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7 Commits

Author SHA1 Message Date
Torin Cooper-Bennun
1be37d3b04 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>
 2021-03-30 11:14:48 +02:00
Marc Kleine-Budde
ac33ffd3e2 can: m_can: let m_can_class_allocate_dev() allocate driver specific private data 
This patch enhances m_can_class_allocate_dev() to allocate driver specific
private data. The driver's private data struct must contain struct
m_can_classdev as its first member followed by the remaining private data.

Link: https://lore.kernel.org/r/20201212175518.139651-7-mkl@pengutronix.de
Reviewed-by: Sean Nyekjaer <sean@geanix.com>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
 2020-12-14 14:24:14 +01:00
Marc Kleine-Budde
78e19a2926 can: m_can: m_can_config_endisable(): mark as static 
The function m_can_config_endisable() is not used outside of the m_can driver,
so mark it as static.

Link: https://lore.kernel.org/r/20201212175518.139651-5-mkl@pengutronix.de
Reviewed-by: Sean Nyekjaer <sean@geanix.com>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
 2020-12-14 14:24:07 +01:00
Marc Kleine-Budde
3fb5a7cef9 can: m_can: remove not used variable struct m_can_classdev::freq 
This patch removes the unused variable freq from the struct m_can_classdev.

Link: https://lore.kernel.org/r/20201130133713.269256-5-mkl@pengutronix.de
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
 2020-11-30 14:55:35 +01:00
Dan Murphy
a8c22f5b0c can: m_can: m_can_class_free_dev(): introduce new function 
This patch creates a common function that peripherials can call to free the
netdev device when failures occur.

Fixes: f524f829b7 ("can: m_can: Create a m_can platform framework")
Reported-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Link: http://lore.kernel.org/r/20200227183829.21854-2-dmurphy@ti.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
 2020-11-15 18:33:42 +01:00
Dan Murphy
441ac34016 can: m_can: Rename m_can_priv to m_can_classdev 
Rename the common m_can_priv class structure to m_can_classdev as this
is more descriptive.

Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Acked-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
 2019-07-24 10:31:54 +02:00
Dan Murphy
f524f829b7 can: m_can: Create a m_can platform framework 
Create a m_can platform framework that peripheral
devices can register to and use common code and register sets.
The peripheral devices may provide read/write and configuration
support of the IP.

Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Acked-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
 2019-07-24 10:31:54 +02:00