On 02-12-21, 10:52, Herve Codina wrote: > Hi, > > This patch series fixes the plgpio support on SPEAr3xx SOCs. > > The first four patches of this series fixes a ressources > sharing issue between the plgpio driver and the pinmux > driver. > Indeed, these two drivers can use the same IO address range > on some SPEAr3xx SOCs. > To solve the issue, a regmap (syscon managed) is used in both > drivers and the plgpio driver can reference the pinmux regmap > to use it. > > The second part of this series is related to IRQs. > The plgpio on SPEAr320s SOC uses an IRQ line in the reserve > range (from SPEAr320 point of view). > This issue is fixed enabling all the 'reserved' IRQs and > adding a dtsi file for the SPEAr320s with the correct interrupt > for the plgpio node. Are these changes backwards compatible ? I mean new kernel will work with old DTBs ? It may be quite important to not break that here. -- viresh
