On 09/22/2011 04:20 PM, Arnd Bergmann wrote: > On Thursday 22 September 2011, Wolfgang Grandegger wrote: >> On 09/21/2011 11:24 AM, Arnd Bergmann wrote: >>> On Wednesday 21 September 2011 10:33:10 Wolfgang Grandegger wrote: >>> The other point is that you are probably using inb/outb operations, >>> which I'm trying to provide only on ISA/PCMCIA/PCI based systems in >>> the future. Once I finish that work, you will also need to depend on >>> HAS_IOPORT (which currently means something else). >> >> OK, the sja1000_isa driver just uses memory mapped access. > > According to this it uses both PIO and MMIO: > > $ git grep '\(in\|out\|read\|write\)\(b\|w\|l\)' > drivers/net/can/sja1000/sja1000_isa.c > drivers/net/can/sja1000/sja1000_isa.c: return readb(priv->reg_base + reg); > drivers/net/can/sja1000/sja1000_isa.c: writeb(val, priv->reg_base + reg); > drivers/net/can/sja1000/sja1000_isa.c: return inb((unsigned > long)priv->reg_base + reg); > drivers/net/can/sja1000/sja1000_isa.c: outb(val, (unsigned > long)priv->reg_base + reg); > drivers/net/can/sja1000/sja1000_isa.c: outb(reg, base); > drivers/net/can/sja1000/sja1000_isa.c: return inb(base + 1); > drivers/net/can/sja1000/sja1000_isa.c: outb(reg, base); > drivers/net/can/sja1000/sja1000_isa.c: outb(val, base + 1);
Ah, oh, I forgot. The driver supports both, I/O port and memory mapped access. > But don't worry about it, I'll make the right Kconfig annotation when I > submit my > patches. OK, Wolfgang. _______________________________________________ Socketcan-core mailing list Socketcan-core@lists.berlios.de https://lists.berlios.de/mailman/listinfo/socketcan-core
