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This patch is used for reconstructing the absolute time from the 32bit hardware time stamping value. The do_aux ioctl is used for reading the ptp hardware clock and store it to global variable. The timestamped value in tail tag during rx and register during tx are 32 bit value (2 bit seconds and 30 bit nanoseconds). The time taken to read entire ptp clock will be time consuming. In order to speed up, the software clock is maintained. This clock time will be added to 32 bit timestamp to get the absolute time stamp. Signed-off-by: Christian Eggers <ceggers@arri.de> Co-developed-by: Arun Ramadoss <arun.ramadoss@microchip.com> Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| .. | ||
| Kconfig | ||
| ksz8.h | ||
| ksz8795_reg.h | ||
| ksz8795.c | ||
| ksz8863_smi.c | ||
| ksz9477_i2c.c | ||
| ksz9477_reg.h | ||
| ksz9477.c | ||
| ksz9477.h | ||
| ksz_common.c | ||
| ksz_common.h | ||
| ksz_ptp_reg.h | ||
| ksz_ptp.c | ||
| ksz_ptp.h | ||
| ksz_spi.c | ||
| lan937x_main.c | ||
| lan937x_reg.h | ||
| lan937x.h | ||
| Makefile | ||