Hi Arnd, Ok i will try the same way that pci-versatile.c Thanks. Gabriel On 16 March 2015 at 21:00, Arnd Bergmann <arnd@xxxxxxxx> wrote: > On Monday 16 March 2015 13:00:51 Kumar Gala wrote: >> On Mar 16, 2015, at 9:20 AM, Gabriel FERNANDEZ <gabriel.fernandez@xxxxxx> wrote: >> >> > ST sti SoCs PCIe IPs are built around DesignWare IP Core. >> > But in these SoCs PCIe IP doesn't support IO. >> > >> > This patch adds the possibility to disable it through >> > a DT property, by creating an empty IO window and by >> > removing PCI_COMMAND_IO from the setup register. >> > >> > Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxx> >> > Signed-off-by: Gabriel Fernandez <gabriel.fernandez@xxxxxxxxxx> >> > --- >> > .../devicetree/bindings/pci/designware-pcie.txt | 2 ++ >> > drivers/pci/host/pcie-designware.c | 24 ++++++++++++++++++++-- >> > drivers/pci/host/pcie-designware.h | 1 + >> > 3 files changed, 25 insertions(+), 2 deletions(-) >> >> Why not just update the code such that if the ranges doesn’t have an IO >> space rather than introducing a new DT property? > > I suspect we can simplify this now by changing over the designware PCI > code from pci_common_init_dev to calling pci_scan_root_bus() in the > same way that pci-versatile.c does. This would also clean up some > other areas of the driver and let you do proper error handling > in the probe. > > Arnd -- 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
