RE: [PATCH 1/2] ARM: dts: imx6ull-dhcor-maveo-box: Remove unused SPI device

From: Christoph Niedermaier

Date: Thu Oct 22 2026 - 06:59:09 EST


From: Francesco Dolcini <francesco@xxxxxxxxxx>
Sent: Thursday, October 22, 2026 11:26 AM
>
> Hello Christoph,
>
> On Thu, Oct 22, 2026 at 09:12:12AM +0000, Christoph Niedermaier wrote:
>> From: Marek Vasut <marex@xxxxxxxxxxxx>
>> Sent: Wednesday, October 21, 2026 8:56 PM
>>> On 10/21/26 8:37 PM, Francesco Dolcini wrote:
>>>> On Wed, Oct 21, 2026 at 07:19:30PM +0200, Marek Vasut wrote:
>>>>> On 10/21/26 3:44 PM, Christoph Niedermaier wrote:
>
> [...]
>
>>>>>> --- a/arch/arm/boot/dts/nxp/imx/imx6ull-dhcor-maveo-box.dts
>>>>>> +++ b/arch/arm/boot/dts/nxp/imx/imx6ull-dhcor-maveo-box.dts
>>>>>> @@ -60,14 +60,6 @@ &ecspi4 {
>>>>>> pinctrl-0 = <&pinctrl_ecspi4>;
>>>>>> pinctrl-names = "default";
>>>>>> status = "okay";
>>>>>
>>>>> Drop "status = "okay"" too , since this controller will be unused ?
>>>>
>>>> you can instantiate a new device on the SPI bus from userspace. up to
>>>> you, but if I was a user I would appreciate to have it enabled.
>>> Good point -- Christoph, is this the (use)case here , can the user do that?
>>
>> I don't think that's the case, since there isn't currently an SPI device
>> connected to this interface. Nevertheless, I'd be interested to know how
>> to instantiate a new device from user space.
>
> Documentation/spi/instantiating-devices.rst

This is a relatively new document, I haven't seen it yet. Thank you very much.

I'm now leaning toward leaving the interface set to “okay” so that the existing
SPI pins on X10 connector can easily accessed in the future.

@Marek: If you insist, I can also remove the status line.


Regards
Christoph