linux-kernel - Re: [PATCH v3 3/3] spi: xilinx: use device property accessors.

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Message-Id: <69F83558-4675-4FC2-8656-BC6E3481AD65@nexthop.ai>
Date: Mon, 19 Jan 2026 08:47:17 -0800
From: Abdurrahman Hussain <abdurrahman@...thop.ai>
To: Mark Brown <broonie@...nel.org>
Cc: Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Michal Simek <michal.simek@....com>,
 linux-spi@...r.kernel.org,
 devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/3] spi: xilinx: use device property accessors.

> On Jan 19, 2026, at 8:32 AM, Mark Brown <broonie@...nel.org> wrote:
> 
> On Mon, Jan 19, 2026 at 07:06:24AM +0000, Abdurrahman Hussain via B4 Relay wrote:
> 
>> -		of_property_read_u32(pdev->dev.of_node, "xlnx,num-ss-bits",
>> -					  &num_cs);
>> -		ret = of_property_read_u32(pdev->dev.of_node,
>> -					   "xlnx,num-transfer-bits",
>> -					   &bits_per_word);
>> +		device_property_read_u32(&pdev->dev, "xlnx,num-ss-bits",
>> +					 &num_cs);
>> +		ret = device_property_read_u32(&pdev->dev,
>> +					       "xlnx,num-transfer-bits",
>> +					       &bits_per_word);
> 
> Are these bindings appropraite for ACPI systems?

Yes, the Xilinx IP blocks are memory mapped and work exactly the same on ACPI as they do on DT.