Re: [PATCH v2 08/15] PCI: endpoint: Fix pci_epf_alloc_space to set correct MEM TYPE flags

From: Lorenzo Pieralisi
Date: Thu Feb 14 2019 - 11:29:39 EST


On Wed, Feb 13, 2019 at 07:17:14PM +0530, Kishon Vijay Abraham I wrote:
> Hi Lorenzo,
>
> On 11/02/19 11:07 PM, Lorenzo Pieralisi wrote:
> > On Mon, Jan 14, 2019 at 04:45:06PM +0530, Kishon Vijay Abraham I wrote:
> >> pci_epf_alloc_space() sets the MEM TYPE flags to indicate a 32-bit
> >> Base Address Register irrespective of the size. Fix it here to indicate
> >> 64-bit BAR if the size is > 2GB.
> >>
> >> Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
> >> ---
> >> drivers/pci/endpoint/pci-epf-core.c | 4 +++-
> >> 1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > This looks like a fix and should me marked as such. Does it work
> > as as standalone patch if it gets backported ?
>
> Yeah, it should work. But the current users doesn't allocate > 2GB and some
> EPC drivers configure their registers based on size. So nothing is broken
> without this patch as such.

I suspect you mean 4GB (here and the commit log), right ? I am checking
the commit logs, aiming at merging the patches.

Lorenzo