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authorMarc Kleine-Budde <[email protected]>2022-05-30 19:30:28 +0200
committerMarc Kleine-Budde <[email protected]>2022-07-04 11:43:00 +0200
commit4c3333693f07313f5f0145a922f14a7d3c0f4f21 (patch)
treea8aeec6e30e5acc5f9e51845cb739300fca37ce9 /lib/netdev-notifier-error-inject.c
parent5b12933de4e76ec164031c18ce8e0904abf530d7 (diff)
can: m_can: m_can_{read_fifo,echo_tx_event}(): shift timestamp to full 32 bits
In commit 1be37d3b0414 ("can: m_can: fix periph RX path: use rx-offload to ensure skbs are sent from softirq context") the RX path for peripheral devices was switched to RX-offload. Received CAN frames are pushed to RX-offload together with a timestamp. RX-offload is designed to handle overflows of the timestamp correctly, if 32 bit timestamps are provided. The timestamps of m_can core are only 16 bits wide. So this patch shifts them to full 32 bit before passing them to RX-offload. Link: https://lore.kernel.org/all/[email protected] Fixes: 1be37d3b0414 ("can: m_can: fix periph RX path: use rx-offload to ensure skbs are sent from softirq context") Cc: <[email protected]> # 5.13 Cc: Torin Cooper-Bennun <[email protected]> Reviewed-by: Chandrasekar Ramakrishnan <[email protected]> Signed-off-by: Marc Kleine-Budde <[email protected]>
Diffstat (limited to 'lib/netdev-notifier-error-inject.c')
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