Patching lan78xx for SOF_TIMESTAMPING_TX_SOFTWARE support #4856
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Any objections, @P33M ? |
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No, but I would be sceptical of enabling software timestamping on a network device connected via USB - there's no guarantee that bulk packets are sent at any consistent interval from when the URBs are submitted. You'd probably get performance better than NTP, but not by much. |
popcornmix
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kernel: Patching lan78xx for SOF_TIMESTAMPING_TX_SOFTWARE support See: raspberrypi/linux#4856 kernel: i2c: bcm2835: Make clock-stretch timeout configurable See: raspberrypi/linux#4855 kernel: drm/vc4: Add DRM 210101010 RGB formats for hvs5. See: raspberrypi/linux#4859 kernel: vc4-kms-dpi overlay updates See: raspberrypi/linux#4860 kernel: Add Support for the Geekworm MZP280 DPI Display See: raspberrypi/linux#4853 kernel: DRM: Clean up handling of panel orientation See: raspberrypi/linux#4862 kernel: Add support for the MAX30102 heart rate and blood oxygen sensor See: raspberrypi/linux#4535 firmware: mmal: Add mapping for IL OMX_IndexParamBrcmEnableIJGTableScaling param See: raspberrypi/linux#4669 userland: Handle overlay parameters embedded in overlay_map.dtb See: raspberrypi/linux#4860
popcornmix
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kernel: Patching lan78xx for SOF_TIMESTAMPING_TX_SOFTWARE support See: raspberrypi/linux#4856 kernel: i2c: bcm2835: Make clock-stretch timeout configurable See: raspberrypi/linux#4855 kernel: drm/vc4: Add DRM 210101010 RGB formats for hvs5. See: raspberrypi/linux#4859 kernel: vc4-kms-dpi overlay updates See: raspberrypi/linux#4860 kernel: Add Support for the Geekworm MZP280 DPI Display See: raspberrypi/linux#4853 kernel: DRM: Clean up handling of panel orientation See: raspberrypi/linux#4862 kernel: Add support for the MAX30102 heart rate and blood oxygen sensor See: raspberrypi/linux#4535 firmware: mmal: Add mapping for IL OMX_IndexParamBrcmEnableIJGTableScaling param See: raspberrypi/linux#4669 userland: Handle overlay parameters embedded in overlay_map.dtb See: raspberrypi/linux#4860
This was referenced Nov 9, 2022
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This patch to the Raspberry 3B+ LAN78xx kernel driver enables the support for SOF_TIMESTAMPING_TX_SOFTWARE.
Aiming the software-transmit capability for PTP: