Hi, On Wed, Aug 06, 2014 at 02:26:10AM +0800, Fabio Estevam wrote: > Hi, > > I am running linux-next 20140805 on a imx6q-sabresd board and noticed > the following error: > > root@freescale /$ dmesg | grep pci > [ 0.168095] imx6q-pcie 1ffc000.pcie: missing *config* reg space > [ 0.501019] imx6q-pcie 1ffc000.pcie: phy link never came up > [ 0.501579] imx6q-pcie 1ffc000.pcie: PCI host bridge to bus 0000:00 > > This 'missing *config* reg space' was introduced by: dev_err printing the above message should be dev_dbg until all the platform specifies its configuration space definition through *reg* instead of *ranges*. > commit 4dd964df36d0e548e1806ec2ec275b62d4dc46e8 > Author: Kishon Vijay Abraham I <kishon@xxxxxx> > Date: Thu Jul 17 14:30:40 2014 +0530 > > PCI: designware: Look for configuration space in 'reg', not 'ranges' > > The configuration address space has so far been specified in *ranges*, > however it should be specified in *reg* making it a platform MEM resource. > Hence used 'platform_get_resource_*' API to get configuration address space > in the designware driver. > > Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx> > Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> > Acked-by: Mohit Kumar <mohit.kumar@xxxxxx> > Acked-by: Jingoo Han <jg1.han@xxxxxxxxxxx> > Cc: Jason Gunthorpe <jgunthorpe@xxxxxxxxxxxxxxxxxxxx> > Cc: Marek Vasut <marex@xxxxxxx> > Cc: Arnd Bergmann <arnd@xxxxxxxx> > > Wouldn't this break dt compatibility? In spite of the above missing *config* message, your system should work fine. This patch should not affect any older platform.They will assign their cfg space through restype == 0. ~Pratyush > -- > To unsubscribe from this list: send the line "unsubscribe linux-pci" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html