linux-kernel - RE: [PATCH v2 2/7] usb: phy: dsps: adding usbphy driver for am33xx platform

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Date:	Tue, 11 Jun 2013 09:45:23 +0000
From:	"B, Ravi" <ravibabu@...com>
To:	"ABRAHAM, KISHON VIJAY" <kishon@...com>
CC:	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Balbi, Felipe" <balbi@...com>
Subject: RE: [PATCH v2 2/7] usb: phy: dsps: adding usbphy driver for am33xx
 platform

Kishon

> Cc: linux-usb@...r.kernel.org; linux-kernel@...r.kernel.org; Balbi, Felipe
> Subject: Re: [PATCH v2 2/7] usb: phy: dsps: adding usbphy driver for am33xx platform

>> +
>> +	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phy_wkup");
>> +	phy->phy_wkup = ioremap(res->start, resource_size(res));

>devm_ioremap?

The phy_wakeup register is common across two instances of phy, devm_ioremap_resource() will fail to map for twice for same register space.

>> +	if (IS_ERR(phy->phy_wkup))
>> +		return PTR_ERR(phy->phy_wkup);
>> +
>> +	if (np)
>> +		of_property_read_u32(np, "id", &phy->id);

> Is this property documented somewhere?

Not it is not documented.

>> +
>> +	phy->phy.dev		= phy->dev;
>> +	phy->phy.label		= "dsps-usbphy";
>> +	dsps_usbphy_power(&dsps_phy->phy, 0);
>> +	dsps_phy->is_suspended = 1;

> Are you using this "is_suspended" anywhere else?

Currently not used.
--
Ravi B
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