linux-kernel - Re: [PATCH V3 1/2] mfd: add TI TPS80031 mfd core driver

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Message-ID: <20121113074623.GL18224@opensource.wolfsonmicro.com>
Date:	Tue, 13 Nov 2012 16:46:24 +0900
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Laxman Dewangan <ldewangan@...dia.com>
Cc:	sameo@...ux.intel.com, lrg@...com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V3 1/2] mfd: add TI TPS80031 mfd core driver

On Sun, Nov 11, 2012 at 08:42:00PM +0530, Laxman Dewangan wrote:

> +#define TPS80031_RGEMAP_IRQ(_reg, _mask)			\

Why RGEMAP_IRQ?

> +static struct regmap_irq_chip tps80031_irq_chip = {
> +	.name = "tps80031",
> +	.irqs = tps80031_main_irqs,
> +	.num_irqs = ARRAY_SIZE(tps80031_main_irqs),
> +	.num_regs = 3,
> +	.status_base = TPS80031_INT_STS_A,
> +	.mask_base = TPS80031_INT_MSK_LINE_A,
> +	.wake_base = 1,

I'm not sure your wake_base setting is sane here - this is expected to
be a register.  If it is a register why is it not a #define?

> +static int __devinit tps80031_irq_init(struct tps80031 *tps80031, int irq,
> +				int irq_base)
> +{
> +	struct device *dev = tps80031->dev;
> +	int i, ret;
> +
> +	for (i = 0; i < 3; i++)
> +		tps80031_write(dev, SLAVE_ID2,
> +				TPS80031_INT_MSK_STS_A + i, 0x00);

regmap ought to be masking everything for you on init.

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