Hi Johan, On 12/13/19 12:17 PM, Johan Hovold wrote: > On Fri, Dec 13, 2019 at 11:55:21AM +0100, Guillaume La Roque wrote: >> Actually IRQ can be found from GPIO but all platforms don't support >> gpiod_to_irq, it's the case on amlogic chip. >> so to have possibility to use interrupt mode we need to add interrupts >> field in node and support it in driver. > "node" is a bit vague, please refer to devicetree here and in the patch > summary. > i will >> Signed-off-by: Guillaume La Roque <glaroque@xxxxxxxxxxxx> >> --- >> drivers/bluetooth/hci_bcm.c | 2 ++ >> 1 file changed, 2 insertions(+) >> >> diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c >> index f8f5c593a05c..aa194f8d703e 100644 >> --- a/drivers/bluetooth/hci_bcm.c >> +++ b/drivers/bluetooth/hci_bcm.c >> @@ -13,6 +13,7 @@ >> #include <linux/module.h> >> #include <linux/acpi.h> >> #include <linux/of.h> >> +#include <linux/of_irq.h> >> #include <linux/property.h> >> #include <linux/platform_data/x86/apple.h> >> #include <linux/platform_device.h> >> @@ -1421,6 +1422,7 @@ static int bcm_serdev_probe(struct serdev_device *serdev) >> #endif >> bcmdev->serdev_hu.serdev = serdev; >> serdev_device_set_drvdata(serdev, bcmdev); >> + bcmdev->irq = of_irq_get(bcmdev->dev->of_node, 0); > And this clearly makes no sense for acpi, so you'd need to add it to > bcm_of_probe(). > > Shouldn't you be used using of_irq_get_byname()? i can use it if you prefer but no other interrupt need to be defined > > And since you're extending the binding, I think you need a preparatory > patch documenting this in: > > Documentation/devicetree/bindings/net/broadcom-bluetooth.txt sorry i forgot this, i will do >> /* Initialize routing field to an unused value */ >> bcmdev->pcm_int_params[0] = 0xff; > Johan thanks Guillaume