> > Okay, so each child device may allocate a buffer like this during probe(): > > priv->xmit_buf = devm_kcalloc(dev, MAX_PACKET_SZ, sizeof(unsigned char), > > GFP_KERNEL), right? > > basically yes, probably devm_kzalloc() or embed it into the priv struct > directly with ____cacheline_aligned: > > | https://elixir.bootlin.com/linux/v6.11.5/source/drivers/net/can/spi/mcp251xfd/mcp251xfd.h#L498 > > The size of the driver's RX and TX buffers depend on what they want to > send and expect to receive. The next step would be to create structs the > describe the RX and TX buffers for each driver. If you have a common > header between each driver, create that first. > > regards, > Marc > Understood, I'll make these modifications in the next patch. Thanks, Ming
