hi,
On Saturday 13 December 2014 05:49 AM, Doug Anderson wrote:
> Yunzhi,
>
> On Fri, Dec 12, 2014 at 7:07 AM, Yunzhi Li <lyz@xxxxxxxxxxxxxx> wrote:
>> This patch to add a generic PHY driver for ROCKCHIP usb PHYs,
>> currently this driver can support RK3288. The RK3288 SoC have
>> three independent USB PHY IPs which are all configured through a
>> set of registers located in the GRF (general register files)
>> module.
>>
>> Signed-off-by: Yunzhi Li <lyz@xxxxxxxxxxxxxx>
>>
>> ---
>>
>> Changes in v7:
>> - Accept Kishon's comments to use phandle args to find a phy
>> struct directly and get rid of using a custom of_xlate
>> function.
>
> I'm going to assume you didn't test this version, since it doesn't
> work for me. At suspend time power is high and my printouts in the
> powerup/powerdown code aren't called...
>
>
>> + for_each_available_child_of_node(dev->of_node, child) {
>> + rk_phy = devm_kzalloc(dev, sizeof(*rk_phy), GFP_KERNEL);
>> + if (!rk_phy)
>> + return -ENOMEM;
>> +
>> + if (of_property_read_u32(child, "reg", ®_offset)) {
>> + dev_err(dev, "missing reg property in node %s\n",
>> + child->name);
>> + return -EINVAL;
>> + }
>> +
>> + rk_phy->reg_offset = reg_offset;
>> + rk_phy->reg_base = grf;
>> +
>> + rk_phy->clk = of_clk_get_by_name(child, "phyclk");
>> + if (IS_ERR(rk_phy->clk))
>> + rk_phy->clk = NULL;
>> +
>> + rk_phy->phy = devm_phy_create(dev, child, &ops);
>> + if (IS_ERR(rk_phy->phy)) {
>> + dev_err(dev, "failed to create PHY\n");
>> + return PTR_ERR(rk_phy->phy);
>> + }
>> + phy_set_drvdata(rk_phy->phy, rk_phy);
>> + }
>> +
>> + phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
>
> I think your bug is here. I think you now need to register 3 phy
> providers, not just one.
No there should be only one phy provider. It means the bug is elsewhere.
Thanks
Kishon
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