[PATCH RESEND v9 5/5] rtc: Add driver for Maxim 77802 PMIC Real-Time-Clock

Andrew Morton akpm at linux-foundation.org
Fri Sep 12 15:13:34 PDT 2014


On Fri, 12 Sep 2014 10:17:43 +0200 Javier Martinez Canillas <javier.martinez at collabora.co.uk> wrote:

> The MAX7802 PMIC has a Real-Time-Clock (RTC) with two alarms.
> This patch adds support for the RTC and is based on a driver
> added by Simon Glass to the Chrome OS kernel 3.8 tree.
> 
> Signed-off-by: Javier Martinez Canillas <javier.martinez at collabora.co.uk>
> Reviewed-by: Krzysztof Kozlowski <k.kozlowski at samsung.com>

Would it be appropriate to gather Simon's signoff?

> +static inline int max77802_rtc_calculate_wday(u8 shifted)
> +{
> +	int counter = -1;
> +
> +	while (shifted) {
> +		shifted >>= 1;
> +		counter++;
> +	}

Can't use log2() or similar?

> +	return counter;
> +}



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