Hi Marc, > -----Original Message----- > From: Marc Kleine-Budde [mailto:mkl@xxxxxxxxxxxxxx] > Sent: Monday, July 30, 2018 8:07 PM > To: Pankaj Bansal <pankaj.bansal@xxxxxxx>; linux-can@xxxxxxxxxxxxxxx > Subject: Re: [PATCH 4/6] net: can: flexcan: Add provision for variable > payload size > > On 07/30/2018 06:07 PM, Pankaj Bansal wrote: > > Till now the flexcan module supported 8 byte payload size as per CAN > > 2.0 specifications. > > But now upcoming flexcan module in NXP LX2160A SOC supports CAN FD > > protocol too.The Message buffers need to be configured to have payload > > size greater than 8 bytes (if flexcan module supports it) > > > > Therefore, added provision in the driver for payload size to be variable. > > BUT, limit the only possible payload value to be 8, because the CAN FD > > changes are not in place yet. > > What's the size of a CAN-FD mailbox? Is it fixed or configurable at runtime? Flexible mailboxes configurable to store 0 to 8, 16, 32 or 64 bytes data length > > Marc > > -- > Pengutronix e.K. | Marc Kleine-Budde | > Industrial Linux Solutions | Phone: +49-231-2826-924 | > Vertretung West/Dortmund | Fax: +49-5121-206917-5555 | > Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de | ��.n��������+%������w��{.n�����{����* jg��� �����ݢj����G���� ���j:+v���w�m������w�������h�����٥
