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Re: [PATCH v2 2/2] pci: host: Add Broadcom STB PCIE RC controller

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  Re: [PATCH v2 2/2] pci: host: Add Broadcom STB PCIE RC controller Florian Fainelli <f.fainelli@gmail.com> - 2016-05-17 04:00 +0200

#1402000 — Re: [PATCH v2 2/2] pci: host: Add Broadcom STB PCIE RC controller

On 05/11/2016 07:47 AM, Bharat Kumar Gogada wrote:

[snip]

>> +	/* Get the value for the log2 of the scb sizes. Subtract 15 from
>> +	 * each because the target register field has 0==disabled and 1==6KB.
>> +	 */
>> +	log2_scb_sizes = of_get_property(dn, "brcm,log2-scb-sizes", &rlen);
>> +	if (log2_scb_sizes) {
>> +		for (i = 0; i < rlen / sizeof(u32); i++) {
>> +			pcie->scb_size_vals[i]
>> +				= (int)of_read_number(log2_scb_sizes + i, 1)
>> +					- 15;
>> +			pcie->num_memc++;
>> +		}
>> +	}
> In your device tree documentation this is required property, what if this property 
> is missing ?

If you look at the driver, you will see that it assumes a 1GB SCB window
size if this property is absent.

PS: Do you mind trimming your replies in the future just to quote the
relevant part? Pretty much like I just did, this greatly improves the
ability to jump right to where the comments are. Thanks
-- 
Florian

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