[PATCH 6/7] can: mcp251x: define helper functions mcp251x_is_2510, mcp251x_is_2515
From: Marc Kleine-Budde <hidden>
Date: 2010-10-15 10:49:21
Subsystem:
can network drivers, the rest · Maintainers:
Marc Kleine-Budde, Vincent Mailhol, Linus Torvalds
Signed-off-by: Marc Kleine-Budde <redacted> --- drivers/net/can/mcp251x.c | 16 ++++++++++++---- 1 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/net/can/mcp251x.c b/drivers/net/can/mcp251x.c
index f5e2edd..28281f9 100644
--- a/drivers/net/can/mcp251x.c
+++ b/drivers/net/can/mcp251x.c@@ -252,6 +252,16 @@ struct mcp251x_priv { int restart_tx; }; +#define MCP251X_IS(_model) \ +static inline int mcp251x_is_##_model(struct spi_device *spi) \ +{ \ + struct mcp251x_platform_data *pdata = spi->dev.platform_data; \ + return pdata->model == CAN_MCP251X_MCP##_model; \ +} + +MCP251X_IS(2510); +MCP251X_IS(2515); + static void mcp251x_clean(struct net_device *net) { struct mcp251x_priv *priv = netdev_priv(net);
@@ -362,10 +372,9 @@ static void mcp251x_write_bits(struct spi_device *spi, u8 reg, static void mcp251x_hw_tx_frame(struct spi_device *spi, u8 *buf, int len, int tx_buf_idx) { - struct mcp251x_platform_data *pdata = spi->dev.platform_data; struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev); - if (pdata->model == CAN_MCP251X_MCP2510) { + if (mcp251x_is_2510(spi)) { int i; for (i = 1; i < TXBDAT_OFF + len; i++)
@@ -408,9 +417,8 @@ static void mcp251x_hw_rx_frame(struct spi_device *spi, u8 *buf, int buf_idx) { struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev); - struct mcp251x_platform_data *pdata = spi->dev.platform_data; - if (pdata->model == CAN_MCP251X_MCP2510) { + if (mcp251x_is_2510(spi)) { int i, len; for (i = 1; i < RXBDAT_OFF; i++)
--
1.7.0.4