diff options
| author | Torin Cooper-Bennun <torin@maxiluxsystems.com> | 2021-03-08 10:24:28 +0000 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2021-03-30 11:14:48 +0200 |
| commit | 1be37d3b0414e3db47f6fcba6c16286bbae0cb65 (patch) | |
| tree | 59b324da8bac464bce50b894b6c2884540b8072c /drivers/net/can/m_can/m_can.h | |
| parent | df06fd678260bca919ea894281ec54ce10e45ce6 (diff) | |
can: m_can: fix periph RX path: use rx-offload to ensure skbs are sent from softirq context
For peripheral devices, m_can sent skbs directly from a threaded irq
instead of from a softirq context, breaking the tcan4x5x peripheral
driver completely. This patch transitions the driver to use the
rx-offload helper for peripherals, ensuring the skbs are sent from the
correct context, with h/w timestamping to ensure correct ordering.
Link: https://lore.kernel.org/r/20210308102427.63916-4-torin@maxiluxsystems.com
Signed-off-by: Torin Cooper-Bennun <torin@maxiluxsystems.com>
[mkl: m_can_class_register(): update error handling]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can/m_can/m_can.h')
| -rw-r--r-- | drivers/net/can/m_can/m_can.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/can/m_can/m_can.h b/drivers/net/can/m_can/m_can.h index 3fda84cef351..ace071c3e58c 100644 --- a/drivers/net/can/m_can/m_can.h +++ b/drivers/net/can/m_can/m_can.h @@ -8,6 +8,7 @@ #include <linux/can/core.h> #include <linux/can/led.h> +#include <linux/can/rx-offload.h> #include <linux/completion.h> #include <linux/device.h> #include <linux/dma-mapping.h> @@ -71,6 +72,7 @@ struct m_can_ops { struct m_can_classdev { struct can_priv can; + struct can_rx_offload offload; struct napi_struct napi; struct net_device *net; struct device *dev; |