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can: flexcan: mark RX via mailboxes as supported on MCF5441X 

Most flexcan IP cores support 2 RX modes:
- FIFO
- mailbox

The flexcan IP core on the MCF5441X cannot receive CAN RTR messages
via mailboxes. However the mailbox mode is more performant. The commit

| 1c45f5778a ("can: flexcan: add ethtool support to change rx-rtr setting during runtime")

added support to switch from FIFO to mailbox mode on these cores.

After testing the mailbox mode on the MCF5441X by Angelo Dureghello,
this patch marks it (without RTR capability) as supported. Further the
IP core overview table is updated, that RTR reception via mailboxes is
not supported.

Link: https://lore.kernel.org/all/20220121084425.3141218-1-mkl@pengutronix.de
Tested-by: Angelo Dureghello <angelo@kernel-space.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde 2022-01-21 09:22:34 +01:00
parent e59986de5f
commit f04aefd465
2 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/can/flexcan/flexcan-core.c
View File

@ -296,6 +296,7 @@ static_assert(sizeof(struct flexcan_regs) == 0x4 * 18 + 0xfb8);
static const struct flexcan_devtype_data fsl_mcf5441x_devtype_data = {
.quirks = FLEXCAN_QUIRK_BROKEN_PERR_STATE |
FLEXCAN_QUIRK_NR_IRQ_3 | FLEXCAN_QUIRK_NR_MB_16 |
FLEXCAN_QUIRK_SUPPPORT_RX_MAILBOX |
FLEXCAN_QUIRK_SUPPPORT_RX_FIFO,
};

2
drivers/net/can/flexcan/flexcan.h
View File

@ -21,7 +21,7 @@
* Below is some version info we got:
* SOC Version IP-Version Glitch- [TR]WRN_INT IRQ Err Memory err RTR rece- FD Mode MB
* Filter? connected? Passive detection ption in MB Supported?
* MCF5441X FlexCAN2 ? no yes no no yes no 16
* MCF5441X FlexCAN2 ? no yes no no no no 16
* MX25 FlexCAN2 03.00.00.00 no no no no no no 64
* MX28 FlexCAN2 03.00.04.00 yes yes no no no no 64
* MX35 FlexCAN2 03.00.00.00 no no no no no no 64