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[ Upstream commit a37b7245e831a641df360ca41db6a71c023d3746 ]
During bus off, the error count is greater than 255 and can not fit in
a u8.
Fixes: fd1159318e55 ("can: add Renesas R-Car CAN driver")
Link: https://lore.kernel.org/all/20220719143550.3681-3-mailhol.vincent@wanadoo.fr
Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit f7c05c3987dcfde9a4e8c2d533db013fabebca0d upstream.
If the driver was not opened, rcar_can_suspend() should not call
clk_disable() because the clock was not enabled.
Fixes: fd1159318e55 ("can: add Renesas R-Car CAN driver")
Link: https://lore.kernel.org/all/20210924075556.223685-1-yoshihiro.shimoda.uh@renesas.com
Cc: stable@vger.kernel.org
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Ayumi Nakamichi <ayumi.nakamichi.kf@renesas.com>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
Tested-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 68c8d209cd4337da4fa04c672f0b62bb735969bc ]
Assigning 2 to "renesas,can-clock-select" tricks the driver into
registering the CAN interface, even though we don't want that.
This patch improves one of the checks to prevent that from happening.
Fixes: 862e2b6af9413b43 ("can: rcar_can: support all input clocks")
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: Chris Paterson <Chris.Paterson2@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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During probe, the rcar_can driver prints:
rcar_can e6e80000.can: device registered (regs @ e08bc000, IRQ76)
The "regs" value is a virtual address, exposing internal information,
hence stop printing it. The (useful) physical address is already
printed as part of the device name.
Fixes: fd1159318e55e901 ("can: add Renesas R-Car CAN driver")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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napi_complete_done() allows to opt-in for gro_flush_timeout,
added back in linux-3.19, commit 3b47d30396ba
("net: gro: add a per device gro flush timer")
This allows for more efficient GRO aggregation without
sacrifying latencies.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch clubs the Renesas controller drivers in one rcar dir.
Signed-off-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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