On Thu, 26 Nov 2020 00:55:54 +0530, Vidya Sagar wrote:
> PCIe controller in Tegra194 requires the "dbi" region base address to be
> programmed in one of the application logic registers to enable CPU access
> to the "dbi" region. But, commit a0fd361db8e5 ("PCI: dwc: Move "dbi",
> "dbi2", and "addr_space" resource setup into common code") moved the code
> that reads the whereabouts of "dbi" region to the common code causing the
> existing code in pcie-tegra194.c file to program NULL in the application
> logic registers. This is causing null pointer dereference when the "dbi"
> registers are accessed. This issue is fixed by explicitly reading the
> "dbi" base address from DT node.
Applied to pci/dwc, thanks!
[1/1] PCI: tegra: Read "dbi" base address to program in application logic
https://git.kernel.org/lpieralisi/pci/c/d5353c00cf
Thanks,
Lorenzo
