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can: mcp251x: define helper functions mcp251x_is_2510, mcp251x_is_2515

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Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
This commit is contained in:
Marc Kleine-Budde 2010-09-23 21:34:28 +02:00
parent f1f8c6cbe6
commit beab675cb4
1 changed files with 12 additions and 2 deletions
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14
drivers/net/can/mcp251x.c
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@ -258,6 +258,16 @@ struct mcp251x_priv {
int restart_tx;
};
#define MCP251X_IS(_model) \
static inline int mcp251x_is_##_model(struct spi_device *spi) \
{ \
struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev); \
return priv->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);
@ -370,7 +380,7 @@ static void mcp251x_hw_tx_frame(struct spi_device *spi, u8 *buf,
{
struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev);
if (priv->model == CAN_MCP251X_MCP2510) {
if (mcp251x_is_2510(spi)) {
int i;
for (i = 1; i < TXBDAT_OFF + len; i++)
@ -414,7 +424,7 @@ static void mcp251x_hw_rx_frame(struct spi_device *spi, u8 *buf,
{
struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev);
if (priv->model == CAN_MCP251X_MCP2510) {
if (mcp251x_is_2510(spi)) {
int i, len;
for (i = 1; i < RXBDAT_OFF; i++)