leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

can: mcp251xfd: mcp251xfd_chip_timestamp_init(): factor out into separate function

Browse Source 
This patch factors out the timestamp initialization from the clock
initialization.

This is a preparation patch for the PLL support, where clock and
timestamp init must be done separately.

Link: https://lore.kernel.org/all/20220207131047.282110-11-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde 2020-10-16 18:02:15 +02:00
parent 01a80d688a
commit 14193ea2bf
1 changed files with 9 additions and 0 deletions

9
drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c
View File

@ -421,6 +421,11 @@ static int mcp251xfd_chip_clock_init(const struct mcp251xfd_priv *priv)
if (err)
return err;
return 0;
}
static int mcp251xfd_chip_timestamp_init(const struct mcp251xfd_priv *priv)
{
/* Set Time Base Counter Prescaler to 1.
*
* This means an overflow of the 32 bit Time Base Counter
@ -683,6 +688,10 @@ static int mcp251xfd_chip_start(struct mcp251xfd_priv *priv)
if (err)
goto out_chip_stop;
err = mcp251xfd_chip_timestamp_init(priv);
if (err)
goto out_chip_stop;
err = mcp251xfd_set_bittiming(priv);
if (err)
goto out_chip_stop;