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can: mcp251xfd: mcp251xfd_chip_sleep(): introduce function to bring chip into sleep mode

Browse source 
This patch adds a new function to bring the chip into sleep mode, and
replaces several occurrences of open coded variants.

Link: https://lore.kernel.org/all/20220207131047.282110-5-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde 2020-10-23 08:41:25 +02:00
parent 72362dcdf6
commit 1ba3690fa2
1 changed files with 13 additions and 8 deletions
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21
drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c
View file

@ -289,6 +289,11 @@ static int mcp251xfd_chip_clock_enable(const struct mcp251xfd_priv *priv)
return err;
}
static inline int mcp251xfd_chip_sleep(const struct mcp251xfd_priv *priv)
{
return mcp251xfd_chip_set_mode(priv, MCP251XFD_REG_CON_MODE_SLEEP);
}
static int mcp251xfd_chip_softreset_do(const struct mcp251xfd_priv *priv)
{
const __be16 cmd = mcp251xfd_cmd_reset();
@ -635,7 +640,7 @@ static int mcp251xfd_chip_stop(struct mcp251xfd_priv *priv,
mcp251xfd_chip_interrupts_disable(priv);
mcp251xfd_chip_rx_int_disable(priv);
return mcp251xfd_chip_set_mode(priv, MCP251XFD_REG_CON_MODE_SLEEP);
return mcp251xfd_chip_sleep(priv);
}
static int mcp251xfd_chip_start(struct mcp251xfd_priv *priv)
@ -1719,19 +1724,19 @@ static int mcp251xfd_register(struct mcp251xfd_priv *priv)
if (err == -ENODEV)
goto out_runtime_disable;
if (err)
goto out_chip_set_mode_sleep;
goto out_chip_sleep;
err = mcp251xfd_register_chip_detect(priv);
if (err)
goto out_chip_set_mode_sleep;
goto out_chip_sleep;
err = mcp251xfd_register_check_rx_int(priv);
if (err)
goto out_chip_set_mode_sleep;
goto out_chip_sleep;
err = register_candev(ndev);
if (err)
goto out_chip_set_mode_sleep;
goto out_chip_sleep;
err = mcp251xfd_register_done(priv);
if (err)
@ -1741,7 +1746,7 @@ static int mcp251xfd_register(struct mcp251xfd_priv *priv)
* disable the clocks and vdd. If CONFIG_PM is not enabled,
* the clocks and vdd will stay powered.
*/
err = mcp251xfd_chip_set_mode(priv, MCP251XFD_REG_CON_MODE_SLEEP);
err = mcp251xfd_chip_sleep(priv);
if (err)
goto out_unregister_candev;
@ -1751,8 +1756,8 @@ static int mcp251xfd_register(struct mcp251xfd_priv *priv)
out_unregister_candev:
unregister_candev(ndev);
out_chip_set_mode_sleep:
mcp251xfd_chip_set_mode(priv, MCP251XFD_REG_CON_MODE_SLEEP);
out_chip_sleep:
mcp251xfd_chip_sleep(priv);
out_runtime_disable:
pm_runtime_disable(ndev->dev.parent);
out_runtime_put_noidle: