On Mon, Mar 26, 2018 at 02:19:27PM +0300, Tudor Ambarus wrote: > The clock-frequency property is not mandatory for the i2c buses. If it's > not present in device tree, the buses usually assume that is 100kHZ. > There are i2c clients that need to know the clock frequency in order to > compute their wake token. Spare the clients of making (wrong) assumptions > and provide the bus frequency in adapter. > > Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxxxxx> Acked-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxxxxxx> > --- > drivers/i2c/busses/i2c-at91.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c > index bfd1fdf..d3cd84e 100644 > --- a/drivers/i2c/busses/i2c-at91.c > +++ b/drivers/i2c/busses/i2c-at91.c > @@ -1116,6 +1116,7 @@ static int at91_twi_probe(struct platform_device *pdev) > dev->adapter.quirks = &at91_twi_quirks; > dev->adapter.dev.parent = dev->dev; > dev->adapter.nr = pdev->id; > + dev->adapter.bus_freq_hz = bus_clk_rate; > dev->adapter.timeout = AT91_I2C_TIMEOUT; > dev->adapter.dev.of_node = pdev->dev.of_node; > > -- > 2.9.4 >
