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    SubjectRe: [RFC PATCH v2 1/2] drivers: misc: omap: add a new driver for ocp2scp

    On Mon, Jul 16, 2012 at 1:42 PM, Felipe Balbi <> wrote:
    > Hi,
    > On Mon, Jun 25, 2012 at 04:26:08PM +0000, Arnd Bergmann wrote:
    >> On Monday 25 June 2012, Felipe Balbi wrote:
    >> > > > Can't this live where the scp drivers live? Actually, where is that at?
    >> > > > Do we have scp drivers?
    >> > > AFAIK, there isn't any driver for scp. But we have a driver for ocp
    >> > > and it is present at arch/arm/mach-omap2/omap_l3_noc.c
    >> >
    >> > I don't think this deserves a directory of its own. Maybe
    >> > drivers/platform/arm/omap/ ?? the l3_noc is an OMAP-specific
    >> > interconnect and the SCP bus is also an OMAP-specific bus. I don't know
    >> > of any other arch/soc who uses the same interconnect IP as OMAP and the
    >> > same ocp2scp bridge. That bridge was created by TI for all I know.
    >> >
    >> > Greg, would drivers/platform/arm/omap/ work for you ? We could also move
    >> > the interconnect drivers there.
    >> I really don't like the idea of introducing drivers/platform/arm/ because
    >> very little of the stuff that one would put in there are actually ARM
    >> specific.
    >> I have suggested a drivers/bus/ before and people did not see the need
    >> back then, and we agreed to continue having a directory for each bus,
    >> as we have for the big ones (pci, usb, i2c, spi, ...) and a lot of
    >> simple (amba, rapidio, bcma, ...) or obscure (tc, vlynq, nubus, ...)
    >> ones.
    >> I think we should reconsider the idea of drivers/bus/ with a file per
    >> bus in there at least for new buses, but doing a new drivers/scp/
    >> would be ok for me if there is enough opposition against the idea
    >> of drivers/bus aggregating different buses.
    > I don't mind either way. The fact is that this ocp-to-scp bridge is
    > really a TI/OMAP thing. Not sure it deserves a directory of its own.

    Ok. Then I'll have a file in drivers/bus/ for ocp2scp driver.


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