diff options
Diffstat (limited to 'drivers/net/can/spi/mcp25xxfd/mcp25xxfd_clock.c')
| -rw-r--r-- | drivers/net/can/spi/mcp25xxfd/mcp25xxfd_clock.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/can/spi/mcp25xxfd/mcp25xxfd_clock.c b/drivers/net/can/spi/mcp25xxfd/mcp25xxfd_clock.c index e33def233630..32b5888df88e 100644 --- a/drivers/net/can/spi/mcp25xxfd/mcp25xxfd_clock.c +++ b/drivers/net/can/spi/mcp25xxfd/mcp25xxfd_clock.c @@ -244,6 +244,10 @@ int mcp25xxfd_clock_stop(struct mcp25xxfd_priv *priv, int requestor_mask) { int ret; + /* keep the clock on if explicitely configured */ + if (priv->config.clock_allways_on) + return 0; + /* without a clock there is nothing we can do... */ if (IS_ERR(priv->clk)) return PTR_ERR(priv->clk); @@ -366,10 +370,12 @@ static int mcp25xxfd_clock_of_parse(struct mcp25xxfd_priv *priv) u32 val; int ret; - priv->config.clock_div2 = false; priv->config.clock_div2 = of_property_read_bool(np, "microchip,clock-div2"); + priv->config.clock_allways_on = + of_property_read_bool(np, "microchip,clock-allways-on"); + priv->config.clock_odiv = 10; ret = of_property_read_u32_index(np, "microchip,clock-out-div", 0, &val); @@ -408,6 +414,7 @@ int mcp25xxfd_clock_init(struct mcp25xxfd_priv *priv) mutex_init(&priv->clk_user_lock); priv->config.clock_div2 = false; + priv->config.clock_allways_on = false; priv->config.clock_odiv = 10; ret = mcp25xxfd_clock_of_parse(priv); |