On Thu, Feb 20, 2014 at 08:13:08PM +0800, Kishon Vijay Abraham I wrote: > Hi Mohit, > > On Thursday 20 February 2014 05:28 PM, Mohit KUMAR DCG wrote: > > Hello Kishon, > > > >> -----Original Message----- > >> From: Kishon Vijay Abraham I [mailto:kishon@xxxxxx] > >> Sent: Thursday, February 20, 2014 5:08 PM > >> To: Mohit KUMAR DCG; jg1.han@xxxxxxxxxxx > >> Cc: Ajay KHANDELWAL; Bjorn Helgaas; spear-devel; linux- > >> pci@xxxxxxxxxxxxxxx > >> Subject: Re: [PATCH 2/2] PCI:designware:Fix iATU programming for cfg1, io > >> and mem viewport > >> > >> Hi, > >> > >> On Thursday 20 February 2014 10:52 AM, Mohit Kumar wrote: > >>> This patch correct iATU programming for cfg1, io and mem viewport. > >>> Enable ATU only after configuring it. > >> > >> Does this patch actually fixes device enumeration behind a PCIe-pci bridge or > >> this is more of cleaning up the sequence? > >> > > - This patch corrects ATU programming sequence. I am not aware of any such issue with > > current driver. Pls specify which bridge do you use in your setup and what is the problem? > > I tried with card [1], it had a PLX bridge chip. It couldn't read the > configuration space of the device connected to the PCIe-PCI bridge. So do you see abort while reading config space of device connected to the PCIe-PCI bridge? Do you see "received master abort" bit set in your RC's cfg register after you try to read? Regards Pratyush > > Thanks > Kishon > > [1] -> http://ratetorate.in/products/Wiretech-PCIe%252dto%252dPCI-Bridge-Card. > > > > > Regards > > Mohit > > > -- 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
