[PATCH 3/6] mv643xx.c: Add basic device tree support.
Ian Molton
ian.molton at codethink.co.uk
Tue Jul 31 04:19:52 EDT 2012
On 31/07/12 08:14, Arnaud Patard (Rtp) wrote:
> Ian Molton <ian.molton at codethink.co.uk> writes:
> Hi,
>
> [...]
>
>> @@ -2873,7 +2913,31 @@ static int mv643xx_eth_probe(struct platform_device *pdev)
>> struct resource *res;
>> int err;
>>
>> - pd = pdev->dev.platform_data;
>> + if (pdev->dev.of_node) {
>> + struct device_node *np = NULL;
>> +
>> + /* when all users of this driver use FDT, we can remove this */
>> + pd = kzalloc(sizeof(*pd), GFP_ATOMIC);
>> + if (!pd) {
>> + dev_dbg(&pdev->dev, "Could not allocate platform data\n");
>> + return -ENOMEM;
>> + }
>> +
>> + of_property_read_u32(pdev->dev.of_node,
>> + "port_number", &pd->port_number);
>> + of_property_read_u32(pdev->dev.of_node,
>> + "phy_addr", &pd->phy_addr);
> I guess we need something for tx_csum_limit in the device tree too. It's
> important for kirkwood and dove.
It was my intention to keep the patch as non-invasive as possible - none
of the platforms using D-T at present require this.
Furthermore, git grep shows nothing in mach-kirkwood or mach-dove using
at all...
Are you sure this is required? It can always be added if anything
actually uses it :)
-Ian
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