diff options
| author | Marc Kleine-Budde <mkl@pengutronix.de> | 2021-10-23 00:27:13 +0200 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2022-01-08 20:17:42 +0100 |
| commit | 3044a4f271d278858321675d367b37bcafca186c (patch) | |
| tree | ea1071796c9622ef568b12058de6b308032b918b /drivers/net/can | |
| parent | 55bc37c85587d0c53a666a685a49752e28a31396 (diff) | |
| download | linux-3044a4f271d278858321675d367b37bcafca186c.tar.bz2 | |
can: mcp251xfd: introduce and make use of mcp251xfd_is_fd_mode()
This patch replaces the open coded check, if the chip's FIFOs are
configured for CAN-FD mode, by the newly introduced function
mcp251xfd_is_fd_mode().
Link: https://lore.kernel.org/all/20220105154300.1258636-14-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can')
| -rw-r--r-- | drivers/net/can/spi/mcp251xfd/mcp251xfd-chip-fifo.c | 4 | ||||
| -rw-r--r-- | drivers/net/can/spi/mcp251xfd/mcp251xfd-ring.c | 3 | ||||
| -rw-r--r-- | drivers/net/can/spi/mcp251xfd/mcp251xfd.h | 6 |
3 files changed, 9 insertions, 4 deletions
diff --git a/drivers/net/can/spi/mcp251xfd/mcp251xfd-chip-fifo.c b/drivers/net/can/spi/mcp251xfd/mcp251xfd-chip-fifo.c index ce94dd744a93..2f9a623d381d 100644 --- a/drivers/net/can/spi/mcp251xfd/mcp251xfd-chip-fifo.c +++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd-chip-fifo.c @@ -34,7 +34,7 @@ mcp251xfd_chip_rx_fifo_init_one(const struct mcp251xfd_priv *priv, MCP251XFD_REG_FIFOCON_RXOVIE | MCP251XFD_REG_FIFOCON_TFNRFNIE; - if (priv->can.ctrlmode & (CAN_CTRLMODE_LISTENONLY | CAN_CTRLMODE_FD)) + if (mcp251xfd_is_fd_mode(priv)) fifo_con |= FIELD_PREP(MCP251XFD_REG_FIFOCON_PLSIZE_MASK, MCP251XFD_REG_FIFOCON_PLSIZE_64); else @@ -84,7 +84,7 @@ int mcp251xfd_chip_fifo_init(const struct mcp251xfd_priv *priv) MCP251XFD_REG_FIFOCON_TXEN | MCP251XFD_REG_FIFOCON_TXATIE; - if (priv->can.ctrlmode & (CAN_CTRLMODE_LISTENONLY | CAN_CTRLMODE_FD)) + if (mcp251xfd_is_fd_mode(priv)) val |= FIELD_PREP(MCP251XFD_REG_FIFOCON_PLSIZE_MASK, MCP251XFD_REG_FIFOCON_PLSIZE_64); else diff --git a/drivers/net/can/spi/mcp251xfd/mcp251xfd-ring.c b/drivers/net/can/spi/mcp251xfd/mcp251xfd-ring.c index ffb3691c4ba7..92f9e9b01289 100644 --- a/drivers/net/can/spi/mcp251xfd/mcp251xfd-ring.c +++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd-ring.c @@ -209,8 +209,7 @@ int mcp251xfd_ring_alloc(struct mcp251xfd_priv *priv) int ram_free, i; tef_obj_size = sizeof(struct mcp251xfd_hw_tef_obj); - /* listen-only mode works like FD mode */ - if (priv->can.ctrlmode & (CAN_CTRLMODE_LISTENONLY | CAN_CTRLMODE_FD)) { + if (mcp251xfd_is_fd_mode(priv)) { tx_obj_num = MCP251XFD_TX_OBJ_NUM_CANFD; tx_obj_size = sizeof(struct mcp251xfd_hw_tx_obj_canfd); rx_obj_size = sizeof(struct mcp251xfd_hw_rx_obj_canfd); diff --git a/drivers/net/can/spi/mcp251xfd/mcp251xfd.h b/drivers/net/can/spi/mcp251xfd/mcp251xfd.h index 597786a85621..f551c900803e 100644 --- a/drivers/net/can/spi/mcp251xfd/mcp251xfd.h +++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd.h @@ -626,6 +626,12 @@ MCP251XFD_IS(2517); MCP251XFD_IS(2518); MCP251XFD_IS(251X); +static inline bool mcp251xfd_is_fd_mode(const struct mcp251xfd_priv *priv) +{ + /* listen-only mode works like FD mode */ + return priv->can.ctrlmode & (CAN_CTRLMODE_LISTENONLY | CAN_CTRLMODE_FD); +} + static inline u8 mcp251xfd_first_byte_set(u32 mask) { return (mask & 0x0000ffff) ? |