can: grcan: use ofdev->dev when allocating DMA memory
authorDaniel Hellstrom <daniel@gaisler.com>
Fri, 29 Apr 2022 08:46:54 +0000 (10:46 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 12 May 2022 10:30:09 +0000 (12:30 +0200)
commit142305ab00e9406b38f30da0cbb44a7b76d503fe
tree5ab00692aa9d297a19baeac95e290ac4d96e006f
parent30a63e7ef37f581ab36a2916618f757b022ff518
can: grcan: use ofdev->dev when allocating DMA memory

commit 101da4268626b00d16356a6bf284d66e44c46ff9 upstream.

Use the device of the device tree node should be rather than the
device of the struct net_device when allocating DMA buffers.

The driver got away with it on sparc32 until commit 53b7670e5735
("sparc: factor the dma coherent mapping into helper") after which the
driver oopses.

Fixes: 6cec9b07fe6a ("can: grcan: Add device driver for GRCAN and GRHCAN cores")
Link: https://lore.kernel.org/all/20220429084656.29788-2-andreas@gaisler.com
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/can/grcan.c