Hi,
On Fri, Aug 26, 2016 at 02:02:04PM -0500, Steven J. Hill wrote:
> We clear the OF_POPULATED flag for the GPIO controller node on Octeon
> processors. Otherwise, none of the devices hanging on the GPIO lines
> are probed. The 'gpio-leds' driver on OCTEON failed to probe in addition
> to other devices on Cavium 71xx and 78xx development boards.
>
> Fixes: 15cc2ed6dcf9 ("of/irq: Mark initialised interrupt controllers as populated")
> Signed-off-by: Steven J. Hill <steven.hill@xxxxxxxxxx>
> Tested-by: Aaro Koskinen <aaro.koskinen@xxxxxx>
Ralf, I think this patch should be still included in v4.8 final.
Thanks,
A.
> ---
> arch/mips/cavium-octeon/octeon-irq.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c
> index 5a9b87b..c1eb1ff 100644
> --- a/arch/mips/cavium-octeon/octeon-irq.c
> +++ b/arch/mips/cavium-octeon/octeon-irq.c
> @@ -1619,6 +1619,12 @@ static int __init octeon_irq_init_gpio(
> return -ENOMEM;
> }
>
> + /*
> + * Clear the OF_POPULATED flag that was set by of_irq_init()
> + * so that all GPIO devices will be probed.
> + */
> + of_node_clear_flag(gpio_node, OF_POPULATED);
> +
> return 0;
> }
> /*
> --
> 1.9.1
>
>
