On Thu, Feb 11, 2021 at 12:48:56PM +0200, stefanc@xxxxxxxxxxx wrote: > +static void mvpp2_cm3_write(struct mvpp2 *priv, u32 offset, u32 data) > +{ > + writel(data, priv->cm3_base + offset); > +} > + > +static u32 mvpp2_cm3_read(struct mvpp2 *priv, u32 offset) > +{ > + return readl(priv->cm3_base + offset); > +} > + Would it also make sense to have mvpp2_cm3_modify() ? You seem to be adding several instances of read-modify-write sequences to CM3 RAM in your series. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!