Messages in this thread | | | From | (Krzysztof Hałasa) | Subject | Re: [PATCH] i.MX6 PCIe: Fix imx6_pcie_deassert_core_reset() polarity | Date | Tue, 29 Mar 2016 07:29:33 +0200 |
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Tim Harvey <tharvey@gateworks.com> writes:
> It's not too easy to tell how many IMX6 boards incorrectly specify > their reset-gpio polarity. I don't know what the best way to determine > what boards use the IMX6 pcie host controller. Is there a dtc usage > that will display the compiled dtb's then we grep out 'compatible = > "fsl,imx6q-pcie"' to at least get the list of boards to inspect? I'm > curious if its just one or two boards that incorrectly specify the > polarity of their PCI reset.
I guess, maybe 8 of them. Not counting those with out-of-tree DTS/DTB files.
Something like: $ grep reset-gpio arch/arm/boot/dts/imx6* | grep -v phy-reset
> I figured out it was the change to enable CONFIG_PCI_MSI in v4.5 that > is causing interrupts to fail for me.
Right, a long standing issue. MSI never worked for me on i.MX6. -- Krzysztof Halasa
Industrial Research Institute for Automation and Measurements PIAP Al. Jerozolimskie 202, 02-486 Warsaw, Poland
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