Re: [NEW DRIVER V1 5/7] DA9058 GPIO driver

From: Mark Brown
Date: Thu Aug 02 2012 - 06:19:47 EST


On Thu, Aug 02, 2012 at 09:48:57AM +0100, Anthony Olech wrote:

> + mutex_lock(&gpio->lock);
> + ret = da9058_reg_read(da9058, DA9058_STATUSC_REG, &gpio_level);
> + mutex_unlock(&gpio->lock);

regmap already does locking for you.

> + ret = da9058_reg_read(da9058, DA9058_GPIO0001_REG, &gpio_cntrl);
> + if (ret)
> + goto exit;
> +
> + if (offset) {
> + gpio_cntrl &= ~0xF0;
> + gpio_cntrl |= 0xF0 & gpio->out_config;
> +
> + ret = da9058_reg_write(da9058, DA9058_GPIO0001_REG, gpio_cntrl);

Just use regmap_update_bits().
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