On Tue, Apr 26, 2022 at 03:39:15PM +0200, Guenter Roeck wrote: > On 4/26/22 02:29, Mårten Lindahl wrote: > > Several of the manuals for devices supported by this driver describes > > the need for a minimum wait time before the chip is ready to receive > > next command. > > > > This wait time is already implemented in the driver as a ltc_wait_ready > > function with a driver defined wait time of 100 ms, and is considered > > for specific devices before reading/writing data on the pmbus. > > > > Since this driver uses the default pmbus_regulator_ops for the enable/ > > disable/is_enabled functions and these functions do not check for driver > > specific read/write ops, the wait time recommendations are bypassed for > > several of the devices managed by this driver (ltc3880/ltc3882/ltc3883/ > > ltc3884/ltc3886/ltc3887/ltc3889/ltm4664/ltm4675/ltm4676/ltm4677/ltm4678/ > > ltm4680/ltm4686/ltm4700/ltc7880). > > > > Lets add support for driver specific callbacks in pmbus core which takes > > the wait time into consideration for the specified devices. > > > > This should be two patches: one patch to add the callback to the pmbus core > and a second patch to use it from the ltc2978 driver. Ok, I will do that. Thanks! Kind regards Mårten > > Guenter
