On Tuesday 18 July 2017 05:01 PM, Sekhar Nori wrote: > Hi Keerthy, > > On Tuesday 18 July 2017 04:27 PM, Keerthy wrote: >> Add a separate compatible for keystone-k2g soc >> >> Signed-off-by: Keerthy <j-keerthy@xxxxxx> >> --- >> Documentation/devicetree/bindings/gpio/gpio-davinci.txt | 3 ++- >> drivers/gpio/gpio-davinci.c | 1 + >> 2 files changed, 3 insertions(+), 1 deletion(-) >> >> diff --git a/Documentation/devicetree/bindings/gpio/gpio-davinci.txt b/Documentation/devicetree/bindings/gpio/gpio-davinci.txt >> index 5079ba7..1a5c1a2 100644 >> --- a/Documentation/devicetree/bindings/gpio/gpio-davinci.txt >> +++ b/Documentation/devicetree/bindings/gpio/gpio-davinci.txt >> @@ -1,7 +1,8 @@ >> Davinci/Keystone GPIO controller bindings >> >> Required Properties: >> -- compatible: should be "ti,dm6441-gpio", "ti,keystone-gpio" >> +- compatible: should be "ti,dm6441-gpio", "ti,keystone-gpio", >> + "ti,keystone-k2g-gpio" >> >> - reg: Physical base address of the controller and the size of memory mapped >> registers. >> diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c >> index 932f270..a8d8dd9 100644 >> --- a/drivers/gpio/gpio-davinci.c >> +++ b/drivers/gpio/gpio-davinci.c >> @@ -610,6 +610,7 @@ static int davinci_gpio_irq_setup(struct platform_device *pdev) >> static const struct of_device_id davinci_gpio_ids[] = { >> { .compatible = "ti,keystone-gpio", keystone_gpio_get_irq_chip}, >> { .compatible = "ti,dm6441-gpio", davinci_gpio_get_irq_chip}, >> + { .compatible = "ti,keystone-k2g-gpio", keystone_gpio_get_irq_chip}, > > You don't have to add compatible matching to the driver if you don't > need any special handling for K2G ATM. Your dts should have: > > compatible = "ti,keystone-k2g-gpio", "ti,keystone-gpio"; > > this way, the driver continues to probe using "ti,keystone-gpio", and > when you really discover a need to do some special handling for K2G, a > kernel update will do without the need for a DT update. Sure that is better to do as currently i do not see any differences between k2g and other k2 devices. > > Thanks, > Sekhar > -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html