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The NMC((Network management controller), which has > secure access to DDRMC registers, gathers the necessary information and > transmits it through RPMsg. > > During probe, the driver registers with RPMsg and retrieves DDR > configuration by scheduling a work item from the NMC. > Once this is completed, it registers the EDAC controller. > When an error occurs, the NMC sends an RPMsg, notifying the driver. > The EDAC driver handles error reporting for all events. > Also we register the EDAC once and it reports the errors for all the > events including the 8 DDRMC controllers. So while registering we give > the particulars of the 1st controller. > > Currently 20 errors has been tested. > > > Changes in v7: > - add a minimal header instead moving them > - Add the kernel doc description > - Add the prototype from first patch to export patch > - Add the reviewed by tag > - Update the header paths > - merge edac_cdx_pcol.h > > Changes in v6: > - Patch added > - Update commit description > - Update the commit message. > - update to the chip name as xlnx,versal-net > - Correct indentation > - Update to xlnx,versal-net-ddrmc5 > - Update the kconfig message > - Make the messages uniform > - Add some more supported events > - rename regval to reglo > - combine/ reformat functions > - remove trailing comments > - Remove unneeded comments > - make the amd_mcdi function void > - rename versalnet_rpmsg_edac to versalnet_edac > - Remove the column bit and use them directly > - Update the comments > - Update the mod_name to versalnet_edac > - remove the global priv col and rows > - rename edac_priv to mc_priv > - Update the comment description for dwidth > - Remove error_id enum > - rename the variable par to parity > - make get_ddr_config void > - Fix memory leak of the mcdi structure > - Update the spelling > - Remove the workqueue > > Changes in v5: > - Update the binding > - Update the compatible > - Update the handle_error documentation > > Changes in v4: > - Update the compatible > - align the example > - Enhance the description for rproc > - Update the compatible > > Changes in v3: > - make remove void > > Changes in v2: > - Export the symbols for module compilation > - New patch addition > - rename EDAC to memory controller > - update the compatible name > - Add remote proc handle > - Read the data width from the registers > - Remove the dwidth, rank and channel number the same is > read from the RpMsg. > - remove reset > - Add the remote proc requests > - remove probe_once > - reorder the rpmsg registration > - the data width , rank and number of channel is read from message. > > Shubhrajyoti Datta (5): > cdx: add the headers to include/linux > cdx: Export Symbols for MCDI RPC and Initialization > ras: Export log_non_standard_event for External Usage > dt-bindings: memory-controllers: Add support for Versal NET EDAC > EDAC/VersalNET: Add support for error notification > > .../xlnx,versal-net-ddrmc5.yaml | 41 + > drivers/cdx/controller/mcdi.c | 29 + > drivers/edac/Kconfig | 11 + > drivers/edac/Makefile | 1 + > drivers/edac/versalnet_edac.c | 1108 +++++++++++++++++ > drivers/ras/ras.c | 1 + > include/linux/cdx/bitfield.h | 78 ++ > include/linux/cdx/edac_cdx_pcol.h | 28 + > include/linux/cdx/mcdi.h | 198 +++ > 9 files changed, 1495 insertions(+) > create mode 100644 Documentation/devicetree/bindings/memory-controllers/xlnx,versal-net-ddrmc5.yaml > create mode 100644 drivers/edac/versalnet_edac.c > create mode 100644 include/linux/cdx/bitfield.h > create mode 100644 include/linux/cdx/edac_cdx_pcol.h > create mode 100644 include/linux/cdx/mcdi.h > Acked-by: Michal Simek Thanks, Michal