Messages in this thread | | | Date | Fri, 9 Jun 2017 07:44:02 +0200 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH 11/16] powerpc: vio_cmo: use dev_groups and not dev_attrs for bus_type |
| |
On Fri, Jun 09, 2017 at 08:53:22AM +1000, Michael Ellerman wrote: > Greg Kroah-Hartman <gregkh@linuxfoundation.org> writes: > > > On Thu, Jun 08, 2017 at 11:12:10PM +1000, Michael Ellerman wrote: > >> Greg Kroah-Hartman <gregkh@linuxfoundation.org> writes: > >> > >> > The dev_attrs field has long been "depreciated" and is finally being > >> > removed, so move the driver to use the "correct" dev_groups field > >> > instead for struct bus_type. > >> > > >> > Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> > >> > Cc: Paul Mackerras <paulus@samba.org> > >> > Cc: Michael Ellerman <mpe@ellerman.id.au> > >> > Cc: Vineet Gupta <vgupta@synopsys.com> > >> > Cc: Bart Van Assche <bart.vanassche@sandisk.com> > >> > Cc: Robin Murphy <robin.murphy@arm.com> > >> > Cc: Joerg Roedel <jroedel@suse.de> > >> > Cc: Johan Hovold <johan@kernel.org> > >> > Cc: Alexey Kardashevskiy <aik@ozlabs.ru> > >> > Cc: Krzysztof Kozlowski <krzk@kernel.org> > >> > Cc: <linuxppc-dev@lists.ozlabs.org> > >> > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > >> > --- > >> > arch/powerpc/platforms/pseries/vio.c | 37 +++++++++++++++++++++--------------- > >> > 1 file changed, 22 insertions(+), 15 deletions(-) > >> > >> This one needed a bit more work to get building, the incremental diff is > >> below. We need a forward declaration of name, devspec and modalias, > >> which is a bit weird, but that's how the code is currently structured. > >> And there's dev and bus attributes with the same name, so that needed an > >> added "bus". > >> > >> I booted v2 of patch 10 and this one and everything looks identical to > >> upstream. > > > > Ah, many thanks, this was on my todo list to fix up today. > > > > But you renamed the sysfs files when you added "bus" to the function > > names, are you sure you want to do that? I don't mind, but if you > > happen to have userspace tools that look at those files, they just broke > > :( > > Ugh crap, no that won't work. > > I didn't see it when I tested because my machine doesn't have the CMO > feature enabled. > > I guess we have to open code some of the BUS_ATTR_RO() etc. so we can > avoid the name clash.
Or split it into multiple files, I've solved this that way in the past. You shouldn't have to "open code" BUS_ATTR_RO().
thanks,
greg k-h
| |