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efd8d98dfb
linux/drivers/net/can
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Marc Kleine-Budde efd8d98dfb can: mcp251xfd: add HW timestamp infrastructure 
This patch add the HW timestamping infrastructure. The mcp251xfd has a
free running timer of 32 bit width, running at max 40MHz, which wraps
around every 107 seconds. The current timestamp is latched into RX and
TEF objects automatically be the CAN controller.

This patch sets up a cyclecounter, timecounter and delayed worker
infrastructure (which runs every 45 seconds) to convert the timer into
a proper 64 bit based ns timestamp.

Link: https://lore.kernel.org/r/20210304160328.2752293-6-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2021-03-30 11:14:50 +02:00
..
c_can can: c_can: move runtime PM enable/disable to c_can_platform 2021-03-16 08:41:27 +01:00
cc770 can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
dev can: bittiming: add CAN_KBPS, CAN_MBPS and CAN_MHZ macros 2021-03-30 11:14:45 +02:00
ifi_canfd can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
m_can can: tcan4x5x: remove duplicate include of regmap.h 2021-03-30 11:14:48 +02:00
mscan can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
peak_canfd module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
rcar can: dev: can_free_echo_skb(): extend to return can frame length 2021-03-30 11:14:28 +02:00
sja1000 can: dev: can_free_echo_skb(): extend to return can frame length 2021-03-30 11:14:28 +02:00
softing can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
spi can: mcp251xfd: add HW timestamp infrastructure 2021-03-30 11:14:50 +02:00
usb can: peak_usb: add support of ONE_SHOT mode 2021-03-30 11:14:47 +02:00
at91_can.c can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
flexcan.c can: flexcan: flexcan_chip_freeze(): fix chip freeze for missing bitrate 2021-03-16 08:41:26 +01:00
grcan.c can: dev: can_free_echo_skb(): extend to return can frame length 2021-03-30 11:14:28 +02:00
janz-ican3.c can: replace can_dlc as variable/element for payload length 2020-11-20 12:04:12 +01:00
Kconfig can: grcan: add missing Kconfig dependency to HAS_IOMEM 2021-03-30 11:14:45 +02:00
kvaser_pciefd.c can: kvaser_pciefd: Always disable bus load reporting 2021-03-16 08:41:26 +01:00
led.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
Makefile can: dev: move driver related infrastructure into separate subdir 2021-01-13 09:42:58 +01:00
pch_can.c can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
slcan.c net: introduce CAN specific pointer in the struct net_device 2021-02-24 14:32:15 -08:00
sun4i_can.c can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
ti_hecc.c can: dev: can_rx_offload_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
vcan.c net: introduce CAN specific pointer in the struct net_device 2021-02-24 14:32:15 -08:00
vxcan.c net: introduce CAN specific pointer in the struct net_device 2021-02-24 14:32:15 -08:00
xilinx_can.c can: xilinx_can: Simplify code by using dev_err_probe() 2021-03-30 11:14:46 +02:00