[U-Boot] [U-Boot, v2, 1/1] drivers: rtc: correct week day for mc146818

[Tom Rini]

On Sun, Jul 08, 2018 at 12:07:26AM +0200, Heinrich Schuchardt wrote:

> For qemu-x86 the date command produces wrong days of the week:
> Date: 2018-07-06 (Saturday)    Time: 18:02:03
> Date: 2018-07-07 (unknown day)    Time: 21:02:06
> 
> According to a comment in the Linux driver the mc146818 only updates the
> day of the week if the register value is non-zero.
> 
> Sunday is 1, saturday is 7 unlike in U-Boot (see data sheet
> https://www.nxp.com/docs/en/data-sheet/MC146818.pdf).
> 
> So let's use our library function to determine the day of the week.
> 
> Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>

Applied to u-boot/master, thanks!

-- 
Tom
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