On Wed, 2013-05-29 at 15:53 -0700, Andrew Morton wrote:
> On Tue, 21 May 2013 03:21:30 +0400 Sergey Yanovich <ynv...@gmail.com> wrote:
> @@ -321,6 +326,7 @@ static int ds1302_rtc_remove(struct platform_device *pdev)
> > {
> > struct rtc_device *rtc = platform_get_drvdata(pdev);
> >
> > + ds1302_writebyte(RTC_ADDR_CTRL, RTC_CMD_WRITE_DISABLE);
> > rtc_device_unregister(rtc);
> > platform_set_drvdata(pdev, NULL);
>
> ds1302_rtc_remove() no longer exists in my tree - it got whittled away
> to nothing by
> http://ozlabs.org/~akpm/mmots/broken-out/rtc-rtc-ds1302-remove-unnecessary-platform_set_drvdata.patch
> and
> http://ozlabs.org/~akpm/mmots/broken-out/drivers-rtc-rtc-ds1302c-remove-empty-function.patch
>
> Perhaps it should be re-added for this?
There are 2 options. I would be happy with either.
1. I've chosen 'probe/remove' to enable/disable write access.
2. Another option is to wrap enable/disable around
ds1302_rtc_set_time().
IIUC, the former saves a few bytes of memory. However, now, when
ds1302_rtc_remove() is gone, the latter looks better. So I could rewrite
the patch either way.
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