Re: [PATCHv6 0/4] omapdrm: DSI command mode panel support

[Keerthy]

On 28/05/19 3:09 PM, Tony Lindgren wrote:
> Hi,
>
> * Tomi Valkeinen <tomi.valkeinen@xxxxxx> [190528 09:19]:
> > On 27/05/2019 14:21, Tony Lindgren wrote:
> >
> > > > Looks good to me. For some reason I can't boot 5.2-rc2 (on x15) so I haven't
> > > > been able to test yet. I'll pick the series up in any case, and I'll test it
> > > > when I get the kernel booting.
> > >
> > > Great good to have these merged finally :)
> > >
> > > Hmm I wonder if some x15 models are affected by the SoC variant
> > > changes queued in my fixes branch?
> >
> > This is what I see with earlycon, on linux-omap fixes branch. I think this looks
> > similar to what I saw with dra76 _without_ the fixes.
>
> OK sounds like we need to use some different SoC specific .dtsi file,
> is this maybe x15 rev c?
>
> You can detect which modules fail based on the module base address
> for revision register seen with the following debug patch. Then
> those need to be tagged with status = "disabled" at the module
> level in the SoC specific dtsi file.


Tomi,

My first suspect would be rtc.

diff --git a/arch/arm/boot/dts/am5728.dtsi b/arch/arm/boot/dts/am5728.dtsi
index 82e5427ef6a9..17b1b1b4db92 100644
--- a/arch/arm/boot/dts/am5728.dtsi
+++ b/arch/arm/boot/dts/am5728.dtsi
@@ -31,3 +31,7 @@
 &atl_tm {
        status = "disabled";
 };
+
+&rtctarget {
+       status = "disabled";
+};

Regards,
Keerthy
> Regards,
>
> Tony
>
> 8< --------------
> diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
> --- a/drivers/bus/ti-sysc.c
> +++ b/drivers/bus/ti-sysc.c
> @@ -2069,6 +2069,8 @@ static int sysc_probe(struct platform_device *pdev)
>   	struct sysc *ddata;
>   	int error;
>   
> +	dev_info(&pdev->dev, "probing device\n");
> +
>   	ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
>   	if (!ddata)
>   		return -ENOMEM;