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mirror_ubuntu-kernels/drivers/net/can
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Marc Kleine-Budde 81d192c2ce can: c_can: don't cache TX messages for C_CAN cores 
As Jacob noticed, the optimization introduced in 387da6bc7a ("can:
c_can: cache frames to operate as a true FIFO") doesn't properly work
on C_CAN, but on D_CAN IP cores. The exact reasons are still unknown.

For now disable caching if CAN frames in the TX path for C_CAN cores.

Fixes: 387da6bc7a ("can: c_can: cache frames to operate as a true FIFO")
Link: https://lore.kernel.org/all/20220928083354.1062321-1-mkl@pengutronix.de
Link: https://lore.kernel.org/all/15a8084b-9617-2da1-6704-d7e39d60643b@gmail.com
Reported-by: Jacob Kroon <jacob.kroon@gmail.com>
Tested-by: Jacob Kroon <jacob.kroon@gmail.com>
Cc: stable@vger.kernel.org # v5.15
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2022-09-28 10:34:04 +02:00
..
c_can can: c_can: don't cache TX messages for C_CAN cores 2022-09-28 10:34:04 +02:00
cc770 can: tree-wide: advertise software timestamping capabilities 2022-07-28 11:44:01 +02:00
ctucanfd can: tree-wide: advertise software timestamping capabilities 2022-07-28 11:44:01 +02:00
dev can: dev: add generic function can_eth_ioctl_hwts() 2022-07-28 11:44:30 +02:00
flexcan can: flexcan: flexcan_mailbox_read() fix return value for drop = true 2022-09-21 09:48:51 +02:00
ifi_canfd can: tree-wide: advertise software timestamping capabilities 2022-07-28 11:44:01 +02:00
m_can can: tree-wide: advertise software timestamping capabilities 2022-07-28 11:44:01 +02:00
mscan powerpc updates for 6.0 2022-08-06 16:38:17 -07:00
peak_canfd can: peak_canfd: advertise timestamping capabilities and add ioctl support 2022-07-28 11:44:31 +02:00
rcar can: tree-wide: advertise software timestamping capabilities 2022-07-28 11:44:01 +02:00
sja1000 can: tree-wide: advertise software timestamping capabilities 2022-07-28 11:44:01 +02:00
slcan can: tree-wide: advertise software timestamping capabilities 2022-07-28 11:44:01 +02:00
softing can: tree-wide: advertise software timestamping capabilities 2022-07-28 11:44:01 +02:00
spi can: mcp251x: Fix race condition on receive interrupt 2022-08-09 21:40:22 +02:00
usb can: gs_usb: gs_usb_set_phys_id(): return with error if identify is not supported 2022-09-21 09:48:52 +02:00
at91_can.c can: tree-wide: advertise software timestamping capabilities 2022-07-28 11:44:01 +02:00
can327.c can: can327: fix a broken link to Documentation 2022-07-31 20:53:50 +02:00
grcan.c can: tree-wide: advertise software timestamping capabilities 2022-07-28 11:44:01 +02:00
janz-ican3.c can: tree-wide: advertise software timestamping capabilities 2022-07-28 11:44:01 +02:00
Kconfig can: slcan: use CAN network device driver API 2022-07-03 11:34:28 +02:00
kvaser_pciefd.c can: kvaser_pciefd: advertise timestamping capabilities and add ioctl support 2022-07-28 11:44:30 +02:00
Makefile can: slcan: move driver into separate sub directory 2022-07-03 11:34:44 +02:00
pch_can.c can: tree-wide: advertise software timestamping capabilities 2022-07-28 11:44:01 +02:00
sun4i_can.c can: tree-wide: advertise software timestamping capabilities 2022-07-28 11:44:01 +02:00
ti_hecc.c SPDX changes for 6.0-rc1 2022-08-04 12:12:54 -07:00
vcan.c can: tree-wide: advertise software timestamping capabilities 2022-07-28 11:44:01 +02:00
vxcan.c can: tree-wide: advertise software timestamping capabilities 2022-07-28 11:44:01 +02:00
xilinx_can.c can: tree-wide: advertise software timestamping capabilities 2022-07-28 11:44:01 +02:00