On 21:01-20210104, Kishon Vijay Abraham I wrote: > Nishanth, > > On 04/01/21 8:21 pm, Nishanth Menon wrote: > > On 18:52-20210104, Kishon Vijay Abraham I wrote: > >> Nishanth, > >> > >> On 04/01/21 6:46 pm, Nishanth Menon wrote: > >>> On 18:40-20210104, Kishon Vijay Abraham I wrote: > >>>> Nishanth, > >>>> > >>>> On 04/01/21 6:29 pm, Nishanth Menon wrote: > >>>>> On 17:52-20210104, Kishon Vijay Abraham I wrote: > >>>>>> Patch series adds DT nodes in order to get PCIe working in J7200. > >>>>>> Also includes couple of fixes for J721e. > >>>>>> > >>>>>> v1 of the patch series can be found @ [1] > >>>>>> v2 of the patch series can be found @ [2] > >>>>>> > >>>>>> Changes from v2: > >>>>>> 1) Moved serdes_refclk node out of interconnect node and also replaced > >>>>>> "_" with "-" > >>>>>> > >>>>>> Changes from v1: > >>>>>> 1) Include only the device tree patches here (the binding patch is sent > >>>>>> separately) > >>>>>> 2) Include couple of patches that fixes J721E DTS. > >>>>>> > >>>>>> [1] -> http://lore.kernel.org/r/20201102101154.13598-1-kishon@xxxxxx > >>>>>> [2] -> http://lore.kernel.org/r/20201210130747.25436-1-kishon@xxxxxx > >>>>>> > >>>>>> Kishon Vijay Abraham I (6): > >>>>>> arm64: dts: ti: k3-j721e-main: Fix supported max outbound regions > >>>>>> arm64: dts: ti: k3-j721e-main: Remove "syscon" nodes added for > >>>>>> pcieX_ctrl > >>>>>> arm64: dts: ti: k3-j7200-main: Add SERDES and WIZ device tree node > >>>>>> arm64: dts: ti: k3-j7200-main: Add PCIe device tree node > >>>>>> arm64: dts: ti: k3-j7200-common-proc-board: Enable SERDES0 > >>>>>> arm64: dts: ti: k3-j7200-common-proc-board: Enable PCIe > >>>>>> > >>>>>> .../dts/ti/k3-j7200-common-proc-board.dts | 38 ++++++ > >>>>>> arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 111 ++++++++++++++++++ > >>>>>> arch/arm64/boot/dts/ti/k3-j721e-main.dtsi | 52 ++------ > >>>>>> 3 files changed, 157 insertions(+), 44 deletions(-) > >>>>> > >>>>> > >>>>> A bit confused on the dependency here. is there something merged into > >>>>> next-20210104 that makes this series ready for pickup? is there a way > >>>>> I can get a immutable tag for driver fixups to pull so that my dts > >>>>> next is not broken for PCIe (I am assuming looking at the series that > >>>>> this is probably not a backward compatible series?)? > >>>> > >>>> There are no driver changes for the basic J7200 PCIe support and the DT > >>>> bindings are already merged [1]. > >>>> > >>>> There are few errata fixes applicable for J721E which has to be removed > >>>> for J7200 but that depends on other patches to be merged [1] but that > >>>> doesn't impact j7200 functionality. > >>>> > >>>> [1] -> > >>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml#n19 > >>>> [2] -> http://lore.kernel.org/r/20201230120515.2348-1-nadeem@xxxxxxxxxxx > >>> > >>> So, Dropping stuff like "cdns,max-outbound-regions" (change from 16 to > >>> 32) will work on older kernels? Could you do a quick sanity check on the > >>> couple of "fixes" patches in this thread is not breaking functionality > >>> introduced in the older stable kernels? > >> > >> Okay, the driver changes are done such that it works with both old DT > >> and new DT however the newer DT will not work with old kernel. So I > >> think I should drop the "Fixes" tag in the DT patches. > > > > If there is a specific stable kernel version you might like to use, you > > could use that as well for those stable tags (see [1]) > > It's not a fix that might bother people (as it doesn't impact existing > functionality), so don't think it's a candidate for stable releases. OK. please repost without the fixes tag. -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D
