Messages in this thread | | | From | Lorenzo Pieralisi <> | Subject | Re: [PATCH] PCI: tegra: Read "dbi" base address to program in application logic | Date | Tue, 1 Dec 2020 10:39:21 +0000 |
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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
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