On 18-07-26 12:20 PM, Andrew Lunn wrote: > On Thu, Jul 26, 2018 at 11:36:24AM -0700, Arun Parameswaran wrote: >> Add support for saving and restoring the 'scan control' register >> in the Broadcom iProc mdio mux driver. > > Hi Arun > > I don't see anything setting this register. So why is it necessary to > save it over suspend/resume? > > Andrew > Hi Andrew In the Omega SoC (only), this register was defaulted incorrectly (to use a test mode) by the hardware. So we added the setup of the register to the early bootloader (ATF). We still need to restore this register while resuming from sleep. Thanks Arun -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
