On 12/07/16 18:22, Alexandre Belloni wrote:
> Hi,
>
> Very few comments below
>
> On 05/07/2016 at 20:48:41 +0100, Ben Dooks wrote :
>> +/* registers accessed from cpu bus */
>> +#define RTC_REG(x) ((x) * 4) /* rtc registers 0-4 */
>> +
>> +#define LINE_SDI (1 << 2)
>> +#define LINE_SEN (1 << 1)
>> +#define LINE_SCLK (1 << 0)
>
> Maybe use BIT() here.
I'll sort that out later.
>> +/* RTC interface layer functions */
>> +
>> +static int meson_rtc_gettime(struct device *dev, struct rtc_time *tm)
>> +{
>> + struct meson_rtc *rtc = dev_get_drvdata(dev);
>> + int ret;
>> + u32 time;
>> +
>> + mutex_lock(&rtc->lock);
>> +
>> + ret = meson_rtc_read(rtc, RTC_COUNTER, &time);
>> + if (!ret) {
>> + rtc_time_to_tm(time, tm);
>
> Can you use the 64bit version?
What would the 64bit version gain? The hardware register is 32bit.
--
Ben Dooks http://www.codethink.co.uk/
Senior Engineer Codethink - Providing Genius
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