Re: [PATCH 21/40] mfd: ti_am335x_tscadc: Rename the subsystem enable macro

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On Wed, 25 Aug 2021 17:24:59 +0200
Miquel Raynal <miquel.raynal@xxxxxxxxxxx> wrote:

> This bit is common to all devices (ADC, Touchscreen, Magnetic reader) so
> make it clear that it can be used from any location by operating a
> mechanical rename:
> s/CNTRLREG_TSCSSENB/CNTRLREG_SSENB/
> 
> Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
I don't feel strongly either way on this one but if you feel it's a good idea fair enough.

Acked-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>

> ---
>  drivers/iio/adc/ti_am335x_adc.c      | 6 +++---
>  drivers/mfd/ti_am335x_tscadc.c       | 6 +++---
>  include/linux/mfd/ti_am335x_tscadc.h | 2 +-
>  3 files changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c
> index 855cc2d64ac8..f748d49f10f4 100644
> --- a/drivers/iio/adc/ti_am335x_adc.c
> +++ b/drivers/iio/adc/ti_am335x_adc.c
> @@ -184,7 +184,7 @@ static irqreturn_t tiadc_irq_h(int irq, void *private)
>  	if (status & IRQENB_FIFO1OVRRUN) {
>  		/* FIFO Overrun. Clear flag. Disable/Enable ADC to recover */
>  		config = tiadc_readl(adc_dev, REG_CTRL);
> -		config &= ~(CNTRLREG_TSCSSENB);
> +		config &= ~(CNTRLREG_SSENB);
>  		tiadc_writel(adc_dev, REG_CTRL, config);
>  		tiadc_writel(adc_dev, REG_IRQSTATUS, IRQENB_FIFO1OVRRUN
>  				| IRQENB_FIFO1UNDRFLW | IRQENB_FIFO1THRES);
> @@ -197,7 +197,7 @@ static irqreturn_t tiadc_irq_h(int irq, void *private)
>  			adc_fsm = tiadc_readl(adc_dev, REG_ADCFSM);
>  		} while (adc_fsm != 0x10 && count++ < 100);
>  
> -		tiadc_writel(adc_dev, REG_CTRL, (config | CNTRLREG_TSCSSENB));
> +		tiadc_writel(adc_dev, REG_CTRL, (config | CNTRLREG_SSENB));
>  		return IRQ_HANDLED;
>  	} else if (status & IRQENB_FIFO1THRES) {
>  		/* Disable irq and wake worker thread */
> @@ -671,7 +671,7 @@ static int __maybe_unused tiadc_suspend(struct device *dev)
>  	unsigned int idle;
>  
>  	idle = tiadc_readl(adc_dev, REG_CTRL);
> -	idle &= ~(CNTRLREG_TSCSSENB);
> +	idle &= ~(CNTRLREG_SSENB);
>  	tiadc_writel(adc_dev, REG_CTRL, (idle |
>  			CNTRLREG_POWERDOWN));
>  
> diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c
> index d661e8ae66c9..dd303523f9a3 100644
> --- a/drivers/mfd/ti_am335x_tscadc.c
> +++ b/drivers/mfd/ti_am335x_tscadc.c
> @@ -229,7 +229,7 @@ static	int ti_tscadc_probe(struct platform_device *pdev)
>  	tscadc_idle_config(tscadc);
>  
>  	/* Enable the TSC module enable bit */
> -	regmap_write(tscadc->regmap, REG_CTRL, tscadc->ctrl | CNTRLREG_TSCSSENB);
> +	regmap_write(tscadc->regmap, REG_CTRL, tscadc->ctrl | CNTRLREG_SSENB);
>  
>  	/* TSC Cell */
>  	if (tsc_wires > 0) {
> @@ -293,7 +293,7 @@ static int __maybe_unused tscadc_suspend(struct device *dev)
>  
>  		regmap_read(tscadc->regmap, REG_CTRL, &ctrl);
>  		ctrl &= ~(CNTRLREG_POWERDOWN);
> -		ctrl |= CNTRLREG_TSCSSENB;
> +		ctrl |= CNTRLREG_SSENB;
>  		regmap_write(tscadc->regmap, REG_CTRL, ctrl);
>  	}
>  	pm_runtime_put_sync(dev);
> @@ -310,7 +310,7 @@ static int __maybe_unused tscadc_resume(struct device *dev)
>  	regmap_write(tscadc->regmap, REG_CLKDIV, tscadc->clk_div);
>  	regmap_write(tscadc->regmap, REG_CTRL, tscadc->ctrl);
>  	tscadc_idle_config(tscadc);
> -	regmap_write(tscadc->regmap, REG_CTRL, tscadc->ctrl | CNTRLREG_TSCSSENB);
> +	regmap_write(tscadc->regmap, REG_CTRL, tscadc->ctrl | CNTRLREG_SSENB);
>  
>  	return 0;
>  }
> diff --git a/include/linux/mfd/ti_am335x_tscadc.h b/include/linux/mfd/ti_am335x_tscadc.h
> index 02963b6ebbac..a900fae8354c 100644
> --- a/include/linux/mfd/ti_am335x_tscadc.h
> +++ b/include/linux/mfd/ti_am335x_tscadc.h
> @@ -118,7 +118,7 @@
>  #define CHARGEDLY_OPENDLY	CHARGEDLY_OPEN(0x400)
>  
>  /* Control register */
> -#define CNTRLREG_TSCSSENB	BIT(0)
> +#define CNTRLREG_SSENB		BIT(0)
>  #define CNTRLREG_STEPID		BIT(1)
>  #define CNTRLREG_STEPCONFIGWRT	BIT(2)
>  #define CNTRLREG_POWERDOWN	BIT(4)




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