On 21/08/2019 12:21:42+0100, Mark Brown wrote: > On Tue, Aug 20, 2019 at 01:33:14PM -0500, Li Yang wrote: > > > Some of the RTC hardware has the capability of address wrapping which > > means if you access a continuous address range across a certain > > boundary(could be the boundary of a regmap region) the hardware > > actually wrap the access to a lower address. But the address > > violation check of regmap rejects such access. According to > > Alexcandre, the address wrapping is essential to the functionality of > > It's *essential*? Will innovation never cease? >
To be clear, for some RTCs, its is the only way to accurately set the time. -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
