEPCONFIG_YNN | STEPCONFIG_INM_ADCREFM |
  			STEPCONFIG_INP_ADCREFM | STEPCONFIG_YPN;

-	regmap_write(config->regmap_tscadc, REG_IDLECONFIG, idleconfig);
+	regmap_write(tscadc->regmap_tscadc, REG_IDLECONFIG, idleconfig);
  }

  static	int ti_tscadc_probe(struct platform_device *pdev)
@@ -298,9 +298,9 @@ static int ti_tscadc_remove(struct platform_device *pdev)

  static int __maybe_unused tscadc_suspend(struct device *dev)
  {
-	struct ti_tscadc_dev	*tscadc_dev = dev_get_drvdata(dev);
+	struct ti_tscadc_dev	*tscadc = dev_get_drvdata(dev);

-	regmap_write(tscadc_dev->regmap_tscadc, REG_SE, 0x00);
+	regmap_write(tscadc->regmap_tscadc, REG_SE, 0x00);
  	pm_runtime_put_sync(dev);

  	return 0;
@@ -308,26 +308,26 @@ static int __maybe_unused tscadc_suspend(struct device *dev)

  static int __maybe_unused tscadc_resume(struct device *dev)
  {
-	struct ti_tscadc_dev	*tscadc_dev = dev_get_drvdata(dev);
+	struct ti_tscadc_dev	*tscadc = dev_get_drvdata(dev);
  	u32 ctrl;

  	pm_runtime_get_sync(dev);

  	/* context restore */
  	ctrl = CNTRLREG_STEPCONFIGWRT |	CNTRLREG_STEPID;
-	regmap_write(tscadc_dev->regmap_tscadc, REG_CTRL, ctrl);
+	regmap_write(tscadc->regmap_tscadc, REG_CTRL, ctrl);

-	if (tscadc_dev->tsc_cell != -1) {
-		if (tscadc_dev->tsc_wires == 5)
+	if (tscadc->tsc_cell != -1) {
+		if (tscadc->tsc_wires == 5)
  			ctrl |= CNTRLREG_5WIRE | CNTRLREG_TSCENB;
  		else
  			ctrl |= CNTRLREG_4WIRE | CNTRLREG_TSCENB;
-		tscadc_idle_config(tscadc_dev);
+		tscadc_idle_config(tscadc);
  	}
  	ctrl |= CNTRLREG_TSCSSENB;
-	regmap_write(tscadc_dev->regmap_tscadc, REG_CTRL, ctrl);
+	regmap_write(tscadc->regmap_tscadc, REG_CTRL, ctrl);

-	regmap_write(tscadc_dev->regmap_tscadc, REG_CLKDIV, tscadc_dev->clk_div);
+	regmap_write(tscadc->regmap_tscadc, REG_CLKDIV, tscadc->clk_div);

  	return 0;
  }
  
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